WEBVTT - TechStuff Goes To Disneyland (Not Really)

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<v Speaker 1>Welcome to Text Time, a production from I Heart Radio.

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<v Speaker 1>Hey there, and welcome to tech Stuff. I'm your host,

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<v Speaker 1>Jonathan Strickland. I'm an executive producer with I Heart Radio

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<v Speaker 1>and I love all things tech. And those of you

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<v Speaker 1>who know a little bit about me know that I'm

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<v Speaker 1>a big fan of Disney theme parks and theme parks

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<v Speaker 1>in general. I'm a roller coaster fiend for example. Now,

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<v Speaker 1>don't get me wrong, I am not claiming to be

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<v Speaker 1>the biggest fan of Disney theme parks on our network

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<v Speaker 1>because I sometimes think that Holly Fry actually lives at

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<v Speaker 1>a Disney theme park. I mean I once went to

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<v Speaker 1>Epcot down at Walt Disney World and I ran into Holly.

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<v Speaker 1>And I didn't even know she was in Florida at

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<v Speaker 1>the time. I mean I was there completely independently and

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<v Speaker 1>just ran into her in the World Showcase. So while

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<v Speaker 1>I won't take first prize for the biggest theme park

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<v Speaker 1>fan over at I Heeart Radio, I think I can

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<v Speaker 1>at least hold my own anyway. My wife and I

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<v Speaker 1>had plans to visit the Disney parks this year, but

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<v Speaker 1>we've decided to hold off due to COVID nineteen. Now

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<v Speaker 1>the parks have reopened, as I'm sure some of you know,

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<v Speaker 1>and there are a lot of measures in place that

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<v Speaker 1>are intended to keep visitors and cast safe. Cast, by

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<v Speaker 1>the way, is the word that Disney uses for employees,

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<v Speaker 1>as the company treats the theme parks like they are stages,

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<v Speaker 1>and every employee is in part a performer on that stage. Now,

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<v Speaker 1>all that being said, personally, I worry about opening something

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<v Speaker 1>as big as a theme park during a pandemic, even

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<v Speaker 1>with limits on how many people can come into a

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<v Speaker 1>park per day and mask man dates and temperature checks

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<v Speaker 1>and everything else. I particular really feel a lot of

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<v Speaker 1>compassion for the cast, who run a higher risk of

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<v Speaker 1>catching something because they could potentially encounter thousands of people

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<v Speaker 1>every day that they are at work. So my wife

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<v Speaker 1>and I have put our Disney plans on hold for

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<v Speaker 1>the time being, but I figured I could take the

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<v Speaker 1>opportunity to talk a bit about how some of the

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<v Speaker 1>ride systems work. So my wife and I have put

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<v Speaker 1>our Disney plans on hold, but I figured I could

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<v Speaker 1>take the opportunity to talk a bit about how some

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<v Speaker 1>of the ride systems work. Now, you guys might know

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<v Speaker 1>that I've done a few episodes kind of in this vein.

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<v Speaker 1>In a classic episode of Tech Stuff, Chris Pallette and

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<v Speaker 1>I broke down a special effect called Pepper's Ghost and

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<v Speaker 1>explained how Disney used that in the Haunted Mansion. So

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<v Speaker 1>there will be some overlap here, and I'll talk about

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<v Speaker 1>Pepper's Ghost again just briefly, but mostly I want to

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<v Speaker 1>talk about some interesting ride systems associated with Disney, though

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<v Speaker 1>some of them originated elsewhere. Now, when Disneyland opened on

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<v Speaker 1>July seven teenth, nineteen fifty five, the list of attractions

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<v Speaker 1>available to ride was rather modest. You had snow White

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<v Speaker 1>Scary Adventures. You had Peter Pan's Flight, Mr. Toad's Wild Ride,

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<v Speaker 1>Storybook Land, Canal Boats, the Jungle Cruise, the Mad Tea Party, Autopia,

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<v Speaker 1>and the King Arthur Carousel. Plus you had the river

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<v Speaker 1>Boat and the Railroad. A little later in n the

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<v Speaker 1>park would also introduce the Casey Junior Circus Train and

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<v Speaker 1>Dumbo the Flying Elephant. To kind of set the stage,

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<v Speaker 1>let's talk about Peter Pan's Flight. It's a type of

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<v Speaker 1>dark ride, and a dark ride takes place indoors. Passengers

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<v Speaker 1>board a vehicle that moves through a series of scenes

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<v Speaker 1>or tableau. Typically, these tell us story or follow a

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<v Speaker 1>narrative arc. That's not always the case. Sometimes it's just

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<v Speaker 1>a series of thematically related scenes. Like there are a

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<v Speaker 1>lot of horror house seamed rides that you'll find at

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<v Speaker 1>carnivals and amusement parks that don't really tell a story.

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<v Speaker 1>They just have seen after scene of stuff jumping out

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<v Speaker 1>at you. Lighting and sound effects create a certain experience,

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<v Speaker 1>and they grew out of stuff that were called mill rides.

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<v Speaker 1>Old mill rides. Now, this is a ride in which

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<v Speaker 1>boats would travel down a guide way through an indoor space,

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<v Speaker 1>typically one that is pretty darn dark. And uh, they

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<v Speaker 1>didn't necessarily have any kind of operator on the boat.

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<v Speaker 1>They didn't need one because the pathway was set in

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<v Speaker 1>a single direction. There wasn't really any way to get

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<v Speaker 1>off track. This is where we got the old Tunnel

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<v Speaker 1>of Love rides famous in cartoons, and I don't think

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<v Speaker 1>I've ever actually seen one, But in these rides, amorous

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<v Speaker 1>couples would get on a self guided boat in the dark,

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<v Speaker 1>and it was so that they could commence to necking,

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<v Speaker 1>you know, or whatever. I never got to ride on

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<v Speaker 1>one with somebody else, and I assume there's a very

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<v Speaker 1>special kind of pity in the eyes of a ride

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<v Speaker 1>operator who would see me getting on a Tunnel of

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<v Speaker 1>Love ride by myself. But the idea was that these

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<v Speaker 1>rides created a socially acceptable reason for couples to be

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<v Speaker 1>close and affectionate with one another, because the general perspective

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<v Speaker 1>on affection was that should never ever be done in

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<v Speaker 1>public back when these rides became popular. But the genius

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<v Speaker 1>is credited for taking that concept and then evolving it

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<v Speaker 1>into the dark ride format were the owners of an

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<v Speaker 1>amusement park in New Jersey. The park was called the

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<v Speaker 1>Tumbling Damn Park d A M. Not that Tumbling Damn Park,

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<v Speaker 1>and the owners were Marvin Ripfer and Leon Cassidy in

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<v Speaker 1>n They wanted to build an old mill style ride,

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<v Speaker 1>but they found that if they were to construct didn't

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<v Speaker 1>maintain it, it would be prohibitively expensive. And that makes sense.

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<v Speaker 1>I mean, if your ride involves hundreds of thousands of

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<v Speaker 1>gallons of water, keeping everything ship shape as it were,

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<v Speaker 1>is going to really cost you, not just to make

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<v Speaker 1>sure it's all watertight, but you know, to maintain the

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<v Speaker 1>ride and the boats and make sure that you're not

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<v Speaker 1>getting mold or wrought and all that kind of stuff.

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<v Speaker 1>It's expensive, so instead they commissioned an indoor ride with

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<v Speaker 1>cars kind of like bumper cars, and they would travel

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<v Speaker 1>down a track. The riders would not have control of

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<v Speaker 1>the cars, so you wouldn't be able to steer it.

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<v Speaker 1>The track itself was electrified, kind of like the electric

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<v Speaker 1>rail on a subway. The cars had contacts that touched

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<v Speaker 1>this electrified rail, and that way the track could provide

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<v Speaker 1>power to the cars, which had electric motors on them

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<v Speaker 1>to power the wheels. It was all pretty simple stuff,

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<v Speaker 1>but it was innovative. Legend has it that one rider

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<v Speaker 1>said after being on this attraction that the ride was

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<v Speaker 1>really herky jerky, and he felt like a pretzel afterward,

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<v Speaker 1>and so the ride became known as the Pretzel Ride.

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<v Speaker 1>To spice things up, the owners added some effects in

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<v Speaker 1>the ride, so when the car would hit specific points

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<v Speaker 1>along the track, it would trip a switch that would

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<v Speaker 1>provide power to whatever the effect was, which could be

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<v Speaker 1>a light going off or you know, powering an actuator

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<v Speaker 1>so that some sort of critter pops up from behind

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<v Speaker 1>a barrier, typically a skeleton that was kind of like

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<v Speaker 1>the go to And thus the basics of the dark

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<v Speaker 1>Ride were born. Now over the next couple of decades,

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<v Speaker 1>dark rides popped up in amusement parks all around the world,

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<v Speaker 1>mostly in the United States, most of them following that

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<v Speaker 1>sort of spooky horror theme and having very little coherent

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<v Speaker 1>story to them. But Disney would change that dramatically, and

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<v Speaker 1>that brings us back to the dark rides of Disneyland.

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<v Speaker 1>There were several of those that I mentioned. Snow White

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<v Speaker 1>was one Mr Toad Peter Pan, and if you've ever

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<v Speaker 1>been on Peter Pan's Flight at while disney World in Orlando,

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<v Speaker 1>you know that ride is on a system that is

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<v Speaker 1>in continuous motion, and I'll be covering that kind of

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<v Speaker 1>system later on this episode. But the Disneyland version was

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<v Speaker 1>the type of ride that actually comes to a complete

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<v Speaker 1>stop at the end of a ride cycle, and that

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<v Speaker 1>allows the people who are writing it to get off

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<v Speaker 1>and new passengers to get onto the ride. Right. Operators

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<v Speaker 1>would actually control this. They would you know, hit a

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<v Speaker 1>button to send a vehicle on its way, and otherwise

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<v Speaker 1>they would hold it until people were safely, you know,

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<v Speaker 1>secured inside the vehicle. One of the cool things about

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<v Speaker 1>the Peter Pan ride was that, unlike the others on

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<v Speaker 1>this list, it's actually a suspended track ride, so the

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<v Speaker 1>track is suspended above the passengers. The vehicle isn't sitting

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<v Speaker 1>on a track, it's being it's hanging from a track.

