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I know it looks like we have fun on this show, but we spend weeks and sometimes months planning how to do our myths

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safely, so please

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Don't try this at home

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On this episode of mythbusters

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There's crashes

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Birds and historical high flying rocket rides

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First up Adam and Jamie test the filmic fable that a cliff drive crash

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Always ends in a flaming inferno

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Then Carrie Grant and Tori tackle up a listing glass from the past

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So today on mythbusters real-life rocket science

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400 years ago did the world's first rocket year really ride a rocket 1,000 feet into the air and survive

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You

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Are the mythbusters

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Adam Savage that is science and Jamie Heidemann things are gonna start to get a little crazy in here

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Between them more than 30 years of special effects experience joining them

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Carrie Byron

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Grant imma hara it's lethal people and Tori Bellachy

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Not at all fire they don't just tell the bits are you ready? I'm ready they put them to the test

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Check this out so last night I'm watching this action movie and this car goes off a cliff really you watching a movie

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Have a hard time picturing that for some reason yeah

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Well anyway, so this car goes off a cliff and it explodes into a giant fireball

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Yeah, they always seem to do that and that's what started me thinking

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Maybe this is something that we should test that every car that goes off a cliff equals an exploding fireball sounds like fun

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Don't know it does

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It's a tumbling tall tail from Tinseltown that always ends with a bang

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But does a cliff dive with a tank full of gas mean explosive car carnage is guaranteed

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Or is this just more fake physics on film?

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So a plan

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Yeah plan. Are you thinking what I'm thinking? I think so but man

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It's gonna be hard to find four oak doors and 30 pounds of grease chain. No, that's not what I'm thinking

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I'm thinking a car a cliff. We toss one off the other you know. Yeah, yeah, that would work too

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Yeah

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As plans go they don't come any simpler

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So the guys head for angels camp quarry where their car will quite literally meet the end of the road

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And here's their victim and their mechanical method for sending it over the edge. This is how this is gonna work

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It's about as simple and down and dirty as you can possibly get

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First off we have to start the car

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We put it in drive

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But it doesn't actually go anywhere because we've got this piece of wood under the rear wheel and also it's idling

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Jocks in place. It doesn't go anywhere until we release this rope. I can just reach out and cut that at which point

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This is the lead foot the accelerator presses down and off she goes sounds dangerously simple

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What could possibly go wrong?

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What's gonna happen with this car?

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Well, it's gonna go off the cliff

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Okay, I'm leaning inside and turning on the car whether it bursts into flames or not personally. I think

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That situation is a freak accident. Okay, the car is on

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I don't think it's gonna happen unless we make it happen. All right, Jamie. Are you ready? Adam's ready?

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Jamie's ready. Okay, the car is in gear and resting on the chocks

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Safety check now, but the star the car is a little too ready. Oh, the car is going

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And it stopped

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Oh

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Crap did it blow up the car did not repeat not blow up apparently

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It jumped the gun

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The car is going and it went off its chalk before Adam had time to cut the rope let the weight drop do what it was supposed to do

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We are clearly gonna need a better launch method a myth buster motto is be prepared

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So bring in the spare car and cue launch method number two and this time heavy lifting is required

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Well, you know what they say if you don't succeed

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Try again. So that's what we're gonna do and this time we're using this car steering lot

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I was hesitating about using it because it's a stick shift

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And which means I can't just put it in gear and wait till i'm ready and gun it have it go off

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Oh, yeah, plus we had a problem with the chocks. So I put two and two together

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I figured well, what if we pick this up with a heavy duty forklift

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Okay, that's good. You can kill it

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And then we can just get it going rev it up and then lower it and it'll just take off simple

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Jamie gets the engine going puts it in gear and pins the pedal to the metal ready and set

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So this is it and never mind the burn this time will we even get the crash the myth requires?

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Tell me what happened I can't see from up here. It was quite spectacular

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I've got a hundred and twenty feet below you, but no explosion or I'd see smoke by now, right?

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Now that's a negative on the explosion

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Bama

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Reality makes a crappy special effects crew

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Yep, despite getting the perfect car cliff dive this action movie stunt didn't end with the obligatory explosive bang

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And after a little csi crash scene investigation, jayme knows why there's the gas tank

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It's hardly been touched. No wonder there wasn't any fire

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Yeah, it's perfect looking at the underside of this car. It's obvious why it didn't burst into flames

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They've put the gas tank in the best possible position. It's protected by the wheels

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It's kind of in the middle if they put it on the end of the car or on the front of the car

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It'd be more likely to receive an impact. I think we're going to need something a little more radical

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Okay, rocket man, what is this one all about? Okay, well first check out these pictures while I tell you the story

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Lagari Hisan was an Ottoman Turk who according to myth was the first person to have made a successful manned rocket flight back in

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1633 he took off vertically and apparently reached an altitude of 300 meters before climbing out mid-air

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Opening some sort of wing device and descending back to earth as the world's first rocket here

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Can he use rockets to send a cage with the person inside of it?

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Up 300 meters and then have them deploy some sort of wing to float back down to earth safely

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This build is going to be awesome

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It's a missile history mystery in 1633

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There are several colorful accounts of an otto man rocket man taking the world's first rocket ride

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But to find out if lagari hasan really was a rocket year pioneer

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The team is picking three concrete parameters common to each account

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Did he really reach the 1 000 feet from the fable?

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Were the wings a viable method for his descent?

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And finally could he have even survived?

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All right, so there are a lot of unknowns to this one

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I mean did the thrust come from a single engine like in your picture or was it multiple rockets like in this picture?

