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I find the defendants guilty.

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In 2002, a crack science duo was sent to prison for a crime they didn't commit.

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These men promptly escaped from a maximum security stockade to the San Francisco underground.

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Today, masked with their new identities, they survive as soldiers of science.

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If you have a problem, if no one else can help, and if you can find them,

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maybe you can hire the Mythbusters.

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Ha ha! You ready for the A-Team Special?

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I was born ready, fool.

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Outstanding.

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Jamie, did you ever watch that show, the A-Team?

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Sure.

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Which character from the A-Team do you think I'm most close to resemble?

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Which one was that guy that keeps ending up in the mental institution?

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Murdoch. That's Murdoch.

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That's the one.

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Alright.

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Well, we have an entire episode devoted to the 80s cult classic, The A-Team.

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What's on the docket?

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So later we will be trying to disable a car with a manhole courtesy of a sewer explosion.

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But first up, we have what is really a classic A-Team trope.

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See, in almost every episode, the guys are stranded somewhere and they have to build a weapon

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with only the materials they have at their disposal, right?

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Right.

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Okay, so in this one, the A-Team is stranded in a lumber yard.

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The bad guys are on their way back and the A-Team builds a cannon out of a log that shoots

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two by fours with a controlled propane explosion to defeat the bad guys.

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Sounds dubious.

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Well, I think we should test it out if it doesn't work.

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Maybe you and I could do better.

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Maybe.

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Shaw.

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Don't touch me.

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Okay.

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Shaw, shall we gather all the materials we saw in the clip?

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Are you going to keep that thing in your mouth the whole time?

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As long as I can stand it.

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Alright.

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So, Solenoids looks almost exactly the same.

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In the show, the A-Team guys built their wood cannon in a general-purpose shop that was attached to a lumber yard.

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Now, they had a log and they drilled a hole down in the middle of it to make a cannon barrel.

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Beautiful.

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They're using half two by fours as ammo and we did see a tank of propane.

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So, that appears to be the propellant.

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That's what we've got to work with, so we're going to use that equipment to build our wood cannon.

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Awesome.

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Having cross-reference to clip, the guys collate all of the A-Team's cannon components.

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Ammo for bad guys.

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Before Adam rolls out the barrel, literally.

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There I am.

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Now, in a clip, they drill the hole in the log using a drill bit like this called an auger bit.

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It's going to take a while.

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But frankly, we could not find one in the size that we needed.

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We're using a different kind of drill bit called a Forster bit.

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One of my single favorite drill bits of all time.

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Adam uses the Forster.

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I feel like the villain in some kind of movie.

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But even so, it's a tough task.

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I know.

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It seems strange to me, too, to keep having to sharpen this bit when all I'm doing is drilling into wood.

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But the fact is that the molecules that make up wood are incredibly dulling to metal blades.

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You've got to sharpen it all the time.

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In fact, it takes 40 minutes of hard labor before Adam's barrel is fully bored.

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There I go.

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Now, that's a hole.

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So next, it's over to Jamie, who inserts a hose to fill the barrel with propane.

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Look at that perfect fit.

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Before prepping the cannon's ignition system.

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So how are we going to ignite the propane in our cannon?

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Well, the easiest way is with a spark.

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And the easiest way for us to get one of those is just to plug a couple of wires into the wall socket.

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But that's only going to make a small spark, and we need a big one for reliable ignition of the propane.

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For that, we're going to use our favorite device for generating large sparks, and that's the neon transformer.

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And there it is.

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And once wired in, their cannon is the perfect copycat.

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It's got a 40-inch-long log barrel, propane as fuel, a sparking ignition system, and planks as projectiles.

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Plus, the whole thing's mounted on a forklift, just like the AT.

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But the question is, will it work?

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All right.

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Loading the device.

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There we go.

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Okay.

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Device is loaded.

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For test one.

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One-one-thousand, two-one-thousand, three-one-thousand.

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They're giving it some gas.

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Five seconds worth of propane.