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<v Speaker 1>So the rider's cars, those are pirates shipped themed in

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<v Speaker 1>the Peter Pan ride, are hanging beneath this suspended track,

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<v Speaker 1>and that allowed the rides designers or imagineers as Disney

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<v Speaker 1>calls them, imaginative engineers to create sections where the car

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<v Speaker 1>appears to soar over scenes like the City of London

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<v Speaker 1>or never never Land. The original Disneyland attraction had nine

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<v Speaker 1>of these ships on the track during a day, and

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<v Speaker 1>I had a tenth one in reserve in case something

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<v Speaker 1>went wrong. Each of those ships was made of fiberglass

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<v Speaker 1>and weighed about two fifty pounds or around a d

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<v Speaker 1>and they were able to carry you know, two or

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<v Speaker 1>maybe three people if the people were kind of smallish,

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<v Speaker 1>and a tenth vehicle, like I said, would stand by

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<v Speaker 1>in case one needed to be removed from the ride

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<v Speaker 1>at any given point. There was a company called Cleveland

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<v Speaker 1>tram Rail that actually built the track and the drive

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<v Speaker 1>devices for the ride vehicles. And it's interesting because this

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<v Speaker 1>was a company that wasn't known for making amusement park rides.

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<v Speaker 1>They built out systems for overhead cranes, cranes that would

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<v Speaker 1>transport heavy materials above industrial sites, and these cranes would

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<v Speaker 1>go on trolleys along tracks, and they were using a

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<v Speaker 1>similar system for these these rides on Peter Pan's Flight.

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<v Speaker 1>So the motorized trolley would sit on a girder rail,

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<v Speaker 1>and the trolley had an electric motor that had one

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<v Speaker 1>whole horsepower to it. The wheels on the trolley would

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<v Speaker 1>pinch the rail on either side, and thus you had

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<v Speaker 1>what was called a friction drive. The wheels would have

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<v Speaker 1>enough pressure on that rail and would provide the gripping

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<v Speaker 1>power necessary for things like the vehicle to to go

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<v Speaker 1>up an incline so they could climb an altitude, or

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<v Speaker 1>to break so that it wouldn't just slide down a

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<v Speaker 1>downward slope out of control. That would be disastrous. The

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<v Speaker 1>ships hung from the trolley by a pair of masts,

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<v Speaker 1>and the connecting points on the trolley itself were hinged,

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<v Speaker 1>so the ships could maintain a level position as it

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<v Speaker 1>moved around the track relative to the ground, instead of

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<v Speaker 1>swinging like out at a weird angle. But that swinging

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<v Speaker 1>bit became something of a problem. You know that that

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<v Speaker 1>pivot meant that you could swing the ships left and right,

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<v Speaker 1>and kids found that out and with a little wriggling

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<v Speaker 1>started to cause them to swing all sorts of ways,

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<v Speaker 1>and that could sometimes cause the ride to stop. For example,

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<v Speaker 1>in one case, someone was making one of these rides

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<v Speaker 1>swing so hard that it swung out and hit the

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<v Speaker 1>interior wall of the attraction, and a component on the

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<v Speaker 1>ride got embedded in the dry wall of the interior wall,

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<v Speaker 1>and so the whole thing got stuck and they had

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<v Speaker 1>to stop the ride. The track segments are electrical blocks,

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<v Speaker 1>so you can think of the the entire ride being

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<v Speaker 1>a series of electrical blocks, and each of those blocks

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<v Speaker 1>have their own electrical circuit that supports one vehicle at

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<v Speaker 1>a time. So as a ship moves from block one

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<v Speaker 1>to block two, another ship can move into block one,

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<v Speaker 1>and the ship that wasn't block two has moved into

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<v Speaker 1>block three, and if you time it just right, that

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<v Speaker 1>allows for an uninterrupted trip from London to Neverland. The

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<v Speaker 1>original Peter Pan ride at Disneyland was missing one important

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<v Speaker 1>character among all those tableau that it moved through, and

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<v Speaker 1>that character was Peter Pan himself. The reason for the

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<v Speaker 1>emission was actually on purpose. The original imagineers thought of

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<v Speaker 1>the ride as taking place from the perspective of Peter Pan,

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<v Speaker 1>so the passengers were effectively taking on the role of Pan.

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<v Speaker 1>The problem was passengers didn't really get that, and so

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<v Speaker 1>a lot of them walked away one or why Peter

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<v Speaker 1>Pan was absent on his own ride. It would take

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<v Speaker 1>nearly thirty years, but Disneyland's ride would eventually add Peter

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<v Speaker 1>Pan into the experience in nineteen eighty three. The other

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<v Speaker 1>versions of the ride, like the one at while Disney World,

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<v Speaker 1>would sidestep that problem entirely. They built Peter Pan into

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<v Speaker 1>the ride from the very beginning. They would also install

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<v Speaker 1>a different drive system to achieve the same sort of

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<v Speaker 1>effects that were at the Disneyland ride, but without having

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<v Speaker 1>to contend with the numerous maintenance problems that the tram

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<v Speaker 1>rail system had in the original Disneyland version. And it

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<v Speaker 1>was also a very loud system. Imagineer said that the

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<v Speaker 1>original drive system on the Disneyland ride was was distractingly loud.

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<v Speaker 1>Another ride system that would find its way into a

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<v Speaker 1>couple of different Disney attractions came from the Matter Horn,

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<v Speaker 1>which was the first steel to roller coaster it opened

0:14:00.920 --> 0:14:05.520
<v Speaker 1>back in nineteen fifty nine, or steel tubular coaster if

0:14:05.520 --> 0:14:09.360
<v Speaker 1>you prefer so. It's housed in a replica of the

0:14:09.400 --> 0:14:12.480
<v Speaker 1>matter Horn the Mountain in Switzerland, but it's at one

0:14:12.559 --> 0:14:17.480
<v Speaker 1>one scale. And this actually would end up being another first.

0:14:17.520 --> 0:14:21.600
<v Speaker 1>It was the first coaster housed inside an enclosed structure.

0:14:21.680 --> 0:14:25.120
<v Speaker 1>Most roller coasters are outdoors. And you might wonder why

0:14:25.160 --> 0:14:28.160
<v Speaker 1>Disney would build a matter Horn themed attraction in the

0:14:28.200 --> 0:14:30.880
<v Speaker 1>first place. Because I'm a Disney fan, or at least

0:14:30.880 --> 0:14:33.400
<v Speaker 1>I think of myself as such, and I wondered why

0:14:33.440 --> 0:14:36.760
<v Speaker 1>there was a matter Horn ride. But at the time,

0:14:36.800 --> 0:14:40.560
<v Speaker 1>in nineteen fifty nine, Disney's movie studio was getting ready

0:14:40.560 --> 0:14:43.200
<v Speaker 1>to release a live action film called Third Man on

0:14:43.240 --> 0:14:46.880
<v Speaker 1>the Mountains set on and around the matter Horn. Now

0:14:46.920 --> 0:14:49.960
<v Speaker 1>I had not heard of this film, so I guess

0:14:49.960 --> 0:14:52.480
<v Speaker 1>it didn't quite reach the level of instant classic. I'm

0:14:52.520 --> 0:14:56.360
<v Speaker 1>sure there are many Disney fanatics out there who are

0:14:56.560 --> 0:14:59.040
<v Speaker 1>very familiar with the movie. This one was a new

0:14:59.040 --> 0:15:01.520
<v Speaker 1>one on me. Uh. Though. To be fair, when it

0:15:01.560 --> 0:15:04.880
<v Speaker 1>comes to the live action films, particularly of the nineteen

0:15:04.920 --> 0:15:09.400
<v Speaker 1>fifties and sixties, I lost track Man because that studio

0:15:09.480 --> 0:15:12.880
<v Speaker 1>made a ton of them. However, the matter Horn Ride

0:15:13.280 --> 0:15:15.480
<v Speaker 1>is still at the park today, even if people don't

0:15:15.480 --> 0:15:19.560
<v Speaker 1>remember the movie that inspired it. The coaster cars on

0:15:19.600 --> 0:15:22.680
<v Speaker 1>the matter Horn are little bob sleds that whizz around

0:15:22.760 --> 0:15:26.960
<v Speaker 1>the track actually tracks, because there are two intertwined tracks

0:15:26.960 --> 0:15:30.160
<v Speaker 1>on the matter Horn Ride. The tubular track allows for

0:15:30.400 --> 0:15:34.720
<v Speaker 1>a much smoother experience than traditional wooden rail based coasters.

0:15:35.080 --> 0:15:37.840
<v Speaker 1>The Bob sleds wheels could be made from a hard

0:15:37.880 --> 0:15:41.800
<v Speaker 1>plastic material like you know, nylon, rather than metal, and

0:15:41.880 --> 0:15:45.000
<v Speaker 1>the wheels would fit against the track, on top of

0:15:45.040 --> 0:15:48.960
<v Speaker 1>the track, underneath the track, and on the sides of

0:15:49.000 --> 0:15:51.640
<v Speaker 1>the track, on the tubes as it were, and that

0:15:51.680 --> 0:15:54.120
<v Speaker 1>would anchor the coaster car to the track, allowing it

0:15:54.160 --> 0:15:57.280
<v Speaker 1>to take really steep turns without any fears of the

0:15:57.320 --> 0:16:00.800
<v Speaker 1>coaster flying off because it was really there. With those

0:16:00.800 --> 0:16:04.760
<v Speaker 1>wheels and those various orientations, the original Bob sleds could

0:16:04.800 --> 0:16:08.360
<v Speaker 1>hold up to four people each. Now Bob Ger, an

0:16:08.360 --> 0:16:11.680
<v Speaker 1>imagineer who really was sort of a car guy before

0:16:11.840 --> 0:16:15.480
<v Speaker 1>he came to work with Disney, helped install the system

0:16:15.600 --> 0:16:17.720
<v Speaker 1>for the matter Horn Bob sleds that would allow for

0:16:17.840 --> 0:16:20.480
<v Speaker 1>more than one sled on the track at a time.

0:16:21.160 --> 0:16:25.200
<v Speaker 1>The ride had track mounted wheels that can make contact

0:16:25.240 --> 0:16:28.200
<v Speaker 1>with the bob sleds as they moved along the track.

0:16:28.600 --> 0:16:32.360
<v Speaker 1>So these wheels are built into the track itself, and

0:16:32.400 --> 0:16:35.760
<v Speaker 1>the wheels can either slow down a bob sled or

0:16:35.840 --> 0:16:37.960
<v Speaker 1>it can give them a boost. You know, if the

0:16:37.960 --> 0:16:41.280
<v Speaker 1>wheel is turning really quickly and the bob sled rolls

0:16:41.400 --> 0:16:44.120
<v Speaker 1>up to it, then the bob sled gets a push

0:16:44.560 --> 0:16:47.560
<v Speaker 1>from these wheels, or if the wheels are moving very slowly,

0:16:47.920 --> 0:16:51.760
<v Speaker 1>they can break b R a k E the bob

0:16:51.800 --> 0:16:55.600
<v Speaker 1>sled and so Gert calls them booster breaks. With the

0:16:55.640 --> 0:16:59.040
<v Speaker 1>booster breakes, the bob sled speeds could be controlled a

0:16:59.080 --> 0:17:01.520
<v Speaker 1>bit better, and it was safe to have more than

0:17:01.640 --> 0:17:05.359
<v Speaker 1>one bob sled on the same track at the same time.