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And there's no design for the wing system. I mean were they true wings or was it more like a parachute?

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Okay, with so many questions let's start with small scale and put aside the whole

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Flying back down to earth thing until later

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We'll build miniature versions of these two designs and see which one flies better

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Which one is more stable and we use the design that performs the best and go full scale. All right. Let's go to work

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So unfortunately with myths of this kind, there's no one single version of the story

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Which means that there's no one definitive rocket design for us to build. I have my materials

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I have my rockets and I have my rocket dude. Most importantly

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I have my design so tori's gonna build his version

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Which is a half page and multiple rockets looking at this picture

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The first thing I notice is he's got a mustache and I'm gonna build the version that's in my reference

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Which is a fully enclosed cage pointy top and a single rocket motor

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And with the two designs rigged and ready for their maiden test flight

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The team heads for the hills and the perfect launch location

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So we are here at missile launch site 88 in the marine headlands

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Which is part of the golden gate national recreational area

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Now this facility was built during the cold war as part of an anti aircraft missile defense system

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Behind me is a nike hercules missile capable of carrying up to a 40 kiloton nuclear payload

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Gotta love a man in uniform. Here's the interesting thing

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No missile has ever been launched from this site. That is

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Until today launch pad launch path now the whole point of the small scale test is to find out which design

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Is the best for when we go build the large scale rocket now

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We know from the past trying to get rockets to go off at the same time have been a huge problem

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Anybody remember 360 degree swing step?

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Whoa

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And tori's solution to this sticky simultaneous launch issue is black powder

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Don't worry. You will not be forgotten

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And remote ignition the burning ring of black powder should fire all seven engines at the same time

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All right, so we're all wired up ready for our multi rocket launch. You guys ready? All right. Give us countdown. All right. Here we go. Three two one

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Wow, that was great

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Oh

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Best part about watching tori's launches the fact that we all started running towards the rocket to go get it

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Nobody had a fire extinguisher in hand. So it was a little uh three stooges. All right. We're all good

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I'm not sure which one of them I am. I think I might be curly

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Despite the slapstick safety protocols rocket science 101 is going pretty well

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The vertical launch was stable at least initially and the height of the flight was good

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That's the benchmark add up next for a little ballistic show and tell is grant

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Will his single engine cage design do any better? Here we go in three two one

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Oh

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That was exciting

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How'd you make it so it would come at us? Yeah, okay?

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Almost killed the entire crew so it looks like grant's design has a fatal flaw

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But he wants to make sure in three two one

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So the good news is that the second rocket performed the same as the first rocket without trying to kill us this time

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Unfortunately, I still have some lingering stability issues

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And that's the key a vertical stable launch will be the most important aspect of the design after all to work

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It's got to thrust our rocketeer 300 meters safely into the air

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And to tie all their ideas together. It's back to the uh, lair

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Next adam and jayme put this myth on burn notice

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Wow

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then

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Oh my goodness hang gliding fun science research all the above

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Hey attention class, we're going to recap here the myth is that any car going off any cliff will explode into a ball of fire

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Now we've crashed two cars so far and we haven't seen that happen

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so

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Not looking so good for the myth. That's a negative on the explosion

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Bama, but the question I have is are there any circumstances under which it could happen

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So despite two busted cars and one near busted myth the guys aren't quite done

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Down home at the bomb range. They want to know how far from the truth. Hollywood is strained

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They're looking under the hood of this myth and asking under impact will an exposed gas tank even explode

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This whole thing seems to me to be just about the gas tank

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Now based on previous experience the idea that a gas tank would just explode

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Doesn't seem plausible

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Obviously nothing caught on fire we bathed them in fire and we still didn't see any kind of a gas tank explosion

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That leads me to think that the only way that this is going to occur is if we squash that tank like a bug

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And all the gas inside it erupts outward in a big ball of mist

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Which if we ignite it, I'm pretty sure it'll burst into a ball of flame

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So they're trying to recreate the perfect set of circumstances under which this myth could work

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The car lands on a rock and the gas tank is crushed spraying the fuel into a deadly mist

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That's one big fireball in potencia

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And at exactly the same time the impact of metal on rock creates an ignition spark

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To find out if that sequence of events will in fact create a hollywood style fireball

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They're going to use matches to guarantee the spark and drop 3 000 pounds the weight of a car onto the gas tank

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Now we're going for a big boom ready?

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I'm ready flatten gas tank with actual gas in it in

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three two one

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Wow

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That was beautiful

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It truly is the impact disperses the gas into a volatile mist

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And then just at the right moment the simulated spark from impact causes ignition

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And it perfectly matches the typical car off a cliff hollywood style

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Conflagration, but where does that leave the story? Look at this high-speed shot one more time

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Yeah, I don't think anyone would dispute that this

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Is the fireball we were looking for

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Can we induce this kind of tank failure in a car under a real circumstance? Well, there's only one way to find out

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From icarus and leonardo to the right brothers the history of flight is a soaring tale of the triumph of invention

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Over gravity, but it's also a rich source of tall tales and exaggerated claims

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The question is where does legari has sand fitted flight of fancy or realized 17th century rocket-tier pioneer

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So despite the fact that your rocket flew better on the day

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I think in the full scale we should take the best design elements from both agree, but i'm a little hesitant to use multiple rockets

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Yeah, you know what? I feel the same way. I mean, it's like yeah, it worked on the model rocket

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But when we go to full scale trying to get several rockets to go off at the same time

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You're asking for trouble. So why don't we do this? We'll take the shuttle design from this