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Ignition in.

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Three, two, one, go.

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Nothing.

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Nothing.

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Give it another five seconds.

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I'm going to cigar and just make everything you say sound a little more authoritative.

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Get those trucks out of there.

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Move those people over there.

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I'll put those oranges in my summer house.

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Stuff like that.

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Three, two, one.

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Nothing.

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Nothing?

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Well, that's weird.

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I would expect at least something.

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Figuring the sparker may have failed, Adam goes in for a closer look.

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Okay.

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Sparking now.

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Whoa!

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That actually blew my hand.

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So there was enough residual gas.

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That tells me we need very, very, very little gas.

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Okay.

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All right.

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We started out by adding way, way, way too much propane to this.

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Now, you might think, oh, the more propane, the better.

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But it's not that way.

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Propane isn't flammable in and of itself.

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It's flammable when it's mixed with air or oxygen.

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And you have to get the correct mix or stoichiometry in order to get that ignition or that pop

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that's actually going to send this out towards the bad guys.

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So for test two, the guys use just one second of gas.

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And three, two, one, fire.

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Hey!

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That was a pop.

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It was.

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Don't move even the tiniest bit, not even remotely.

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Well, there was fire in the hole, but so far a viable weapon this ain't.

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I gotta say, it's not looking so good.

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I mean, we've replicated everything that we saw in the clip and we are getting ignition.

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It's just not as energetic as it showed in the clip.

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We're going to have to do something else.

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The guy's stumped.

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Hmm.

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This A-Team is going to need a plan B.

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They detonate the dynamite.

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Boom!

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The manhole cover takes the car completely out.

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So the car is a write-off, but the dudes inside are okay.

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Exactly.

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No one ever gets hurt by the A-Team.

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Well, explosive escapes.

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I like it.

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The myth is that by placing the dynamite just inside the drain, the A-Team could evade the

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villains without injuring them.

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But is that really possible?

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That is perfect.

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So there's a plan, right?

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Of course there's a plan.

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For some reason, urban areas don't like it when you use explosives in their sewers.

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So, in lieu of that, we've come to our favorite place in California where we can blow large

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things up and even dig holes in the ground, Ion, California.

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Thanks to its remote location, Ion is the perfect place for some manhole mayhem.

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But the digging will come later.

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Now, obviously, since the A-Team placed their sticks of dynamite inside a sewer, we are going

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to do the exact same thing.

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Perfect!

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Nice ride.

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But it raises the question, why would they go through the trouble?

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I mean, what's the difference between it on the ground and in the sewer?

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And this leads to the A-Team's MO, which is they don't ever want to kill the bad guys.

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They just want to neutralize them as a threat.

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So in order to test whether or not their method is truly non-lethal, we're going to need a

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control.

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That is, 9-6 of dynamite, just like the clip, placed on the ground with this car placed

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right on top of it, find out what happens to the driver of the car when we blow that

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up.

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My prediction, she's not going to be pretty.

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So with the car from the clip, the guys are green-lighting a control test.

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What's next?

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Buster.

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We'll let dynamite detonation outside a sewer, cause casualties where an in-car driver

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would have survived this blast, and if so, whether he was injured or not, and how badly.

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To do that, we're going to be putting sensors on his head, on his waist, and near his feet.

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And these sensors can record events down to the microsecond, which will tell us exactly

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what went on.

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Buster may be wired in the hot seat.

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Just remember, little buddy, this is going to hurt you a lot more than it hurts me.

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But he's not the only data that's going to be used to detect the danger.

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Now, another reason the A-Team might have placed their explosives inside the manhole

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cover is to protect any innocent bystanders standing around.

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And that is a reasonable assumption that we would like to test, and that's what these

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figures are for.

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We've placed these two half-inch plywood cutouts at 15 feet and 10 feet from the blast to see

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how much damage they sustain in the control versus the actual experiment.

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And of course, on MythBusters, innocent bystanders just another term for shredding.