0:17:05.840 --> 0:17:08.600
<v Speaker 1>That was another first. A lot of the roller coasters

0:17:08.640 --> 0:17:11.199
<v Speaker 1>before that you only could allow one car to go

0:17:11.240 --> 0:17:14.040
<v Speaker 1>on the track because otherwise you could be inviting disaster.

0:17:14.600 --> 0:17:17.120
<v Speaker 1>But with the system, even if a car were stopped

0:17:17.119 --> 0:17:19.240
<v Speaker 1>on part of the track, you could use the booster

0:17:19.320 --> 0:17:22.600
<v Speaker 1>brakes to stop other bob sleds so that there aren't

0:17:22.600 --> 0:17:26.159
<v Speaker 1>any collisions. The company that actually developed this technology was

0:17:26.400 --> 0:17:29.600
<v Speaker 1>Ero Development. That was a company that partnered with Disney

0:17:29.680 --> 0:17:34.040
<v Speaker 1>on many of Disney's early rides. Walt Disney himself would

0:17:34.119 --> 0:17:38.320
<v Speaker 1>inform ger Bob ger in nineteen sixty one that he

0:17:38.359 --> 0:17:41.199
<v Speaker 1>was going to build out a much larger version of

0:17:41.240 --> 0:17:44.280
<v Speaker 1>this an attraction for the World's Fair that was going

0:17:44.320 --> 0:17:46.960
<v Speaker 1>to happen in a few years in nineteen sixty four.

0:17:47.440 --> 0:17:50.600
<v Speaker 1>That particular event would also feature attractions like It's a

0:17:50.640 --> 0:17:54.720
<v Speaker 1>Small World and the Carousel of Progress. And this attraction

0:17:54.840 --> 0:17:59.080
<v Speaker 1>was the Ford Magic Skyway, in which passengers would climb

0:17:59.119 --> 0:18:02.879
<v Speaker 1>into what look like a forward car and ride along

0:18:02.880 --> 0:18:05.639
<v Speaker 1>a track, and along that way they would see stuff

0:18:05.680 --> 0:18:10.399
<v Speaker 1>like animatronic dinosaurs and the futuristic City on either end

0:18:10.480 --> 0:18:13.639
<v Speaker 1>of the journey. It was essentially a time travel narrative.

0:18:14.440 --> 0:18:16.560
<v Speaker 1>Some of those set pieces would later find their way

0:18:16.600 --> 0:18:20.520
<v Speaker 1>into other attractions at Disney Parks. Now, the forward cars

0:18:20.560 --> 0:18:24.280
<v Speaker 1>of this ride weren't really cars. There were no motors

0:18:24.280 --> 0:18:26.919
<v Speaker 1>in them. The engineers had stripped them down to be

0:18:26.960 --> 0:18:31.239
<v Speaker 1>as lightweight as possible. They installed a flat plate on

0:18:31.280 --> 0:18:34.959
<v Speaker 1>the underside of the chassis of these vehicles, and the

0:18:35.000 --> 0:18:38.080
<v Speaker 1>track that the car would travel down had these booster brakes.

0:18:38.119 --> 0:18:41.320
<v Speaker 1>These wheels set up in the track every three feet

0:18:41.440 --> 0:18:44.919
<v Speaker 1>or so, so the car frame would roll up to

0:18:45.240 --> 0:18:47.200
<v Speaker 1>one of these sets of wheels, and those sets of

0:18:47.200 --> 0:18:50.160
<v Speaker 1>wheels would give the car frame the push it needed

0:18:50.480 --> 0:18:54.000
<v Speaker 1>to roll further down the track, or it would slow

0:18:54.240 --> 0:18:56.879
<v Speaker 1>down the vehicle in order to make it come to

0:18:56.920 --> 0:19:00.080
<v Speaker 1>a stop and let people off, depending on whatever was needed.

0:19:00.600 --> 0:19:06.440
<v Speaker 1>The car models that were simulated included Lincoln's, Mercury's Falcons, Comets,

0:19:06.520 --> 0:19:11.400
<v Speaker 1>and a brand new sports car called the Mustang. This

0:19:11.560 --> 0:19:14.800
<v Speaker 1>same propulsion system would later be used for the People Mover,

0:19:15.160 --> 0:19:18.879
<v Speaker 1>an attraction in tomorrow Land at Disneyland and the Magic

0:19:18.960 --> 0:19:22.080
<v Speaker 1>Kingdom in Orlando, and that lets people get a view

0:19:22.080 --> 0:19:24.679
<v Speaker 1>of other stuff that's going on in Tomorrowland. Now, the

0:19:24.720 --> 0:19:29.359
<v Speaker 1>Disneyland version of that attraction closed back in to make

0:19:29.440 --> 0:19:33.160
<v Speaker 1>way for an ill fated ride called Rocket Rods. I'm

0:19:33.160 --> 0:19:36.520
<v Speaker 1>sure there are people in California wincing as I mentioned that,

0:19:37.040 --> 0:19:39.200
<v Speaker 1>But the Walt Disney World version of the People Mover

0:19:39.640 --> 0:19:42.159
<v Speaker 1>is still going strong, or at least it was the

0:19:42.240 --> 0:19:45.360
<v Speaker 1>last time I was there, which was not long ago. Now,

0:19:45.359 --> 0:19:48.560
<v Speaker 1>when we come back, will jump on a Doom Buggy

0:19:48.640 --> 0:19:50.840
<v Speaker 1>and we'll talk about how those work in the Haunted Mansion.

0:19:50.880 --> 0:20:01.280
<v Speaker 1>But first, let's take a quick break. The next innovation

0:20:01.400 --> 0:20:04.560
<v Speaker 1>I really want to talk about is called the omni mover,

0:20:05.119 --> 0:20:08.320
<v Speaker 1>which is sort of the foundation for a ride system

0:20:08.480 --> 0:20:12.040
<v Speaker 1>and found in rides like the Haunted Mansion. It was

0:20:12.160 --> 0:20:14.600
<v Speaker 1>named by Bob Gurn, although he was not the only

0:20:14.640 --> 0:20:16.720
<v Speaker 1>person to work on it. It was actually a group

0:20:16.760 --> 0:20:20.880
<v Speaker 1>effort by numerous brilliant imagineers, and it was an approach

0:20:20.920 --> 0:20:24.639
<v Speaker 1>to solving a crowd management problem, particularly for dark rides.

0:20:25.080 --> 0:20:28.399
<v Speaker 1>So dark rides have a limited capacity. I mean every

0:20:28.480 --> 0:20:31.480
<v Speaker 1>ride does right. You only can fit so many people

0:20:31.520 --> 0:20:34.359
<v Speaker 1>on a ride within a given amount of time. And

0:20:35.000 --> 0:20:38.199
<v Speaker 1>traditional dark rides had vehicles that had to come to

0:20:38.280 --> 0:20:41.720
<v Speaker 1>a stop for unloading and loading, and there had to

0:20:41.720 --> 0:20:45.359
<v Speaker 1>be a great deal of space between vehicles to avoid collisions.

0:20:45.680 --> 0:20:48.359
<v Speaker 1>And each vehicle can only carry a certain number of people,

0:20:48.760 --> 0:20:51.280
<v Speaker 1>which is all dependent upon the specific ride, of course.

0:20:51.680 --> 0:20:53.199
<v Speaker 1>And if you look at how long it takes on

0:20:53.240 --> 0:20:56.960
<v Speaker 1>average to unload and load a vehicle, you can factor

0:20:57.000 --> 0:20:59.760
<v Speaker 1>in the number of guests who can ride a vehicle

0:20:59.760 --> 0:21:03.200
<v Speaker 1>at any given time, count the total number of vehicles

0:21:03.200 --> 0:21:06.439
<v Speaker 1>that are active on the ride, and how long the

0:21:06.560 --> 0:21:09.480
<v Speaker 1>ride takes from start to finish, and you do a

0:21:09.480 --> 0:21:11.679
<v Speaker 1>little math, you can come up with how many people

0:21:11.720 --> 0:21:15.160
<v Speaker 1>can ride a specific attraction within a certain amount of time,

0:21:15.280 --> 0:21:18.120
<v Speaker 1>such as an hour, and you can call this the

0:21:18.119 --> 0:21:22.600
<v Speaker 1>theoretical hourly ride capacity. Now, you know, in reality the

0:21:22.640 --> 0:21:24.720
<v Speaker 1>number is going to be a little bit lower than

0:21:24.760 --> 0:21:28.840
<v Speaker 1>the theoretical capacity because you know, stuff works in the

0:21:28.880 --> 0:21:32.760
<v Speaker 1>real world, and then sometimes stuff doesn't work, so you're

0:21:32.800 --> 0:21:36.040
<v Speaker 1>never gonna really hit that ideal number. On most days,

0:21:36.520 --> 0:21:39.119
<v Speaker 1>you'll just get, you know, somewhere in the range. But

0:21:39.320 --> 0:21:42.040
<v Speaker 1>the dark rides at Disneyland, the stuff like Peter Pan

0:21:42.160 --> 0:21:45.800
<v Speaker 1>and Mr. Toad and snow White, had capacities of around

0:21:46.080 --> 0:21:49.840
<v Speaker 1>five hundred two maybe upwards of one thousand people per hour.

0:21:50.400 --> 0:21:53.080
<v Speaker 1>That really depends upon which source you're looking at, but

0:21:53.240 --> 0:21:56.960
<v Speaker 1>most sources actually put Peter Pan closer to around seven

0:21:57.040 --> 0:22:01.880
<v Speaker 1>hundred fifty riders per hour. So if you have more

0:22:01.880 --> 0:22:05.000
<v Speaker 1>than people in line ahead of you, you're gonna be

0:22:05.000 --> 0:22:07.080
<v Speaker 1>waiting more than an hour to get on that ride.

0:22:07.600 --> 0:22:09.720
<v Speaker 1>And Peter Pan is one of those rides that tends

0:22:09.720 --> 0:22:12.919
<v Speaker 1>to get super long lines, partly because it's also a

0:22:13.000 --> 0:22:16.119
<v Speaker 1>ride that thematically doesn't have any scary parts in it,

0:22:16.160 --> 0:22:18.440
<v Speaker 1>whereas a lot of dark rides did have scary parts,

0:22:18.560 --> 0:22:21.400
<v Speaker 1>so it's very popular with kids. Plus the soaring thing

0:22:21.480 --> 0:22:23.960
<v Speaker 1>is kind of fun anyway. What if you could design

0:22:24.000 --> 0:22:27.600
<v Speaker 1>a ride so that, you know, barring certain circumstances, the

0:22:27.680 --> 0:22:30.880
<v Speaker 1>vehicles would remain in motion and never come to a stop.