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We'll take the single rocket engine from this design

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We'll put the two together when we go build the full scale rocket. I totally second that

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All right

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Sounds like all we need to do is build the full scale rocket and add a simulated pilot

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But not just any simulator a simulated with wings

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Yeah, the wings aspect is really awkward and it's not represented in either of our illustrations

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But the history books did say he climbed out of the rocket deployed some sort of wing device

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And flew safely down to earth

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Well, we know from our plywood builder episode that in order to safely descend you need a big wing

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Not just like an umbrella. I mean a huge surface

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Well, you know if legari had the technology to build a rocket, maybe he had the technology to build some kind of gliding wing

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Kind of like a hang glider. You're saying you want to go hang gliding? Oh, yes

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Oh, yeah

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Oh being pregnant on mythbusters is so unfair

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So with her baby bump aerodynamics less than stellar carry is obviously grounded for this one

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So we're here at fort funston, which is a mecca for hang glider

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In terms of the myth what we're looking for here is a kind of a reality check

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Now did the diapers go on before or after we get into the hang glider?

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It's supposed to have them on before we get in

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In the myth they describe wings. Is this slimming? It's good on you. We're just here to see if this is even possible

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If this is something we could incorporate into our build to simulate that part of the myth

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Now getting our rocket into the air is only half of this myth. Oh my goodness

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The other half is the fact that our rocket man had some sort of wing system that got him safely back down to the earth

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Woohoo!

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So Tori and Brant are going to collect a little practical data for me

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Remember to gather the data!

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They're going to check out all the aspects of this which are the takeoff the flight

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Look out rocket man, here we come

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The control in the air and the landing they need to come down and tell me all of the things

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I need to know so that I can maybe make some sort of wing system that'll get our rocket man down

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Ah

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Nice, really?

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Oh my god, that was insane. You know as soon as I took off all the fear went away and it was like you were in a dream and you were just floating

221
00:19:12,120 --> 00:19:15,160
I mean it was just like flying I guess because it was flying

222
00:19:15,640 --> 00:19:19,880
This is all about getting back to earth safely now on the plus side

223
00:19:20,600 --> 00:19:25,800
You don't need any electricity. You don't need any gasoline. You don't need a propeller. Yeah

224
00:19:27,560 --> 00:19:32,440
You could just float down and I think it's highly likely you could safely land

225
00:19:32,920 --> 00:19:37,640
Without any power, but on the minus side you need a huge airfoil

226
00:19:37,720 --> 00:19:40,760
you need a huge surface area in order to do that and

227
00:19:41,400 --> 00:19:46,520
What's more you'd have to deploy that at the apex of your rocket's trajectory

228
00:19:46,840 --> 00:19:53,400
I just don't see that happening. We're gonna have to figure out another way to get our rocket man to land safely on the ground

229
00:19:54,040 --> 00:20:00,040
So what does all that mean for the myth? Well with one of the three key criteria almost written off

230
00:20:00,360 --> 00:20:04,040
There's a danger that this myth is about to crash and burn

231
00:20:04,600 --> 00:20:06,600
after the break

232
00:20:07,640 --> 00:20:13,100
Our intrepid trio of rocket scientists build big and touchdown

233
00:20:13,500 --> 00:20:15,500
Carey

234
00:20:20,940 --> 00:20:24,140
Carrie Grant and Tori have discovered that as per the myth

235
00:20:24,540 --> 00:20:27,980
Using a wing system to float back to earth is a breeze

236
00:20:28,460 --> 00:20:35,020
But equally there is no way you could deploy a full-sized hang glider from the confines of the

237
00:20:35,420 --> 00:20:41,340
mythical man-sized rocket shuttle and that means okay, so a huge wing system is out

238
00:20:41,420 --> 00:20:45,100
But there are so many different versions of this myth and in at least one variation

239
00:20:45,180 --> 00:20:49,900
I heard a vague reference to something that sounded a little bit more like a parachute and I say we go with that

240
00:20:50,300 --> 00:20:52,780
That would work a parachute would be a great idea. However

241
00:20:53,420 --> 00:20:57,260
Our rocket man is a simulate. How's he gonna jump out of the rocket and pull a shoot?

242
00:20:57,500 --> 00:21:01,020
Okay, I'll give you that but let me start working on a self-deploying parachute system

243
00:21:01,180 --> 00:21:05,900
Well in that case, I think we're ready to go full scale. We'll build the rocket install the parachute system

244
00:21:06,220 --> 00:21:08,220
Go to the desert and see if this thing works

245
00:21:08,940 --> 00:21:14,300
So while Tori shapes the open top shuttle grant will machine the housing for the rocket engine

246
00:21:14,620 --> 00:21:18,460
And Carrie will take care of the pilot's self-deploying parachute

247
00:21:19,100 --> 00:21:25,500
By dividing they're attempting to conquer what is looking like their trickiest and most technical build ever

248
00:21:26,540 --> 00:21:29,260
So today on myth busters real live rocket science

249
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I'm going to start out by building the first critical component of the rocket the rocket nozzle with this

250
00:21:35,420 --> 00:21:40,220
Yes, it looks like a giant chunk of steel and it is but when I'm done it's going to be a rocket nozzle

251
00:21:41,020 --> 00:21:45,500
While grant labors away on the lathe there's a delivery for a mr. Belay cheat

252
00:21:45,980 --> 00:21:49,920
Show us the rocket body's in and yeah, he's excited

253
00:21:51,420 --> 00:21:56,220
Rocket man, it's the body of our rocket. Okay. I know it looks like a big giant steel tube