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With the plan coming together, it's OK, little buddy.

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Next up is the explosive.

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For accuracy, we're using nine sticks of nitroglycerin-based dynamite because that's what they used on the A-Team.

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Now, this is the first time we've used it because it's relatively unstable.

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It's shock-sensitive, and that's bad.

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So we're going to take every precaution, and we're going to be safe.

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And speaking of being safe, that cigar, it's fake.

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Yes, made of chocolate.

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The guys are going that extra mile to make sure that everything matches the clip.

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Stop with two exceptions.

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First, the control test has no sewer.

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And second, also in the clip, the car is moving, and we are not doing that for two very good reasons.

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Number one, it doesn't make any difference to the physics, but two, and most importantly, we want to be able to compare our control blitz with the other.

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Most importantly, we want to be able to compare our control blast against the blast when we dig a sewer and put the dynamite in there.

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And in order to compare those two exactly, we need the dynamite in the same spot on both blasts.

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And in order to guarantee that, well, we're just not moving the car.

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That is our plan.

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All right, sir. You ready?

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I'm ready.

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OK.

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What if I take the first plunge?

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Knock yourself out.

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All right, here we go.

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This is 18, dynamite test, the control.

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I always wanted to do this.

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In three, two, one.

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In the Mythbusters 18 special.

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Your sinks taste terrible.

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The guys were wired up to a countdown.

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In three, two, one.

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That just got cut.

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What happened to our countdown?

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We'll get right back to it.

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I promise.

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I just wanted to remind everybody that what we are testing is how lethal nine sticks of dynamite detonated on the ground under a car are to both the driver of that car and the innocent bystanders on the street.

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That is our control test.

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Now back to our regularly scheduled countdown.

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This is 18, dynamite test, the control.

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In three, two, one.

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I'm no munitions expert, but I don't think that car is going to be there when the smoke clears.

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When the dust eventually settles, the car hasn't disappeared, but it's not exactly in one piece.

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How you doing there, little buddy?

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Oh man.

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He actually looks almost completely intact.

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Oh, wait a second.

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Hey, Adam, check this out.

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Oh.

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That's a whole clean through to the underside of the car.

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I am now going to go out on a limb and predict that Buster didn't survive that, but only the numbers will tell us for sure.

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It didn't look good for Buster, but what does the data say?

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It looks pretty bad in here, huh?

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Like hell on Earth, but get this.

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Buster actually survived that blast.

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I know.

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Don't get me wrong.

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He is not walking away from this blast.

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No, no, no.

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He's legless below the knees.

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He has permanent hearing damage, if not almost total hearing loss and permanent lung damage.

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He's not walking away, but he's not dead either.

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Although Buster may live to see another day, his injuries are way too awful for the A-Team, and he's not alone.

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Upon careful looking again and again at this high speed, I'm noticing that the blast pressure wave, which normally would be coming upward and outward in the symmetrical bubble,

245
00:15:14,000 --> 00:15:17,000
is not doing that instead.

246
00:15:17,000 --> 00:15:28,000
It's starting out as two bubbles that are coming out underneath and to the side of the car, spreading out the energy coming off of this blast to the side.

247
00:15:28,000 --> 00:15:33,000
That energy to the side spells bad news for the bystanders.

248
00:15:33,000 --> 00:15:42,000
At this point, you might be wondering how our bystanders have been holding up, and I can tell you, our bystanders withstood a pressure wave of 90 psi, 90.

249
00:15:42,000 --> 00:15:45,000
That's lethal. They were dead.

250
00:15:45,000 --> 00:15:54,000
With death and destruction from shockwave and shrapnel, the control blast was catastrophic.

251
00:15:54,000 --> 00:16:05,000
But will going underground, as per the A-Team's technique, really make a difference?

252
00:16:05,000 --> 00:16:18,000
Back at the shop, Adam and Janie's A-Team cannon, as so far flung. But Adam knows why.