0:22:31.000 --> 0:22:33.480
<v Speaker 1>What if each vehicle on the ride was actually part

0:22:33.560 --> 0:22:37.440
<v Speaker 1>of a larger moving system, so you can actually pack

0:22:37.480 --> 0:22:40.280
<v Speaker 1>in tons of vehicles on this ride and you never

0:22:40.320 --> 0:22:42.840
<v Speaker 1>have to worry about collisions because they're all moving or

0:22:42.960 --> 0:22:46.840
<v Speaker 1>stopping all at the same time. They're they're not independent

0:22:46.920 --> 0:22:49.919
<v Speaker 1>of one another. What if you paired that system with

0:22:50.000 --> 0:22:53.480
<v Speaker 1>a moving sidewalk so that guests could step on the

0:22:53.520 --> 0:22:56.199
<v Speaker 1>sidewalk when they were getting ready to get on or

0:22:56.400 --> 0:22:59.040
<v Speaker 1>get off the ride, and the sidewalks moving at the

0:22:59.119 --> 0:23:03.080
<v Speaker 1>same speed as the ride vehicles are moving, so from

0:23:03.160 --> 0:23:05.720
<v Speaker 1>the perspective of the ride vehicle, the sidewalk appears to

0:23:05.760 --> 0:23:08.480
<v Speaker 1>be stationary, or if you want to reverse that, from

0:23:08.520 --> 0:23:11.480
<v Speaker 1>the perspective of the sidewalk, the vehicles appeared to be stationary,

0:23:12.000 --> 0:23:14.040
<v Speaker 1>makes it easier to get on and off. All of

0:23:14.040 --> 0:23:19.520
<v Speaker 1>this would be a brilliant approach to expediting guests getting

0:23:19.520 --> 0:23:22.960
<v Speaker 1>to experience a ride. Bob Ger would work with another

0:23:23.000 --> 0:23:26.840
<v Speaker 1>imagineer named John Hench to design the Omni Mover system,

0:23:26.920 --> 0:23:30.119
<v Speaker 1>and technically they designed it for a different ride. It

0:23:30.160 --> 0:23:32.960
<v Speaker 1>would only get used for the Haunted Mansion a little

0:23:33.040 --> 0:23:36.040
<v Speaker 1>later on. In fact, originally the Haunted Mansion was going

0:23:36.080 --> 0:23:39.680
<v Speaker 1>to be a walk through attraction, but that has its

0:23:39.680 --> 0:23:42.440
<v Speaker 1>own problems because people walk at different speeds, you can't

0:23:42.520 --> 0:23:45.960
<v Speaker 1>really predict what the capacity of such an attraction is

0:23:45.960 --> 0:23:48.760
<v Speaker 1>going to be. This ended up being a nice solution

0:23:48.800 --> 0:23:51.040
<v Speaker 1>to that. So they had developed the Omni mover for

0:23:51.240 --> 0:23:54.880
<v Speaker 1>a different ride, but famously, the Haunted Mansion would really

0:23:55.560 --> 0:23:59.680
<v Speaker 1>make it well known. Generally speaking, think of the omni

0:23:59.720 --> 0:24:03.199
<v Speaker 1>move as a chain that makes a complete loop. So

0:24:03.200 --> 0:24:06.680
<v Speaker 1>it's a loop of chain, and the links in this

0:24:06.720 --> 0:24:10.600
<v Speaker 1>case are the vehicles, the cars, the doom buggies in

0:24:10.600 --> 0:24:13.800
<v Speaker 1>the case of the Haunted Mansion. The whole chain moves

0:24:13.880 --> 0:24:17.000
<v Speaker 1>as a unit around the course of a ride, and

0:24:17.080 --> 0:24:19.720
<v Speaker 1>the cars will pass through each segment in turn. And

0:24:19.760 --> 0:24:22.200
<v Speaker 1>because all the cars are linked together, they are all

0:24:22.240 --> 0:24:25.760
<v Speaker 1>either moving or they are all stopped. And it'll be

0:24:25.840 --> 0:24:27.560
<v Speaker 1>a lot easier for me if I just use the

0:24:27.600 --> 0:24:30.680
<v Speaker 1>Haunted Mansion as the specific example, because then I can

0:24:30.680 --> 0:24:34.000
<v Speaker 1>refer to the ride vehicles as Doom Buggies, and let's

0:24:34.040 --> 0:24:37.119
<v Speaker 1>face it, that's just playing cool. The Doom Buggy is

0:24:37.160 --> 0:24:40.960
<v Speaker 1>a fiberglass ride vehicle that has a sort of clamshell

0:24:41.200 --> 0:24:45.560
<v Speaker 1>like structure. So there's a seat. Passenger sit in the seat,

0:24:45.600 --> 0:24:48.760
<v Speaker 1>and it curves up behind you and over you, so

0:24:48.800 --> 0:24:52.800
<v Speaker 1>it's like you're kind of cupped in this buggy. And

0:24:52.920 --> 0:24:56.080
<v Speaker 1>there's a front panel with a safety bar and that

0:24:56.359 --> 0:24:59.720
<v Speaker 1>rises up as if by magic. According to the narrator

0:24:59.760 --> 0:25:03.199
<v Speaker 1>of the ride, the ghost Host, he is lowering the

0:25:03.240 --> 0:25:07.719
<v Speaker 1>bar into place for you. Spoiler alert, he's not. But

0:25:07.920 --> 0:25:11.280
<v Speaker 1>I'll explain how this works a little bit later. So

0:25:11.359 --> 0:25:14.159
<v Speaker 1>when you walk up to the loading area for the

0:25:14.200 --> 0:25:16.960
<v Speaker 1>actual Doom Buggies and the Haunted Mansion, you see a

0:25:16.960 --> 0:25:19.359
<v Speaker 1>moving sidewalk that's traveling at the same speed as the

0:25:19.400 --> 0:25:22.920
<v Speaker 1>Doom Buggies. The Doom Buggies are pretty close to each other,

0:25:23.280 --> 0:25:26.919
<v Speaker 1>and under the Buggies is a track consisting of a

0:25:27.040 --> 0:25:32.000
<v Speaker 1>frame and rails. The track itself is three dimensional rather

0:25:32.040 --> 0:25:34.480
<v Speaker 1>than a traditional two dimensional track. And it's gonna be

0:25:34.480 --> 0:25:37.240
<v Speaker 1>a little challenging to talk about this without visual aids,

0:25:37.920 --> 0:25:40.280
<v Speaker 1>but I will try to do my best. Okay, So

0:25:40.359 --> 0:25:43.879
<v Speaker 1>let's say you've got a length of track from the

0:25:43.880 --> 0:25:46.960
<v Speaker 1>Haunted Mansion ride in front of you, and you're looking

0:25:47.000 --> 0:25:49.800
<v Speaker 1>at it head on, like a cross section, so it's

0:25:49.800 --> 0:25:52.520
<v Speaker 1>just from one end of the track you're looking down

0:25:52.680 --> 0:25:55.159
<v Speaker 1>the length of it. If you were to look at this,

0:25:55.200 --> 0:25:59.480
<v Speaker 1>you would look like a metal rectangle, but the longer

0:25:59.520 --> 0:26:01.639
<v Speaker 1>sides would on the top and the bottom and the

0:26:01.680 --> 0:26:04.840
<v Speaker 1>shorter sides are the actual size of the rectangle. And

0:26:04.880 --> 0:26:07.359
<v Speaker 1>on the top side you would see that it's not

0:26:07.440 --> 0:26:09.840
<v Speaker 1>a complete line. There's actually a gap in the middle.

0:26:10.240 --> 0:26:14.320
<v Speaker 1>That's the slot through which the Doom Buggies base travels.

0:26:14.680 --> 0:26:18.400
<v Speaker 1>It's where the doom Buggie connects down to the chassis

0:26:18.920 --> 0:26:23.280
<v Speaker 1>that goes down this track. A little more than halfway

0:26:23.320 --> 0:26:26.480
<v Speaker 1>down the sides of this metal rectangle, you would see

0:26:26.520 --> 0:26:30.200
<v Speaker 1>the pair of guide rails, one on either side, one

0:26:30.200 --> 0:26:31.800
<v Speaker 1>on the left, one on the right. These are the

0:26:31.880 --> 0:26:35.080
<v Speaker 1>rails that hold up the buggies. If you were thinking

0:26:35.080 --> 0:26:38.520
<v Speaker 1>of the buggies like a railroad train, these would be

0:26:38.520 --> 0:26:42.720
<v Speaker 1>the railroad tracks. Now, each buggy is mounted on an

0:26:42.960 --> 0:26:47.800
<v Speaker 1>H shaped chassis and that fits onto the track, so

0:26:47.960 --> 0:26:49.600
<v Speaker 1>you can kind of think of the buggies as being

0:26:49.640 --> 0:26:53.040
<v Speaker 1>sort of like office chairs that are on casters, except

0:26:53.080 --> 0:26:55.320
<v Speaker 1>in this case, instead of being on casters where you

0:26:55.320 --> 0:26:58.440
<v Speaker 1>can roll in any direction, you're mounted onto a track.

0:26:58.480 --> 0:27:02.480
<v Speaker 1>You can only travel along that track. The wheels on

0:27:02.520 --> 0:27:06.679
<v Speaker 1>the buggy chassis can roll over these guide rails. If

0:27:06.680 --> 0:27:08.919
<v Speaker 1>you were to pull the chassis out of the track,

0:27:09.480 --> 0:27:11.600
<v Speaker 1>you would see that the chassis also has two other

0:27:11.680 --> 0:27:14.840
<v Speaker 1>pairs of wheels in addition to those guide wheels, and

0:27:14.880 --> 0:27:17.479
<v Speaker 1>those two pairs of wheels are on the top of

0:27:17.520 --> 0:27:21.240
<v Speaker 1>the chassis, not not below it. So what are those

0:27:21.280 --> 0:27:25.720
<v Speaker 1>four Well, one pair of those wheels are pitch orienting wheels.

0:27:26.320 --> 0:27:28.680
<v Speaker 1>If you go back to the description of the track,

0:27:28.760 --> 0:27:31.679
<v Speaker 1>along that top section of the rectangle where the slot

0:27:31.840 --> 0:27:35.359
<v Speaker 1>is on either side of the slot, you would see

0:27:35.400 --> 0:27:40.120
<v Speaker 1>a T shaped rail on either side. One of those

0:27:40.200 --> 0:27:43.760
<v Speaker 1>T shaped rails is the pitch orienting rail, and the

0:27:43.800 --> 0:27:47.320
<v Speaker 1>wheels along the top of the chassis grip either side

0:27:47.440 --> 0:27:50.760
<v Speaker 1>of that rail, and these wheels are connected to an

0:27:50.920 --> 0:27:55.400
<v Speaker 1>arm that ultimately determines the pitch orientation of the buggy itself.