254
00:21:56,460 --> 00:22:01,020
But use your imagination once we get some fins on it. We reinforce the inside we put an engine in it

255
00:22:01,180 --> 00:22:05,180
We put rocket man inside this is going to be awesome

256
00:22:07,420 --> 00:22:11,180
We're making a rocket cue the patented myth buster montage

257
00:22:12,940 --> 00:22:19,500
While Tori reinforces the shuttle body to withstand the engine's thrust adds fins for flight stability

258
00:22:20,780 --> 00:22:24,220
It's starting to look like a rocket grant slices steel

259
00:22:24,620 --> 00:22:31,100
Grines graphite and machines the engine that will hold the propellant to be inserted just before blast off

260
00:22:32,700 --> 00:22:36,300
So up till now Tori's been working on the body of the rocket and I

261
00:22:36,940 --> 00:22:38,940
Have been working on the motor

262
00:22:39,180 --> 00:22:43,580
But this is the point where we bring the two together and figure out our mounting system

263
00:22:44,940 --> 00:22:47,740
So i'm about to build the bracket that is going to hold our engine now

264
00:22:47,740 --> 00:22:53,740
It is important that this area is very strong because what we don't want happening is that engine breaking free of our shuttle

265
00:22:53,900 --> 00:22:55,980
So i'm going to be using a little bit thicker steel

266
00:22:56,700 --> 00:22:59,820
Now another important thing is the placement of the engine

267
00:23:00,060 --> 00:23:07,020
It has to be dead centered and it has to be perpendicular to the ground because when we go to launch we want a true vertical launch

268
00:23:08,220 --> 00:23:09,900
Yeah, we're in

269
00:23:09,900 --> 00:23:13,660
So now the body and the engine are all one as one

270
00:23:14,380 --> 00:23:19,980
Complete rocket now all we need is a rocket man and the parachute to recover them

271
00:23:20,380 --> 00:23:21,980
We are good to go

272
00:23:21,980 --> 00:23:28,380
So it's over to Carrie and her substitute for the wing of the myth a parachute for our crash test

273
00:23:28,540 --> 00:23:32,940
Rocketeer, okay, so I have my canister built and I have a parachute packed inside

274
00:23:33,260 --> 00:23:36,700
Now there's a few more layers to make this self deploying system

275
00:23:37,020 --> 00:23:39,020
The next layer is going to be

276
00:23:39,180 --> 00:23:44,540
My spring-loaded pilot chute which takes about 25 pounds of force to completely compress

277
00:23:45,100 --> 00:23:47,740
On top of this I will have a little bit of black powder

278
00:23:48,060 --> 00:23:52,540
sandwiched between the pilot chute and the lid the pyro technic go in

279
00:23:53,740 --> 00:23:58,540
There the way that this actually ignites is I have an electric igniter hooked up to some wires

280
00:23:58,860 --> 00:24:02,380
So that once I touch those wires to a battery will blow off the lid

281
00:24:02,540 --> 00:24:05,100
You ever try to pack one of those peanut brittle cans with a snake in it?

282
00:24:09,980 --> 00:24:11,500
Sometimes that happens

283
00:24:11,500 --> 00:24:16,700
The spring will jump out pulling the pilot chute and then pulling the regular parachute

284
00:24:16,860 --> 00:24:18,860
Which will be attached to our simulate

285
00:24:19,420 --> 00:24:21,420
And be able to pull him to freedom

286
00:24:22,060 --> 00:24:26,780
To put the parachute through its paces grant and carry head down to treasure island

287
00:24:27,020 --> 00:24:29,900
Attach it to the truck and get set for a test run

288
00:24:30,460 --> 00:24:35,180
Okay, so here to test carry self deploying parachute system run a closed off street

289
00:24:35,740 --> 00:24:40,700
Directly adjacent to the bay. I'm going to drive down the middle of the street go. Okay

290
00:24:42,060 --> 00:24:45,340
Reach the mark carry is going to hit the bunny and hopefully

291
00:24:45,740 --> 00:24:49,740
Deploy the parachute by blowing off the top with the pyro technic

292
00:24:51,180 --> 00:24:54,780
Little guide chute comes out 55 and the whole thing goes up

293
00:25:05,260 --> 00:25:08,460
I'm feeling so much better about this whole parachute deployment

294
00:25:08,460 --> 00:25:12,940
We found out the after it blows off that our pilot chute will pull our main chute out of the container

295
00:25:13,340 --> 00:25:16,780
And that that parachute has enough lift to hold our rocket man

296
00:25:17,020 --> 00:25:22,860
So now all we need is to not explode on the launch pad get stable flight all the way up to apogee. What can go wrong?

297
00:25:24,380 --> 00:25:30,540
Back at the shop the final step of fitting our rocket man with his tailor-made parachute is quickly complete

298
00:25:31,020 --> 00:25:33,980
And the countdown to the countdown is on

299
00:25:35,580 --> 00:25:37,580
Have fun with rocket man. All right

300
00:25:37,820 --> 00:25:41,500
Have fun having a baby. Thank you. Bye. Bye

301
00:25:44,700 --> 00:25:46,460
Is that my water?