253
00:16:18,000 --> 00:16:24,000
What makes something leave something, like ammo leaving a barrel, is pressure behind the ammo.

254
00:16:24,000 --> 00:16:32,000
What we've got is ammo where pressure can't build up because there's almost as much space around the ammo as there is ammo.

255
00:16:32,000 --> 00:16:39,000
That means the gas can get right by it. This is the correct size hole from the clip and the correct size ammo for the clip.

256
00:16:39,000 --> 00:16:41,000
But I don't think we're going to get anything out of this.

257
00:16:41,000 --> 00:16:49,000
I think we need to build a little bit of a barrier behind this to create some corked pressure in there.

258
00:16:49,000 --> 00:16:53,000
So, Adam's altering the A-Team's design.

259
00:16:53,000 --> 00:16:54,000
There we go.

260
00:16:54,000 --> 00:16:56,000
To up the pressure.

261
00:16:56,000 --> 00:16:59,000
Now, see that?

262
00:16:59,000 --> 00:17:01,000
Much less space.

263
00:17:01,000 --> 00:17:08,000
But will this now type fitting torpedo go ballistic?

264
00:17:08,000 --> 00:17:13,000
Firing in three, two, one.

265
00:17:13,000 --> 00:17:17,000
Yeah!

266
00:17:17,000 --> 00:17:23,000
Boy, I'm glad I wasn't standing in front of that thing.

267
00:17:23,000 --> 00:17:31,000
It's another flat-out failure that bears no resemblance to the clip.

268
00:17:31,000 --> 00:17:35,000
So to give them if another lifeline, here's Jamie.

269
00:17:35,000 --> 00:17:40,000
Along with propane, they had a tank of oxygen, just like this one here.

270
00:17:40,000 --> 00:17:48,000
Now, oxygen is an aggressive oxidizer that I'm betting would make a far more energetic sort of a burn.

271
00:17:48,000 --> 00:17:57,000
So, while we didn't see them use it, just for due diligence, we're going to try it.

272
00:17:57,000 --> 00:18:03,000
Like Adam before him, Jamie's going off-script.

273
00:18:03,000 --> 00:18:04,000
Smells like oxygen.

274
00:18:04,000 --> 00:18:06,000
No, it doesn't. It doesn't smell like anything.

275
00:18:06,000 --> 00:18:14,000
As this time, he adds pure oxygen to his propane party.

276
00:18:14,000 --> 00:18:18,000
And back goes the fuel line.

277
00:18:18,000 --> 00:18:26,000
Three, two, one.

278
00:18:26,000 --> 00:18:31,000
Oops!

279
00:18:31,000 --> 00:18:35,000
Wow, well, that wasn't exactly what I had in mind.

280
00:18:35,000 --> 00:18:41,000
I mean, I knew the introduction of pure oxygen in there would make a more energetic reaction,

281
00:18:41,000 --> 00:18:45,000
but I didn't think it was going to blow up the whole barrel.

282
00:18:45,000 --> 00:18:47,000
I mean, it was kind of scary.

283
00:18:47,000 --> 00:18:52,000
But it does make me think that if I dial back the oxygen to just the right amount,

284
00:18:52,000 --> 00:19:00,000
I should be able to find a sweet spot that shoots that wooden ammo out as pretty as you please.

285
00:19:00,000 --> 00:19:07,000
So with some running repairs on their log, better than new, and some better late than never safety shields.

286
00:19:07,000 --> 00:19:09,000
There we go.

287
00:19:09,000 --> 00:19:11,000
That makes me feel safer.

288
00:19:11,000 --> 00:19:18,000
It's all systems go to find out if there is a propane and oxygen mixture that will fire their projectile,

289
00:19:18,000 --> 00:19:20,000
but won't destroy their cannon.

290
00:19:20,000 --> 00:19:22,000
Okay, I'm fueling.

291
00:19:22,000 --> 00:19:25,000
Three, two, one.

292
00:19:25,000 --> 00:19:28,000
Hey! That moved about a foot.