0:27:55.520 --> 0:27:59.840
<v Speaker 1>So as these wheels move along this rail, and as

0:28:00.160 --> 0:28:05.320
<v Speaker 1>rail changes shape, it causes the buggy to change its

0:28:05.400 --> 0:28:09.959
<v Speaker 1>pitch again. I could walk through a deeper explanation of

0:28:09.960 --> 0:28:13.920
<v Speaker 1>how this actually works. But without visual aids, it's really

0:28:13.960 --> 0:28:17.960
<v Speaker 1>hard to convey that information properly. I guess the simplest

0:28:17.960 --> 0:28:20.720
<v Speaker 1>way to put it is just imagine that there are

0:28:20.760 --> 0:28:24.720
<v Speaker 1>some pivots and levers connected to these wheels, so that

0:28:24.840 --> 0:28:29.280
<v Speaker 1>a small change at the wheels results in a large change,

0:28:29.400 --> 0:28:33.560
<v Speaker 1>that being the pitch of the buggy itself. Now, these

0:28:33.640 --> 0:28:35.720
<v Speaker 1>rails are designed in such a way so that when

0:28:35.720 --> 0:28:38.880
<v Speaker 1>the buggies are either going up or going down a hill,

0:28:39.320 --> 0:28:44.080
<v Speaker 1>the buggy itself maintains a more or less level orientation

0:28:44.200 --> 0:28:48.240
<v Speaker 1>relative to the passengers and the ground below. With some exceptions.

0:28:48.880 --> 0:28:51.760
<v Speaker 1>There is a steep hill in the Hot and mansioned

0:28:51.880 --> 0:28:54.840
<v Speaker 1>ride where the buggies have to turn around so that

0:28:54.920 --> 0:28:57.880
<v Speaker 1>you're kind of in a reclined seating position as you

0:28:57.960 --> 0:29:00.440
<v Speaker 1>go down this hill. It's just too steep to be

0:29:00.520 --> 0:29:05.360
<v Speaker 1>able to uh to compensate for that with the pitch

0:29:05.400 --> 0:29:09.400
<v Speaker 1>orientation rail. Now, the other T shaped rail, because remember

0:29:09.400 --> 0:29:10.840
<v Speaker 1>there are two of them. One of them is the

0:29:10.880 --> 0:29:16.320
<v Speaker 1>pitch orienting rail, the other one is the swivel orientation rail.

0:29:16.680 --> 0:29:19.440
<v Speaker 1>And so the chassis has a pair of wheels that

0:29:19.520 --> 0:29:22.960
<v Speaker 1>grip this rail as well, and these wheels connect to

0:29:23.160 --> 0:29:27.200
<v Speaker 1>a gear assembly that controls the direction the buggy faces.

0:29:27.240 --> 0:29:30.960
<v Speaker 1>It can swivel the buggy in a specific direction, so

0:29:31.000 --> 0:29:33.440
<v Speaker 1>as the wheels move along this rail, changes in that

0:29:33.560 --> 0:29:36.880
<v Speaker 1>rail caused the buggy to swivel in specific directions, and

0:29:36.920 --> 0:29:40.040
<v Speaker 1>by shaping that rail precisely, the ride designers could make

0:29:40.080 --> 0:29:43.320
<v Speaker 1>sure that the passengers are facing the proper direction for

0:29:43.360 --> 0:29:47.080
<v Speaker 1>any specific parts of the ride. So to recap the

0:29:47.160 --> 0:29:50.160
<v Speaker 1>guide rails and the guide wheels are what allowed the

0:29:50.160 --> 0:29:54.080
<v Speaker 1>buggies to travel along the pathway of this ride. The

0:29:54.200 --> 0:29:58.480
<v Speaker 1>pitch orienting rail and wheels maintain the buggies level to

0:29:58.600 --> 0:30:02.520
<v Speaker 1>a degree, and the swivel rail and wheels determine which

0:30:02.520 --> 0:30:05.120
<v Speaker 1>direction the buggy is facing at any given moment. These

0:30:05.120 --> 0:30:09.400
<v Speaker 1>are all purely mechanical systems. There are no electronics here,

0:30:09.800 --> 0:30:14.880
<v Speaker 1>so there's no circuitry. It's just physics based upon the

0:30:14.960 --> 0:30:19.440
<v Speaker 1>shape of these rails and the wheels against those rails.

0:30:19.440 --> 0:30:23.320
<v Speaker 1>It's pretty cool now. The chassiss are linked together and

0:30:23.360 --> 0:30:26.160
<v Speaker 1>there are one hundred thirty one of them at the

0:30:26.200 --> 0:30:32.000
<v Speaker 1>Disneyland attraction, so Buggy number one is linked behind Buggy

0:30:32.080 --> 0:30:36.320
<v Speaker 1>one and in front of buggy number two and so

0:30:36.360 --> 0:30:39.360
<v Speaker 1>on all the way around, making a full chain all

0:30:39.400 --> 0:30:41.920
<v Speaker 1>the way through the ride, and they all move together,

0:30:42.400 --> 0:30:45.800
<v Speaker 1>but they can swivel and pivot independently depending on where

0:30:45.840 --> 0:30:49.120
<v Speaker 1>they are along the track. So that's safety bar I mentioned.

0:30:49.360 --> 0:30:53.520
<v Speaker 1>How does that move into place, Well, it's not ghostly magic.

0:30:53.880 --> 0:30:56.600
<v Speaker 1>This part of the clamshell design of the buggy is

0:30:56.640 --> 0:31:01.040
<v Speaker 1>mounted on a pivot arm, so it can move up

0:31:01.160 --> 0:31:03.680
<v Speaker 1>or it can move down, and the arm has tensions

0:31:03.760 --> 0:31:06.480
<v Speaker 1>springs on it, and those springs the way the tension

0:31:06.640 --> 0:31:10.960
<v Speaker 1>is it normally holds the safety bar in the lowered

0:31:11.240 --> 0:31:16.560
<v Speaker 1>or closed buggy position, So when there is no other

0:31:17.240 --> 0:31:21.280
<v Speaker 1>force acting on this buggy, it's naturally closed because those

0:31:21.320 --> 0:31:24.720
<v Speaker 1>springs are holding it closed. But mounted on the end

0:31:24.760 --> 0:31:28.040
<v Speaker 1>of this pivot arm are stabilizing wheels, which through most

0:31:28.040 --> 0:31:30.760
<v Speaker 1>of the ride aren't making contact with anything. They are

0:31:30.800 --> 0:31:33.760
<v Speaker 1>these tiny wheels that are on the back of the

0:31:33.840 --> 0:31:37.920
<v Speaker 1>doom buggies and they're usually just up in the air,

0:31:38.000 --> 0:31:41.560
<v Speaker 1>not touching anything, so that bar stays in place because

0:31:41.560 --> 0:31:44.280
<v Speaker 1>the springs are holding it because of the tension. But

0:31:44.360 --> 0:31:48.920
<v Speaker 1>in the loading and unloading zones there's a special stabilizing rail,

0:31:49.080 --> 0:31:52.400
<v Speaker 1>a guide rail mounted at a level that will engage

0:31:52.480 --> 0:31:56.680
<v Speaker 1>those wheels. Uh. This guide rails actually higher up than

0:31:56.800 --> 0:32:00.440
<v Speaker 1>the track that the chassis is traveling along because that

0:32:00.480 --> 0:32:04.280
<v Speaker 1>actually extends down beneath the floor level quite a bit.

0:32:05.000 --> 0:32:08.360
<v Speaker 1>The buggy moves along the track, and when the wheels

0:32:08.360 --> 0:32:12.520
<v Speaker 1>make contact with this stabilization rail, it forces the pivot

0:32:12.640 --> 0:32:17.920
<v Speaker 1>arm to you know, pivot. It strains against the springs,

0:32:18.320 --> 0:32:21.800
<v Speaker 1>and the springs expand as the wheels are pressed up

0:32:21.840 --> 0:32:26.000
<v Speaker 1>by this immovable rail, and thus the bar rises up,

0:32:26.160 --> 0:32:30.960
<v Speaker 1>meaning the buggy actually opens. The clamshell opens up. As

0:32:31.000 --> 0:32:34.040
<v Speaker 1>long as those wheels are pressed against a rail like that,

0:32:34.200 --> 0:32:38.080
<v Speaker 1>the door remains open. But as it starts to leave

0:32:38.240 --> 0:32:42.800
<v Speaker 1>the loading area, that rail starts to slope away, and

0:32:42.960 --> 0:32:46.160
<v Speaker 1>when it slopes away, the wheels gradually lose contact with

0:32:46.240 --> 0:32:49.880
<v Speaker 1>the rail and the spring is able to contract and

0:32:49.960 --> 0:32:54.960
<v Speaker 1>it forces the bar back into the lowered or closed position. Again.

0:32:54.960 --> 0:32:59.240
<v Speaker 1>It's a simple, elegant system, purely mechanical, and it means

0:32:59.280 --> 0:33:02.880
<v Speaker 1>the body of the buggy itself doesn't need any electronic

0:33:02.960 --> 0:33:06.320
<v Speaker 1>parts except for the speaker system. The sound system that's

0:33:06.320 --> 0:33:10.000
<v Speaker 1>built into the buggies is electronic, but all the parts

0:33:10.040 --> 0:33:13.880
<v Speaker 1>that are about moving are purely mechanical as for how

0:33:13.920 --> 0:33:16.880
<v Speaker 1>the cars move. Again, that's built into the track. It's

0:33:16.960 --> 0:33:19.640
<v Speaker 1>not part of the doom buggies. It's in the track.

0:33:20.000 --> 0:33:23.600
<v Speaker 1>On the underside of the chassis is a grip plate.

0:33:24.200 --> 0:33:27.959
<v Speaker 1>This is a vertically aligned metal plate, so it's like

0:33:27.960 --> 0:33:30.320
<v Speaker 1>a shark fin, except it sticking out the bottom of

0:33:30.360 --> 0:33:34.240
<v Speaker 1>the chassis, not the top, and the grip plate comes

0:33:34.240 --> 0:33:37.880
<v Speaker 1>into contact with rubber belts mounted on drive motors on

0:33:37.920 --> 0:33:41.480
<v Speaker 1>the bottom of the track. So think of two wheels

0:33:41.560 --> 0:33:45.680
<v Speaker 1>with rubber belts on them. They're essentially pressing against each

0:33:45.680 --> 0:33:49.280
<v Speaker 1>other and they're spinning really fast, and as the plate

0:33:49.360 --> 0:33:53.040
<v Speaker 1>comes in between them, the belts grip the plate and

0:33:53.120 --> 0:33:58.160
<v Speaker 1>push it through. That's exactly how this drive motor is working.