302
00:25:46,460 --> 00:25:48,460
This whole thing could just crash and burn

303
00:25:48,860 --> 00:25:52,460
We need to go to the desert tessus. Bye guys have fun in the desert

304
00:25:53,420 --> 00:25:55,420
It's never gonna work

305
00:25:55,740 --> 00:26:00,780
Up next look at christmas present of death the myth that keeps on giving

306
00:26:07,740 --> 00:26:11,660
Don't try anything you've seen on the show at home. We are what you're called experts

307
00:26:16,540 --> 00:26:21,580
Adam and jayme have discovered that not every cliff drive dive ends in a bank

308
00:26:23,340 --> 00:26:28,700
But at the bomb range they found a hollywood style gas tank explosion was possible

309
00:26:31,740 --> 00:26:36,300
And we've determined that this pretty much rests upon the gas tank of the car being compromised in such a way

310
00:26:36,300 --> 00:26:39,980
Is to release all of its fuel simultaneously and being sparked into an explosion

311
00:26:40,620 --> 00:26:44,140
Which we've pretty much determined as a one in gazillion chance

312
00:26:45,420 --> 00:26:50,380
I mean we could spend weeks throwing cars over cliffs until one of them landed perfectly on a rock

313
00:26:51,020 --> 00:26:53,180
But we don't have the time or the energy to do that

314
00:26:53,820 --> 00:26:55,340
time for some

315
00:26:55,340 --> 00:26:57,180
modifications

316
00:26:57,180 --> 00:27:04,460
So back at angels camp quarry using what they've learned they're going to tweak the odds from one at a gazillion to one in one

317
00:27:05,420 --> 00:27:11,260
As we've learned at this point they intentionally put gas tanks out of harm's way on cars. Oh that ought to do it

318
00:27:12,380 --> 00:27:14,300
It makes sense that they would do that

319
00:27:14,300 --> 00:27:19,580
But if we're going to get a movie like explosion, we need to put the gas tank in harm's way

320
00:27:19,740 --> 00:27:21,340
Where's it all happening?

321
00:27:21,340 --> 00:27:23,180
Well, it's all happening

322
00:27:23,180 --> 00:27:25,340
Right there of course. So our solution is

323
00:27:26,540 --> 00:27:33,180
Strap the gas tank right to the front of the car. Okay, that's it. All right for a spark. Yeah, I knew you were wondering about that

324
00:27:33,260 --> 00:27:39,500
We're not throwing it over a flint mountain. No, we're going to use strike anywhere matches like a christmas present of death

325
00:27:39,740 --> 00:27:43,500
Which in this case, I'd like to think of as strike just where we want the mattress

326
00:27:44,460 --> 00:27:48,220
And so with everything set adam and jayme take up their positions

327
00:27:48,460 --> 00:27:52,380
Atop the mountain with the car and across the valley for the perfect view

328
00:27:54,140 --> 00:27:59,900
All that's left is for jayme to get the motor running remember to take off the park brake and stand back

329
00:28:04,140 --> 00:28:06,140
Oh

330
00:28:19,660 --> 00:28:26,460
Well as per the experiment design the gas tank took the brunt of the impact and did burst into flames

331
00:28:27,020 --> 00:28:29,340
But it didn't go exactly to plan

332
00:28:30,060 --> 00:28:32,060
And

333
00:28:32,700 --> 00:28:34,700
Jayme's about to spill the beans

334
00:28:35,500 --> 00:28:42,140
So I have a little bit of a confession to make what's that there was a screw up here and I I suppose it was my fault

335
00:28:42,860 --> 00:28:44,460
um

336
00:28:44,460 --> 00:28:49,100
You should always remember to take off the parking brake before you want a car to go

337
00:28:53,260 --> 00:28:57,740
I know the front wheels are spinning away it was like it looked like it was working fine and I just like

338
00:29:00,140 --> 00:29:02,140
Oh

339
00:29:02,220 --> 00:29:06,860
Well, you know it went over it hit with all the weight of that car going right on that

340
00:29:07,980 --> 00:29:09,980
The hit was perfect nose down

341
00:29:11,340 --> 00:29:13,340
I'm still a little bummed, but uh

342
00:29:14,140 --> 00:29:16,140
What are you gonna do?

343
00:29:16,140 --> 00:29:20,540
So they didn't get the distance they were looking for but the result is still valid

344
00:29:20,620 --> 00:29:23,900
The car went over the cliff crashed and burned

345
00:29:24,220 --> 00:29:27,340
But crucially there was no special effects style

346
00:29:27,500 --> 00:29:34,380
Explosion I think this makes the myth totally busted. Yeah, I mean we made it as likely as possible to get a car explosion

347
00:29:34,460 --> 00:29:42,540
Yeah, all we got was a car fire eventually. I mean, I don't know what else we could do except say myth busted and somehow

348
00:29:43,260 --> 00:29:45,660
Achieve a car explosion

349
00:29:45,660 --> 00:29:47,660
Hmm

350
00:29:53,740 --> 00:30:00,540
Tori and Grant have deserted carry for a deserted destination in the desert the white sands missile range

351
00:30:00,700 --> 00:30:05,260
Do you believe we're actually using a real working launch pad to launch our rocket?