293
00:19:28,000 --> 00:19:29,000
For each test.

294
00:19:29,000 --> 00:19:31,000
So going to four seconds.

295
00:19:31,000 --> 00:19:35,000
The guys are altering the relative amounts of the two gases.

296
00:19:35,000 --> 00:19:40,000
Fireing in three, two, one.

297
00:19:40,000 --> 00:19:42,000
We got it out!

298
00:19:42,000 --> 00:19:43,000
Woohoo!

299
00:19:43,000 --> 00:19:44,000
Give me high five.

300
00:19:46,000 --> 00:19:48,000
But after some early encouragement.

301
00:19:48,000 --> 00:19:51,000
Three, two, one.

302
00:19:51,000 --> 00:19:54,000
It's not long before a familiar pattern emerges.

303
00:19:54,000 --> 00:19:56,000
This one's for the money.

304
00:19:56,000 --> 00:19:59,000
Fireing in three, two, one.

305
00:19:59,000 --> 00:20:06,000
That was by far the most vigorous bang yet, and our projectile didn't move at all.

306
00:20:06,000 --> 00:20:13,000
Indeed, after two dozen concentration combinations, including a repeat of Jamie's Big Bang.

307
00:20:13,000 --> 00:20:16,000
Three, two, one.

308
00:20:16,000 --> 00:20:22,000
It's clear that no gas mixture has the pushing power to weaponize their wood.

309
00:20:22,000 --> 00:20:23,000
Our plan was good.

310
00:20:23,000 --> 00:20:24,000
Great even.

311
00:20:24,000 --> 00:20:29,000
We methodically experimented with different air-fuel mixtures of propane and air,

312
00:20:29,000 --> 00:20:31,000
and then we added pure oxygen.

313
00:20:31,000 --> 00:20:34,000
We added a barrel block to the back of our projectiles.

314
00:20:34,000 --> 00:20:36,000
We got breached cannons.

315
00:20:36,000 --> 00:20:37,000
We got loud cracks.

316
00:20:37,000 --> 00:20:38,000
We got bangs.

317
00:20:38,000 --> 00:20:39,000
We got fire.

318
00:20:39,000 --> 00:20:46,000
Still, one thing we did not get was any projectiles leaving the barrel and traveling towards their opponents.

319
00:20:46,000 --> 00:20:52,000
We have scientifically busted this device completely.

320
00:20:53,000 --> 00:20:54,000
But here's the thing.

321
00:20:54,000 --> 00:20:59,000
I have to imagine that if you put Jamie and I in an abandoned lumber yard,

322
00:20:59,000 --> 00:21:02,000
that we would be able to come up with something that was effective.

323
00:21:02,000 --> 00:21:03,000
Let's call it.

324
00:21:03,000 --> 00:21:04,000
Yeah.

325
00:21:04,000 --> 00:21:07,000
Let's figure out another way to hurl wood at our opponents.

326
00:21:23,000 --> 00:21:25,000
Welcome back.

327
00:21:25,000 --> 00:21:26,000
Here's the scene.

328
00:21:26,000 --> 00:21:28,000
The A-team is stranded in a lumber yard.

329
00:21:28,000 --> 00:21:31,000
The bad guys have gone away, but they'll be back in an hour.

330
00:21:31,000 --> 00:21:34,000
Now, instead of wanting to escape or run away,

331
00:21:34,000 --> 00:21:39,000
the A-team builds an elaborate device to punish the bad guys when they return.

332
00:21:39,000 --> 00:21:44,000
Now, Jamie and I have already tested the method that they used in the show.

333
00:21:44,000 --> 00:21:46,000
Three, two, one.

334
00:21:46,000 --> 00:21:48,000
It totally didn't work.

335
00:21:48,000 --> 00:21:51,000
But we've stranded ourselves in a lumber yard,

336
00:21:51,000 --> 00:21:57,000
and we are going to attempt to build our own device to punish the bad guys when they return.