0:33:58.680 --> 0:34:02.600
<v Speaker 1>So it can make the entire ride move, or it

0:34:02.600 --> 0:34:05.680
<v Speaker 1>can bring things to a stop. These drive motors are

0:34:05.760 --> 0:34:11.879
<v Speaker 1>only found on straight segments of track because when the

0:34:11.960 --> 0:34:15.160
<v Speaker 1>vehicles are going around a curve, they wouldn't align that

0:34:15.200 --> 0:34:18.000
<v Speaker 1>the grip plate would not come into alignment with those

0:34:18.080 --> 0:34:20.880
<v Speaker 1>rubber belts. So if you're ever in a part of

0:34:20.880 --> 0:34:24.240
<v Speaker 1>the ride that's curving, you are not in a section

0:34:24.320 --> 0:34:27.440
<v Speaker 1>that is being powered at that moment. So when you're

0:34:27.440 --> 0:34:31.160
<v Speaker 1>going around Madame Leota, for example, during the seance sequence,

0:34:31.840 --> 0:34:34.120
<v Speaker 1>you know that it's other sections of the ride that

0:34:34.160 --> 0:34:37.600
<v Speaker 1>are actually getting the power to move everything at that point. Now,

0:34:37.640 --> 0:34:41.280
<v Speaker 1>as I mentioned, there are speakers in the doom buggies.

0:34:41.320 --> 0:34:44.799
<v Speaker 1>These are electronic obviously, and they play the audio for

0:34:44.840 --> 0:34:48.560
<v Speaker 1>the ride, and those audio cues are are lined up

0:34:48.640 --> 0:34:52.360
<v Speaker 1>with whatever area you're going through in the Haunted Mansions,

0:34:52.480 --> 0:34:55.880
<v Speaker 1>So according to the relative position of your buggy, you

0:34:55.960 --> 0:34:59.080
<v Speaker 1>hear a certain audio track. If you've ever been on

0:34:59.120 --> 0:35:01.359
<v Speaker 1>the ride when it has come to a stop, as

0:35:01.400 --> 0:35:04.400
<v Speaker 1>sometimes can happen, especially like let's say someone with mobility

0:35:04.440 --> 0:35:07.000
<v Speaker 1>issues needs to get on or off the ride, they

0:35:07.000 --> 0:35:10.160
<v Speaker 1>may have to stop it temporarily um or if there's

0:35:10.200 --> 0:35:13.239
<v Speaker 1>a malfunction in the ride, it might stop temporarily. But

0:35:13.480 --> 0:35:16.160
<v Speaker 1>that means you'll be stuck in a stationary position and

0:35:16.160 --> 0:35:18.840
<v Speaker 1>you'll hear the same audio loop for a while. I

0:35:18.880 --> 0:35:21.439
<v Speaker 1>always seem to get stuck on that hill leading down

0:35:21.480 --> 0:35:24.520
<v Speaker 1>to the graveyard scene when you're in that reclined position,

0:35:24.560 --> 0:35:27.640
<v Speaker 1>So I hear a lot of grim grinning ghosts whenever

0:35:27.960 --> 0:35:30.359
<v Speaker 1>I ride this ride. The fact that there are more

0:35:30.360 --> 0:35:34.320
<v Speaker 1>than one thirty doom buggies compared to the nine pirate

0:35:34.400 --> 0:35:37.880
<v Speaker 1>ships on peter Pan's flight, and that these buggies never,

0:35:38.200 --> 0:35:41.000
<v Speaker 1>for the most part, stop moving. A lot more people

0:35:41.040 --> 0:35:44.640
<v Speaker 1>can experience the Haunted Mansion in an hour than peter

0:35:44.680 --> 0:35:48.360
<v Speaker 1>Pan's flight. Even though the Haunted Mansion is a longer ride,

0:35:48.400 --> 0:35:51.600
<v Speaker 1>it's more than twice as long as peter Pan's flight.

0:35:51.640 --> 0:35:54.760
<v Speaker 1>Peter Pan's plays less than three minutes long. Haunted Mansion

0:35:54.880 --> 0:35:58.520
<v Speaker 1>is more than seven minutes long. So the theoretical hourly

0:35:58.680 --> 0:36:02.280
<v Speaker 1>capacity for the Haunted Mansion is more than three thousand

0:36:02.360 --> 0:36:06.759
<v Speaker 1>guests an hour, and Peter Pan is closer to eight hundred. Now,

0:36:06.800 --> 0:36:09.920
<v Speaker 1>I mentioned Pepper's Ghost at the top of this episode,

0:36:09.920 --> 0:36:12.520
<v Speaker 1>so before I move on to other ride systems, I

0:36:12.520 --> 0:36:15.359
<v Speaker 1>thought I would explain what that is really quickly. This

0:36:15.440 --> 0:36:18.680
<v Speaker 1>is an old illusion and it pre dates Disney by

0:36:18.719 --> 0:36:21.680
<v Speaker 1>a long stretch. In fact, there's an early historical account

0:36:21.719 --> 0:36:24.640
<v Speaker 1>of this that dates all the way back to four

0:36:25.040 --> 0:36:28.200
<v Speaker 1>and it's all based off of light and reflection. It's

0:36:28.280 --> 0:36:31.399
<v Speaker 1>used primarily uh And in the Haunted Mansion in the

0:36:31.480 --> 0:36:36.320
<v Speaker 1>ballroom party sequence, where a bunch of ghosts are gathered

0:36:36.360 --> 0:36:39.600
<v Speaker 1>for a swinging good wake. So let's say that you've

0:36:39.600 --> 0:36:43.120
<v Speaker 1>got a background upon which you want ghostly images to

0:36:43.160 --> 0:36:46.160
<v Speaker 1>appear like a physical background. People are actually gonna be

0:36:46.200 --> 0:36:48.880
<v Speaker 1>able to look at this thing. Well. With the haunted mansion,

0:36:49.040 --> 0:36:52.440
<v Speaker 1>this would be the large banquet hall. And in front

0:36:52.520 --> 0:36:57.000
<v Speaker 1>of this background you have a transparent pain of glass

0:36:57.239 --> 0:36:59.800
<v Speaker 1>or plastic, and it's at a forty five degree angle

0:36:59.840 --> 0:37:04.040
<v Speaker 1>with respect to the audience's point of view, and out

0:37:04.120 --> 0:37:08.239
<v Speaker 1>of sight of the audience, off to some side or

0:37:08.280 --> 0:37:11.040
<v Speaker 1>the other, you have a subject, in this case, an

0:37:11.080 --> 0:37:15.280
<v Speaker 1>animatronic figure that is very well lit, but the audience

0:37:15.320 --> 0:37:19.040
<v Speaker 1>can't see it directly. However, they can see the reflection

0:37:19.400 --> 0:37:23.480
<v Speaker 1>of these well lit figures on that transparent pane of glass,

0:37:24.120 --> 0:37:27.560
<v Speaker 1>And because the glass is transparent, the audience can actually

0:37:27.600 --> 0:37:31.799
<v Speaker 1>see through the figures themselves. They are ghosts. You get

0:37:31.840 --> 0:37:34.880
<v Speaker 1>yourself some ghosts in that sequence. It's pretty darn cool.

0:37:35.400 --> 0:37:38.680
<v Speaker 1>So in that ballroom scene, you've got figures that are

0:37:38.719 --> 0:37:42.720
<v Speaker 1>in a plane above and below the doom buggies because

0:37:42.760 --> 0:37:46.920
<v Speaker 1>the actual figures themselves are above and below the track.

0:37:47.400 --> 0:37:51.800
<v Speaker 1>Now you don't see a reflection of yourself in that sequence,

0:37:52.160 --> 0:37:56.280
<v Speaker 1>because the doom buggies are not brightly lit. Whereas the

0:37:56.320 --> 0:38:00.480
<v Speaker 1>animatronic figures above and below you are lit very very well,

0:38:00.800 --> 0:38:03.400
<v Speaker 1>and just by dimming the lights around those animatronics, you

0:38:03.400 --> 0:38:06.960
<v Speaker 1>can create the effect of ghosts disappearing as their reflections fade.

0:38:07.200 --> 0:38:09.640
<v Speaker 1>So the effect is that you're seeing ghosts flying near

0:38:09.680 --> 0:38:12.840
<v Speaker 1>the ceiling or around the banquet table, when in reality

0:38:13.200 --> 0:38:16.720
<v Speaker 1>they are animatronic figures that are actually above and below

0:38:16.800 --> 0:38:20.719
<v Speaker 1>your doom Buggy spooky. And this sort of effect was

0:38:20.960 --> 0:38:24.040
<v Speaker 1>possible because the ride designers could determine which way the

0:38:24.040 --> 0:38:27.239
<v Speaker 1>audience would be facing. Alright, I got a little bit

0:38:27.280 --> 0:38:29.799
<v Speaker 1>more to say about ride systems before we wrap this up,

0:38:29.880 --> 0:38:39.839
<v Speaker 1>but first let's take another quick break. The omni mover

0:38:40.000 --> 0:38:43.640
<v Speaker 1>system has been used in several rides at Disney, though

0:38:44.040 --> 0:38:46.759
<v Speaker 1>according to Bob Gurr, not all the rides that are

0:38:47.040 --> 0:38:51.760
<v Speaker 1>in constant motion are technically omni mover rides. For example,

0:38:51.960 --> 0:38:55.759
<v Speaker 1>Girl says that the ride system of Spaceship Earth is

0:38:55.800 --> 0:38:59.000
<v Speaker 1>not an omni mover, despite the fact that on casual

0:38:59.040 --> 0:39:01.400
<v Speaker 1>glance it certainly looks like one, and in fact, a

0:39:01.400 --> 0:39:04.880
<v Speaker 1>lot of sources referred to it as an omni mover ride.

0:39:05.400 --> 0:39:07.760
<v Speaker 1>It's the type of ride that is in constant motion

0:39:07.920 --> 0:39:09.799
<v Speaker 1>there's a moving sidewalk for you to get on and

0:39:09.800 --> 0:39:13.400
<v Speaker 1>get off of the ride. I don't know what it

0:39:13.440 --> 0:39:17.560
<v Speaker 1>is specifically that sets it apart, but Girr has said,

0:39:18.040 --> 0:39:21.560
<v Speaker 1>quote it was a one of a kind conveyor, totally

0:39:21.680 --> 0:39:25.400
<v Speaker 1>unlike and sharing no parts with an omni mover end quote.

0:39:25.400 --> 0:39:29.000
<v Speaker 1>And he also said he opposed the ride system so

0:39:29.160 --> 0:39:32.480
<v Speaker 1>much during the development cycle the supervisors moved him to

0:39:32.520 --> 0:39:34.880
<v Speaker 1>another ride rather than have to deal with him anymore.