352
00:30:06,300 --> 00:30:11,340
So what makes white sands missile range a really great choice for our experiment is that they've got a lot of space

353
00:30:11,740 --> 00:30:15,420
It's crazy. All right. Let's get the beast out. I gotta go to the bathroom

354
00:30:15,660 --> 00:30:19,020
It's 40 miles in one direction and 100 miles in the other direction

355
00:30:22,380 --> 00:30:25,580
But another great thing is that this is actually a historical site

356
00:30:25,980 --> 00:30:29,420
Behind me is a launch gantry for the v2 rocket

357
00:30:29,580 --> 00:30:33,580
Which was critical to the development of american rocket and missile technology

358
00:30:33,820 --> 00:30:36,380
It led to the first pictures of the curvature of the earth

359
00:30:36,940 --> 00:30:41,180
And eventually to the apollo space program. This rocket science is fun

360
00:30:41,660 --> 00:30:43,900
Which by the way put men in space

361
00:30:44,460 --> 00:30:46,780
Which is pretty much what we hope to do today

362
00:30:47,580 --> 00:30:50,860
Good into space may be a tad ambitious

363
00:30:51,020 --> 00:30:56,620
But matching the key criteria of the myth a flight height of a thousand feet and a safe

364
00:30:57,260 --> 00:31:02,780
Survival descent is within their sights. So i'm here at ground zero. This is where we're going to launch the rocket from

365
00:31:03,020 --> 00:31:07,500
Got the shuttle right here inside is going to go buster along with this parachute system

366
00:31:07,740 --> 00:31:12,460
And then the engine goes in the bottom now for safety. We have to aim the rocket down range

367
00:31:12,620 --> 00:31:15,100
So off of vertical and to do that

368
00:31:15,660 --> 00:31:19,180
We need to eat a guide rail what I have here is a 12 foot pipe

369
00:31:21,100 --> 00:31:26,940
This pipe will slide through these rings, which is attached to the rocket once we get the rocket to that 85 degrees that we're looking for

370
00:31:27,980 --> 00:31:34,700
Perfect, I will weld it to the treads plate this way. We have stability for at least 12 feet till the rocket gets off of the guide rail

371
00:31:35,420 --> 00:31:40,060
Now all we need to do is grease up the pole and then it's time to load up the rocket motor

372
00:31:40,060 --> 00:31:47,660
Q aero jet with over 70 years designing and perfecting solid and liquid state rocket motors

373
00:31:48,140 --> 00:31:53,820
They're the perfect people to help out. All right. Okay. So what do we got? Well, we have our two propellant cartridges

374
00:31:54,220 --> 00:32:00,300
The propellant is a mixture of ammonium perchlorate, aluminum powder and a synthetic rubber binder called htpb

375
00:32:00,940 --> 00:32:02,940
Exactly what I was thinking right now sounds good to me

376
00:32:03,260 --> 00:32:06,380
Oh and in case you're wondering why we're not using black powder

377
00:32:06,700 --> 00:32:11,260
Here's grant so we're using 15 pounds of modern-day solid rocket propellant

378
00:32:11,420 --> 00:32:16,700
Which is the direct equivalent of the 140 pounds of black powder that's stated in a minute

379
00:32:17,100 --> 00:32:19,740
That'll give us a burn time of 3.8 seconds

380
00:32:20,300 --> 00:32:26,220
950 pounds of thrust and resulting in just under two g's of acceleration on the rocket

381
00:32:26,700 --> 00:32:29,580
Which is a prerequisite for survivability

382
00:32:30,620 --> 00:32:32,940
Which means they're ready to lock and load

383
00:32:33,740 --> 00:32:35,580
Okay, here's what we got

384
00:32:35,660 --> 00:32:40,860
Steel motor casing inside of that carries two propellant cartridges slide right in one right after the other

385
00:32:41,100 --> 00:32:45,820
On top of that is an igniter the igniter wires go right down the middle and out the nozzle

386
00:32:46,300 --> 00:32:50,940
On top of that is an insulator plate a spacer and then you bolt on the head cap

387
00:32:51,580 --> 00:32:53,820
You take that whole assembly over to the rocket

388
00:32:56,700 --> 00:33:02,140
Okay, it's cool. It's cool. It's cool. Whoo. That was close. We connect up the wires and we are good to go

389
00:33:03,580 --> 00:33:05,020
Beautiful

390
00:33:05,100 --> 00:33:09,740
I'm starting to get excited. We got the rocket on the launch pad. We got the motor installed

391
00:33:10,060 --> 00:33:15,420
Now all we need to do is dress buster put the parachute deployment system in place wire it up flip the switch

392
00:33:15,980 --> 00:33:17,980
and then it's

393
00:33:21,500 --> 00:33:25,500
Coming up tori and grant light up on lift off

394
00:33:35,580 --> 00:33:38,940
We're back and this is where we're at. We've done all the small scale tests

395
00:33:41,340 --> 00:33:44,220
We've done all the designing and building great lift off

396
00:33:44,860 --> 00:33:48,060
This is the best design that we've come up with for our full scale test

397
00:33:48,220 --> 00:33:54,380
Now it's time to test this turkish myth was legari able to build a rocket with 17th century technology

398
00:33:54,700 --> 00:34:00,140
Launched himself a thousand feet into the air jumped out of it and lands safely to earth with some kind of wing system

399
00:34:01,100 --> 00:34:07,180
I go get the pants when did he get duct tape underwear? Well, that is what we're about to find out

400
00:34:07,740 --> 00:34:13,500
After an unfortunate makeover session our auto man rocket man looks the park perfect

401
00:34:14,300 --> 00:34:18,700
Looks great, but it's not those period details that are troubling grand

402
00:34:18,780 --> 00:34:22,460
So there are a few difficulties with the historical count of legari hassan's flight

403
00:34:22,860 --> 00:34:29,820
First of all the 140 pounds of black powder that he's supposed to abuse as his propellant would have been extremely dangerous to handle

404
00:34:30,140 --> 00:34:36,380
Not to mention containing all of that explosive force and converting it to thrust would have been extremely difficult

405
00:34:37,020 --> 00:34:39,500
Dude, this is almost there. You ready rocket man?