0:39:35.400 --> 0:39:41.080
<v Speaker 1>But I don't know what the actual differences are. Anyway,

0:39:41.520 --> 0:39:44.480
<v Speaker 1>rather than try and suss out how and why Spaceship

0:39:44.560 --> 0:39:47.839
<v Speaker 1>Earth is different, I figure I would talk about a

0:39:47.880 --> 0:39:52.439
<v Speaker 1>totally separate ride system that was pioneered over at Disneyland.

0:39:52.840 --> 0:39:56.000
<v Speaker 1>That is the Enhanced Motion Vehicle or e m V.

0:39:57.040 --> 0:39:59.960
<v Speaker 1>This system is the one that powers rides like India

0:40:00.200 --> 0:40:04.359
<v Speaker 1>Jones Adventure, the Temple of the Forbidden Eye in Disneyland. Uh,

0:40:04.360 --> 0:40:09.000
<v Speaker 1>There's Dinosaur in Disney's Animal Kingdom, and there's the Crystal

0:40:09.120 --> 0:40:14.520
<v Speaker 1>Skull ride at Tokyo Disneyland. These rides at passengers get

0:40:14.560 --> 0:40:17.120
<v Speaker 1>aboard a vehicle that looks a lot like a jeep,

0:40:17.160 --> 0:40:20.120
<v Speaker 1>although it's a jeep that can see twelve people in

0:40:20.320 --> 0:40:24.040
<v Speaker 1>three rows. I understand that if you were to ride

0:40:24.040 --> 0:40:27.520
<v Speaker 1>with James Williams of Fun House Fame, you'd best allow

0:40:27.600 --> 0:40:29.960
<v Speaker 1>him to be in the driver's seat, because he takes

0:40:30.000 --> 0:40:34.799
<v Speaker 1>that extremely seriously. Passengers experience a wild ride as if

0:40:34.800 --> 0:40:38.720
<v Speaker 1>the vehicle is moving along rugged terrain, taking real sharp

0:40:38.800 --> 0:40:42.759
<v Speaker 1>turns and pitching and rumbling and dipping like crazy, all

0:40:42.800 --> 0:40:47.160
<v Speaker 1>the while the actual ride vehicle is traveling along a nice, flat,

0:40:47.320 --> 0:40:50.640
<v Speaker 1>simple surface. Now the secret here is that you can

0:40:50.640 --> 0:40:54.120
<v Speaker 1>think of the ride vehicle as having three distinct parts.

0:40:54.520 --> 0:40:57.799
<v Speaker 1>The part that you're sitting in, the passenger part is

0:40:57.800 --> 0:41:00.799
<v Speaker 1>called the motion base, and is the bit that gets

0:41:00.840 --> 0:41:03.919
<v Speaker 1>pitched around during the ride, and it simulates a much

0:41:03.920 --> 0:41:07.399
<v Speaker 1>more dramatic scenario than what is actually happening. Then you've

0:41:07.440 --> 0:41:11.800
<v Speaker 1>got the ride vehicle itself, which consists of the hydraulics

0:41:11.800 --> 0:41:15.880
<v Speaker 1>and the pump, and the computer control systems, the motor,

0:41:16.200 --> 0:41:19.040
<v Speaker 1>the wheels, essentially all the stuff to make the actual

0:41:19.160 --> 0:41:22.640
<v Speaker 1>motions and to propel the vehicle. The third part is

0:41:22.719 --> 0:41:27.000
<v Speaker 1>out of sight. It's beneath the floor of the attraction.

0:41:27.360 --> 0:41:30.560
<v Speaker 1>There's again a slot in the floor that part of

0:41:30.560 --> 0:41:34.120
<v Speaker 1>the ride extends down into. And this third part are

0:41:34.600 --> 0:41:37.839
<v Speaker 1>they're well, they're called the bogies. Uh. Sometimes people would

0:41:37.880 --> 0:41:39.919
<v Speaker 1>call them trucks. It really depends on where you're from.

0:41:40.160 --> 0:41:44.040
<v Speaker 1>Bogeis tends to be British North America. People often use

0:41:44.239 --> 0:41:48.400
<v Speaker 1>the word truck to describe this, but it's to describe

0:41:48.400 --> 0:41:52.000
<v Speaker 1>a structure that typically has wheels and axles attached through

0:41:52.040 --> 0:41:56.239
<v Speaker 1>bearings and intended for use on rail systems. So the

0:41:56.239 --> 0:41:59.480
<v Speaker 1>base of a railroad car the wheels that that whole

0:41:59.520 --> 0:42:03.000
<v Speaker 1>structure holds the wheel and axle. That's a bogeye. Now,

0:42:03.000 --> 0:42:06.040
<v Speaker 1>in the case of the rides that I mentioned, the

0:42:06.080 --> 0:42:09.160
<v Speaker 1>tracks and bogies are again below the surface of the floor,

0:42:09.160 --> 0:42:11.120
<v Speaker 1>so you can't see them as you ride the ride.

0:42:11.480 --> 0:42:15.000
<v Speaker 1>The ride vehicle connects to the bogies via posts that

0:42:15.040 --> 0:42:17.719
<v Speaker 1>extend up through that slot on the floor. It's not

0:42:17.760 --> 0:42:21.040
<v Speaker 1>too different from how the omnimover connects, although the actual

0:42:21.080 --> 0:42:24.960
<v Speaker 1>propulsion system is very different from the Omni mover. In fact,

0:42:25.120 --> 0:42:27.719
<v Speaker 1>you could argue in a way it's sort of the

0:42:27.760 --> 0:42:31.600
<v Speaker 1>opposite of the Omni mover, as each vehicle on this

0:42:31.840 --> 0:42:34.960
<v Speaker 1>system is independent of all the others, as opposed to

0:42:35.480 --> 0:42:39.080
<v Speaker 1>moving in concert with them. So each vehicle has two bogies.

0:42:39.239 --> 0:42:41.360
<v Speaker 1>One is in the front and one is in the rear,

0:42:41.880 --> 0:42:44.960
<v Speaker 1>and power flows through the track through the bogies, providing

0:42:45.360 --> 0:42:48.399
<v Speaker 1>electrical power to the vehicles. That four volts and two

0:42:48.480 --> 0:42:53.040
<v Speaker 1>hundred amps. That's impressive. The bogies are also in charge

0:42:53.080 --> 0:42:56.240
<v Speaker 1>of steering the front wheels. They manipulate the front wheels

0:42:56.239 --> 0:43:00.120
<v Speaker 1>of the vehicle mechanically. Um It does this by following

0:43:00.160 --> 0:43:04.280
<v Speaker 1>a tubular guide rail under the floor. The rear wheels

0:43:04.320 --> 0:43:08.440
<v Speaker 1>are also steerable, but those are controlled by actuators aboard

0:43:08.480 --> 0:43:12.839
<v Speaker 1>the actual ride vehicle itself, not the mechanical system that's

0:43:12.880 --> 0:43:15.480
<v Speaker 1>being used by the front wheels and the bogies. The

0:43:15.520 --> 0:43:18.040
<v Speaker 1>top half of the vehicle is really a doozy. It's

0:43:18.120 --> 0:43:21.799
<v Speaker 1>mounted on actuators that can change the pitch, roll, and

0:43:21.960 --> 0:43:25.640
<v Speaker 1>yaw of that section, just as a motion simulator would.

0:43:26.000 --> 0:43:28.399
<v Speaker 1>So you can think of it as like taking a

0:43:28.440 --> 0:43:32.600
<v Speaker 1>motion simulator off of its stationary pedestal and then mounting

0:43:32.640 --> 0:43:35.640
<v Speaker 1>it to the chassis of an electric car. That's what

0:43:35.840 --> 0:43:39.319
<v Speaker 1>one of these things actually is. The effect is that

0:43:39.400 --> 0:43:42.439
<v Speaker 1>the passengers are feeling like they're on board and out

0:43:42.440 --> 0:43:45.600
<v Speaker 1>of control vehicle, but in reality it's it's very much

0:43:45.640 --> 0:43:49.240
<v Speaker 1>controlled and you can simulate all sorts of stuff. For example,

0:43:49.320 --> 0:43:54.720
<v Speaker 1>to simulate rapid acceleration, the actuators can elevate the front

0:43:55.320 --> 0:44:00.480
<v Speaker 1>of the passenger compartment, so the car starts to move forward.

0:44:00.520 --> 0:44:05.719
<v Speaker 1>The actuators increase the incline of the passenger compartment and

0:44:05.800 --> 0:44:08.040
<v Speaker 1>that presses you back in your seat, kind of the

0:44:08.080 --> 0:44:10.960
<v Speaker 1>same way as if you accelerated really quickly. It's all

0:44:11.000 --> 0:44:15.440
<v Speaker 1>just the basic simulator tricks, but added to a moving platform.

0:44:15.480 --> 0:44:19.600
<v Speaker 1>If you were to remove the actuators and the motion platform,

0:44:19.640 --> 0:44:24.240
<v Speaker 1>you would see these simple electric cars following a curvy path,

0:44:24.680 --> 0:44:28.040
<v Speaker 1>and they might stop or slow down occasionally, but otherwise

0:44:28.640 --> 0:44:31.640
<v Speaker 1>they would be pretty boring to watch. It's all those

0:44:31.640 --> 0:44:35.360
<v Speaker 1>simulator tricks that make this an exciting ride. The motion

0:44:35.400 --> 0:44:39.960
<v Speaker 1>platform is mounted on three actuators powered by the hydraulic

0:44:40.040 --> 0:44:44.080
<v Speaker 1>pump in the North American rides. In Japan, it's actually

0:44:44.080 --> 0:44:47.880
<v Speaker 1>an electro magnetic system. Two of those actuators are in

0:44:47.920 --> 0:44:49.839
<v Speaker 1>the front of the vehicle, one is on the left

0:44:49.880 --> 0:44:52.439
<v Speaker 1>side and one is on the right side. The third

0:44:52.480 --> 0:44:56.120
<v Speaker 1>actuator is in the rear center of the vehicle. Individually,

0:44:56.400 --> 0:45:00.440
<v Speaker 1>each actuator can change pitch or roll, but collectively they

0:45:00.440 --> 0:45:03.960
<v Speaker 1>can move along all three thrust planes X, Y, and

0:45:04.040 --> 0:45:07.600
<v Speaker 1>Z and all three rotational axes, so pitch, roll, and

0:45:07.760 --> 0:45:10.800
<v Speaker 1>y'all you get six degrees of motion. The North American

0:45:10.960 --> 0:45:14.800
<v Speaker 1>ride vehicles have a hydraulic pump driven by a fifty

0:45:14.880 --> 0:45:18.719
<v Speaker 1>horsepower electric motor, which means that the electric motor for

0:45:18.840 --> 0:45:22.080
<v Speaker 1>one of these vehicles is fifty times more powerful than

0:45:22.120 --> 0:45:26.160
<v Speaker 1>the electric motor on one of the Peter Pan's flight ships.

0:45:26.560 --> 0:45:29.120
<v Speaker 1>I just thought that was kind of fun. It requires

0:45:29.120 --> 0:45:32.640
<v Speaker 1>about thirty five gallons of hydraulic fluid per vehicle, which

0:45:32.640 --> 0:45:35.560
<v Speaker 1>means that when a hydraulic fluid line breaks, and it

0:45:35.640 --> 0:45:40.200
<v Speaker 1>does happen, it causes a huge mess. That is the

0:45:40.239 --> 0:45:44.520
<v Speaker 1>reason why the Japanese rides don't use hydraulic systems. They

0:45:44.600 --> 0:45:48.680
<v Speaker 1>have very strict environmental laws in Japan, and that's why

0:45:48.680 --> 0:45:51.680
<v Speaker 1>they had to go with an electromagnetic system rather than

0:45:51.880 --> 0:45:55.840
<v Speaker 1>a hydraulic system for those actuators. Uh. Now, there's a

0:45:55.840 --> 0:45:59.120
<v Speaker 1>lot of interesting things about hydraulic systems, but this episode

0:45:59.160 --> 0:46:02.359
<v Speaker 1>is running long already, so I'm just gonna skip that

0:46:02.880 --> 0:46:06.400
<v Speaker 1>and go straight to talking about the computer system that

0:46:06.480 --> 0:46:10.200
<v Speaker 1>controls these actuators. It makes the motion platform move in

0:46:10.280 --> 0:46:13.480
<v Speaker 1>specific ways that fit the narrative of the story, Like

0:46:13.520 --> 0:46:16.200
<v Speaker 1>it wouldn't make sense for the ride to simulate slowing

0:46:16.239 --> 0:46:18.360
<v Speaker 1>down when it's supposed to be speeding up. So the

0:46:18.360 --> 0:46:22.359
<v Speaker 1>computer system has that all coordinated, but it also has

0:46:22.400 --> 0:46:26.120
<v Speaker 1>some quirks built into it. So according to imagineers, they

0:46:26.200 --> 0:46:29.560
<v Speaker 1>programmed each vehicle to have its own kind of personality.

0:46:29.960 --> 0:46:33.560
<v Speaker 1>So one vehicle might be quote unquote afraid of loud noises.

0:46:33.920 --> 0:46:35.680
<v Speaker 1>So if the vehicle gets to a part of the

0:46:35.800 --> 0:46:39.560
<v Speaker 1>ride that triggers a loud noise, the vehicle might suddenly,

0:46:39.560 --> 0:46:42.320
<v Speaker 1>you know, stop as if it were scared. Other vehicles

0:46:42.600 --> 0:46:46.319
<v Speaker 1>might be scared of bugs or an Indiana would really

0:46:46.360 --> 0:46:49.400
<v Speaker 1>relate to this or snakes, And that means that the

0:46:49.520 --> 0:46:53.160
<v Speaker 1>ride experience changes from ride to ride. You can write

0:46:53.200 --> 0:46:55.879
<v Speaker 1>it multiple times and actually get very different experiences, which

0:46:55.880 --> 0:46:59.439
<v Speaker 1>is pretty cool. The computer system allows for variation, something

0:46:59.440 --> 0:47:01.719
<v Speaker 1>that would be in possible with a purely mechanical ride

0:47:01.760 --> 0:47:05.520
<v Speaker 1>like an omnimover ride. There's one effect in the Disneyland

0:47:05.560 --> 0:47:09.120
<v Speaker 1>Indiana Jones ride that is truly bunkers because it's going

0:47:09.160 --> 0:47:12.480
<v Speaker 1>to an extreme in order to simulate something that otherwise

0:47:12.520 --> 0:47:16.680
<v Speaker 1>it's very simple. So at one point in the ride,

0:47:17.320 --> 0:47:21.200
<v Speaker 1>you are on this ride vehicle and you come up

0:47:21.200 --> 0:47:24.560
<v Speaker 1>to Indiana Jones. He's dangling from a vine and the

0:47:24.600 --> 0:47:27.840
<v Speaker 1>boulder from raiders. The lost arics starts to roll down

0:47:27.920 --> 0:47:31.560
<v Speaker 1>towards you. The vehicle tries to back up, but then

0:47:31.600 --> 0:47:34.760
<v Speaker 1>it has to stop because the way back is trapped,

0:47:35.160 --> 0:47:38.600
<v Speaker 1>and so it lunges into motion to move forward and

0:47:38.719 --> 0:47:41.720
<v Speaker 1>move under the boulder before I can crush you. Only

0:47:41.920 --> 0:47:46.040
<v Speaker 1>here's the thing. Those vehicles can't back up. I mean

0:47:46.080 --> 0:47:51.440
<v Speaker 1>they physically cannot go into reverse. So the ride designers

0:47:51.480 --> 0:47:55.320
<v Speaker 1>had to simulate the ride going into reverse, which meant

0:47:55.880 --> 0:48:00.960
<v Speaker 1>they mounted the entire scene, everything that's surrounding you on

0:48:01.239 --> 0:48:05.520
<v Speaker 1>a movable platform. So it looks like you're going in

0:48:05.560 --> 0:48:08.440
<v Speaker 1>reverse because stuff is moving away from you, but the

0:48:08.520 --> 0:48:13.239
<v Speaker 1>vehicle itself is staying still. The motion platform, uh, the

0:48:13.320 --> 0:48:17.440
<v Speaker 1>actual thing on the hydraulics or the actuators, It tilts

0:48:17.560 --> 0:48:20.640
<v Speaker 1>a bit to simulate motion, to simulate that you're actually

0:48:20.840 --> 0:48:25.560
<v Speaker 1>moving backward, but the wheels on the car are not turning. Instead,

0:48:26.040 --> 0:48:28.920
<v Speaker 1>the scene around you is moving away as if the

0:48:28.960 --> 0:48:31.680
<v Speaker 1>car is backing up, which is just plain bunkers. I mean,

0:48:31.760 --> 0:48:34.360
<v Speaker 1>there's an entire section of this ride that has to

0:48:34.400 --> 0:48:37.480
<v Speaker 1>move around the vehicle just to make it seem like

0:48:37.520 --> 0:48:40.600
<v Speaker 1>that car is in reverse. As I mentioned earlier, every

0:48:40.680 --> 0:48:44.800
<v Speaker 1>vehicle on this ride operates independently of all the other vehicles,

0:48:44.880 --> 0:48:49.600
<v Speaker 1>So part of this system is a communications network that

0:48:49.680 --> 0:48:53.359
<v Speaker 1>keeps the overall ride control tower informed of what each

0:48:53.480 --> 0:48:56.600
<v Speaker 1>vehicle is doing and where it is along the ride,

0:48:57.160 --> 0:49:00.520
<v Speaker 1>And every vehicle knows where every other vehicle is because

0:49:00.560 --> 0:49:03.319
<v Speaker 1>of that ride control tower. It sends out information via

0:49:03.480 --> 0:49:07.359
<v Speaker 1>radio signal, and that keeps these vehicles from smashing into

0:49:07.400 --> 0:49:09.200
<v Speaker 1>each other, which I think we can all agree is

0:49:09.239 --> 0:49:11.880
<v Speaker 1>a good thing. The whole path of the ride is

0:49:11.920 --> 0:49:14.680
<v Speaker 1>divided up into blocks. Just as I was talking about

0:49:14.719 --> 0:49:17.680
<v Speaker 1>Peter Pan's flight, same thing is true for this Indiana

0:49:17.760 --> 0:49:21.879
<v Speaker 1>Jones ride. There are segments of the ride that constitute

0:49:21.920 --> 0:49:25.840
<v Speaker 1>a block, and each block has essentially a one vehicle

0:49:26.000 --> 0:49:30.880
<v Speaker 1>limit to it, So the system won't allow another ride

0:49:31.120 --> 0:49:33.920
<v Speaker 1>to go into a block if there is a vehicle

0:49:33.960 --> 0:49:37.520
<v Speaker 1>they're already. It will slow things down and control it

0:49:37.640 --> 0:49:41.000
<v Speaker 1>so that a vehicle can clear a block before a

0:49:41.040 --> 0:49:44.840
<v Speaker 1>second vehicle can enter it, and the vehicles also trigger

0:49:44.920 --> 0:49:47.280
<v Speaker 1>ride elements as the cars go through the ride. System

0:49:47.480 --> 0:49:50.720
<v Speaker 1>so that specific sound effects and special effects and vehicle

0:49:50.760 --> 0:49:54.080
<v Speaker 1>motions are all aligned properly. And to do all of this,

0:49:54.280 --> 0:49:59.400
<v Speaker 1>every single car has sixteen gigabytes of programmable memory. Technically

0:49:59.440 --> 0:50:02.120
<v Speaker 1>it's redo the memory, but it's read only memory that

0:50:02.160 --> 0:50:07.000
<v Speaker 1>you can erase and reprogram, which sounds counterintuitive if you

0:50:07.040 --> 0:50:10.880
<v Speaker 1>know anything about read only memory. And of course there

0:50:10.880 --> 0:50:13.600
<v Speaker 1>are tons of other ride systems we can talk about,

0:50:13.800 --> 0:50:16.160
<v Speaker 1>and I maybe I'll do a second episode to kind

0:50:16.160 --> 0:50:18.120
<v Speaker 1>of cover some of those, like some of the boat

0:50:18.200 --> 0:50:22.880
<v Speaker 1>based systems, or the submersible ride, or some of the

0:50:22.920 --> 0:50:25.799
<v Speaker 1>others like Sarin, and talk about how those work. But

0:50:25.920 --> 0:50:28.960
<v Speaker 1>for now, this has been more than enough. I've been

0:50:28.960 --> 0:50:32.640
<v Speaker 1>going on for about Disney for way too long, so

0:50:32.800 --> 0:50:35.239
<v Speaker 1>I'm going to conclude this. If you guys have suggestions

0:50:35.280 --> 0:50:37.359
<v Speaker 1>for future topics I should cover and tech stuff, whether

0:50:37.360 --> 0:50:41.560
<v Speaker 1>it's a technology, a company, maybe it's a theme and

0:50:41.680 --> 0:50:44.520
<v Speaker 1>tech anything like that, let me know. Send me a

0:50:44.560 --> 0:50:46.799
<v Speaker 1>message on Twitter. The handle for the show is tech

0:50:46.840 --> 0:50:51.160
<v Speaker 1>Stuff hs W, and I'll talk to you again really soon.

0:50:56.280 --> 0:50:59.319
<v Speaker 1>Text Stuff is an I Heart Radio production. For more

0:50:59.360 --> 0:51:02.760
<v Speaker 1>podcasts from I Heart Radio, visit the I Heart Radio app,

0:51:02.880 --> 0:51:06.040
<v Speaker 1>Apple Podcasts, or wherever you listen to your favorite shows.

0:51:10.560 --> 0:51:10.600
<v Speaker 1>H