406
00:34:39,740 --> 00:34:46,700
Second the materials that we have available today all the modern steel alloys and all the fabrication techniques like welding

407
00:34:47,260 --> 00:34:49,260
He didn't have any of that

408
00:34:49,260 --> 00:34:51,260
Now that having been said

409
00:34:51,260 --> 00:34:56,700
We've chosen the propellant and have the same thrust characteristics to the amount of black powder that he had

410
00:34:57,260 --> 00:35:03,980
Second we've taken all the historical accounts all of those renderings all those drawings and use that to design our rockets

411
00:35:04,060 --> 00:35:09,100
That it has similar shape and similar weight give us a little slack over here

412
00:35:09,500 --> 00:35:11,500
If this rocket doesn't fly

413
00:35:11,740 --> 00:35:16,620
I find it very difficult to believe that legari hassan would have been able to do it in his day

414
00:35:22,140 --> 00:35:23,980
We're here can you believe it?

415
00:35:24,060 --> 00:35:28,060
We're at an actual missile testing facility with a real mission control

416
00:35:28,620 --> 00:35:30,620
We're ready for final arming at this time

417
00:35:31,100 --> 00:35:33,660
Roger good copy predictions. Here's what I got

418
00:35:34,380 --> 00:35:35,900
vehicle is armed

419
00:35:35,900 --> 00:35:40,940
I think the welds in the engine casing are going to hold and we are going to get lift off attention all personnel

420
00:35:41,020 --> 00:35:45,900
Please clear the pad at this time. This was operation awful golf holding that five minutes and counting

421
00:35:46,140 --> 00:35:51,500
And I can absolutely guarantee that for the first well feet of his flight. It's going to be perfectly straight

422
00:35:51,740 --> 00:35:54,460
All right, go ahead and arm the system. All right arming system

423
00:35:55,100 --> 00:35:58,300
And I think that given the weight distribution

424
00:35:59,020 --> 00:36:02,140
Uh, it's quite likely that we might have some tumbling

425
00:36:02,700 --> 00:36:07,020
Happening right after that 12 feet, but you know what that's what we're here to find out

426
00:36:07,340 --> 00:36:10,220
So all that remains is to hit that switch

427
00:36:11,100 --> 00:36:12,220
Here we go

428
00:36:12,220 --> 00:36:13,260
five

429
00:36:13,260 --> 00:36:14,220
four

430
00:36:14,220 --> 00:36:15,260
three

431
00:36:15,260 --> 00:36:16,300
two

432
00:36:16,300 --> 00:36:17,580
one

433
00:36:17,580 --> 00:36:19,580
fire

434
00:36:21,500 --> 00:36:23,500
fire

435
00:36:27,500 --> 00:36:29,500
yeah

436
00:36:30,060 --> 00:36:32,060
He got off the ground

437
00:36:34,300 --> 00:36:38,700
A successful launch. Oh, yeah rocket man had the ride of his life

438
00:36:39,100 --> 00:36:45,420
But here comes the but the rocket lost control way before the mythical 1000 feet

439
00:36:45,900 --> 00:36:49,500
And rocket man did not escape and deploy his parachute

440
00:36:49,980 --> 00:36:56,620
So the rocket was set on the launch pad. We all ran back to the bunker grant gave the countdown carry hit the switch and the rocket went straight

441
00:36:56,700 --> 00:36:59,340
And it was stable for about a hundred feet

442
00:36:59,980 --> 00:37:03,340
The motors were working perfectly, but at that point the rocket went out of control

443
00:37:04,140 --> 00:37:06,140
And we knew it was crashing bird

444
00:37:06,940 --> 00:37:10,220
Look at the damage to the rocket. That's crazy

445
00:37:12,140 --> 00:37:16,780
Dude, he is looking mighty crispy. We burnt his clothes off. All right. So how are we going to call this one?

446
00:37:16,860 --> 00:37:21,020
I don't know. I mean we did get it to launch that thing got almost a hundred feet in the air

447
00:37:21,100 --> 00:37:26,540
Yeah, but a hundred feet is pretty far from a thousand. Yeah, and you know what? There's no way he survived that landing

448
00:37:26,780 --> 00:37:31,820
Well, let's take the footage back to the shop. We'll have a look at it and then we can decide. All right. I think that's a good call

449
00:37:35,260 --> 00:37:40,700
So tell me everything it was great. We made it off the launch pad smooth takeoff exactly as predicted

450
00:37:40,780 --> 00:37:44,300
We made it up to about a hundred feet. Yeah, but at that point everything went wrong

451
00:37:44,380 --> 00:37:48,780
Bursted in flames started spiraling out of control before it smashed to the earth and a rocket man

452
00:37:49,100 --> 00:37:52,540
Crash and burn and when I say burn, I mean burnt to a crisp

453
00:37:53,420 --> 00:37:58,940
So we didn't reach the thousand foot altitude we were looking for and our rocket man did not safely sail down to the earth

454
00:37:59,420 --> 00:38:04,460
Nope, so how are we calling this one? Bear in mind. We gave this myth the best possible chance of working

455
00:38:04,700 --> 00:38:11,340
High performance state-of-the-art rocket motors modern materials and we even replaced the highly suspect wing system

456
00:38:11,740 --> 00:38:14,860
With a modern parachute, but I think we stopped to cause home busted

457
00:38:18,860 --> 00:38:20,860
Next adam and jamie

458
00:38:22,780 --> 00:38:27,420
Ah ramp it up by rigging a Hollywood style crashing burn

459
00:38:36,700 --> 00:38:40,540
The myth that a car always explodes if it crashes off a cliff

460
00:38:42,060 --> 00:38:44,940
Was pretty much busted after the first two tests

461
00:38:45,660 --> 00:38:52,140
Reality makes a crappy special effects crew the gas tank the heart of this myth is protected deep in the car's

462
00:38:52,860 --> 00:38:55,020
Understructure to avoid just such an outcome

463
00:38:56,300 --> 00:38:58,540
Even putting the gas tank front and center

464
00:38:59,340 --> 00:39:02,700
Failed to provide the mythical Hollywood style explosion

465
00:39:04,060 --> 00:39:06,060
I think this makes the myth totally busted

466
00:39:06,940 --> 00:39:10,940
Which just leaves the classic myth busters result replication

467
00:39:11,420 --> 00:39:13,740
How exactly do they do it in the movies?

468
00:39:15,980 --> 00:39:21,900
Right now here's my vision the hero car comes careening through this industrial area

469
00:39:21,900 --> 00:39:29,420
Which I like because it's like post industrial comes down this ramp out of control completely towards this edge

470
00:39:29,900 --> 00:39:32,700
And then plummets into the abyss

471
00:39:33,260 --> 00:39:35,260
All I need here is a ramp

472
00:39:35,740 --> 00:39:37,740
Where's my ramp?

473
00:39:38,220 --> 00:39:40,940
So the ramp will ensure the perfect crash

474
00:39:41,980 --> 00:39:43,980
At frank will bring the burn

475
00:39:44,780 --> 00:39:45,740
Hey, what do you need?

476
00:39:45,740 --> 00:39:49,340
Well, I want to run this car off the cliff and have it blow up when it hits the bottom

477
00:39:49,500 --> 00:39:55,820
Okay, lots of gasoline a little bit of explosive. It'll give you a magnificent explosion works for me

478
00:39:56,460 --> 00:40:02,620
And what works for jamie is four single gallon bottles of gasoline wrapped in detonation cord

479
00:40:02,940 --> 00:40:06,700
We're ready to load the car now with the gasoline and everything one coming

480
00:40:07,180 --> 00:40:10,460
So we'll put a couple guys in there get our gas position

481
00:40:10,780 --> 00:40:14,620
There you go get it tied down with the wire to the cleats

482
00:40:15,260 --> 00:40:18,860
And run the ring main lined on the middle toward the trunk

483
00:40:19,260 --> 00:40:24,220
And then once we get it all into position we'll hold until we cap in let's do it and be safe

484
00:40:24,220 --> 00:40:25,020
All right

485
00:40:25,020 --> 00:40:28,140
So three cars down and I think we're all in agreement that reality

486
00:40:28,700 --> 00:40:33,500
Is not nearly as exciting as an action movie. I know I'm just as disappointed as you but this

487
00:40:33,900 --> 00:40:39,820
Our fourth and final car rigged with four gallons of gasoline some explosives and wireless trigger

488
00:40:40,460 --> 00:40:44,300
Once it starts driving down this ramp towards this of this

489
00:40:44,780 --> 00:40:48,460
We're going to trigger the explosion that we want my prediction

490
00:40:50,060 --> 00:40:51,340
Mayhem

491
00:40:51,340 --> 00:40:58,300
Mayhem for sure, but frank runs a tight ship. It'll be controlled mayhem and on cue

492
00:40:59,100 --> 00:41:03,100
Okay, hollywood style car crash all the systems are in place

493
00:41:03,660 --> 00:41:05,660
three in any second two

494
00:41:05,900 --> 00:41:10,300
So you know hollywood action is going to happen one. Hopefully right in front of me

495
00:41:10,460 --> 00:41:12,460
So

496
00:41:40,460 --> 00:41:42,460
Golly

497
00:41:49,820 --> 00:41:55,740
Success with the final test perhaps adam and jayne should think about a career in film special effects

498
00:41:58,380 --> 00:42:06,380
It looks like it worked the launch was the most beautiful one yet the tumble was magnificent and the explosion was all hollywood

499
00:42:07,660 --> 00:42:08,940
Nicely done

500
00:42:08,940 --> 00:42:16,060
Cool what we just saw there was in fact an explosion the windows blew out. We had a big fireball. It was great. Wow

501
00:42:18,940 --> 00:42:20,940
But why well

502
00:42:20,940 --> 00:42:24,460
It's because we put a bunch of explosives and gasoline inside the car

503
00:42:25,020 --> 00:42:29,420
Otherwise we know that a gas tank will not support a flame

504
00:42:29,740 --> 00:42:33,980
It's burning in the tank because it's too rich inside there. There's not enough oxygen

505
00:42:34,460 --> 00:42:39,660
No explosion the only place that's appropriate to support an explosion is inside

506
00:42:40,140 --> 00:42:44,300
The engine in the cylinders and so on but could it happen?

507
00:42:45,020 --> 00:42:50,540
Sure, I suppose so it's extremely rare maybe with the right exact circumstances

508
00:42:51,020 --> 00:42:55,100
But the idea that every time a car goes off cliff it blows up

509
00:42:55,900 --> 00:42:57,260
hogwash

510
00:42:57,260 --> 00:43:01,100
And so is the guys mull over the charred car carnage

511
00:43:01,900 --> 00:43:03,900
Ha ha ha ha nice

512
00:43:04,060 --> 00:43:09,420
It's clear that hollywood hasn't completely fictionalized the physics of a crash and burn

513
00:43:10,940 --> 00:43:15,500
They've just turned a million to one shot into a silver screen certainty