337
00:21:57,000 --> 00:21:59,000
So it'll be a pretty good show.

338
00:22:00,000 --> 00:22:02,000
The goal is simple.

339
00:22:02,000 --> 00:22:07,000
With one hour on the clock, can Adam and Jamie, using only the stuff they find,

340
00:22:07,000 --> 00:22:12,000
build a weapon that can take out the bad guys by firing planks as projectiles?

341
00:22:12,000 --> 00:22:16,000
Well, first up, they need a plan.

342
00:22:17,000 --> 00:22:19,000
So, shooting these is ammo.

343
00:22:19,000 --> 00:22:24,000
Yeah, I had some thoughts about an easier and more reliable way of doing this.

344
00:22:24,000 --> 00:22:29,000
I'm thinking something like a pitching machine, where we get wheels spinning,

345
00:22:29,000 --> 00:22:34,000
and we just feed our ammo into the wheel, and it kicks it out.

346
00:22:34,000 --> 00:22:36,000
We've got one on the...

347
00:22:36,000 --> 00:22:38,000
There's a trailer over there.

348
00:22:38,000 --> 00:22:39,000
The trailer is beautiful.

349
00:22:39,000 --> 00:22:41,000
And so somehow we spin that up, right?

350
00:22:41,000 --> 00:22:43,000
That's going to be terrifying.

351
00:22:43,000 --> 00:22:48,000
If we get that up to a nice speed, what do you think should we use a motor off of the compressor?

352
00:22:48,000 --> 00:22:51,000
Well, I saw this wrench over here.

353
00:22:52,000 --> 00:22:53,000
Dude.

354
00:22:56,000 --> 00:23:02,000
I think these suckers go like 5,000 RPM or something scary, which, you know...

355
00:23:04,000 --> 00:23:06,000
When you smile, it makes me nervous.

356
00:23:06,000 --> 00:23:12,000
Alright, so I guess the first thing is to make sure that that thing can actually power that wheel at a speed we like.

357
00:23:12,000 --> 00:23:17,000
Then we'll figure out a way to make that structure amable and suitable.

358
00:23:17,000 --> 00:23:18,000
Yeah.

359
00:23:18,000 --> 00:23:20,000
Alright, I love this plan. Let's do it.

360
00:23:21,000 --> 00:23:26,000
It's a promising plan that gets better when the torque wrench does fit the wheel hub.

361
00:23:26,000 --> 00:23:29,000
But will it spin it up to speed?

362
00:23:29,000 --> 00:23:30,000
Okay, you ready?

363
00:23:30,000 --> 00:23:31,000
I'm ready. Go for it.

364
00:23:38,000 --> 00:23:41,000
And that's just the start they were hoping for.

365
00:23:43,000 --> 00:23:45,000
I don't know how fast that was going, but...

366
00:23:45,000 --> 00:23:48,000
That seems... I'm going to call that fast enough.

367
00:23:48,000 --> 00:23:54,000
Being able to spin their wheel of misfortune fast is vital to launching their lumber.

368
00:23:57,000 --> 00:24:00,000
But will the rest of the plan come together so smoothly?

369
00:24:01,000 --> 00:24:03,000
In theory, this is like a pitching machine.

370
00:24:03,000 --> 00:24:05,000
But remember, we're doing this with lumber.

371
00:24:05,000 --> 00:24:10,000
We're using various tools that were not made for this kind of thing.

372
00:24:10,000 --> 00:24:12,000
And there are a lot of moving parts here.

373
00:24:12,000 --> 00:24:16,000
And that's a lot of stuff that we have to integrate if it's going to actually work smoothly,

374
00:24:16,000 --> 00:24:18,000
which is the whole point of this.

375
00:24:19,000 --> 00:24:21,000
While Jamie gets on with integrating the flywheel...

376
00:24:22,000 --> 00:24:23,000
Alright, do it.

377
00:24:24,000 --> 00:24:26,000
Adam's taking aim at the ammoth.

378
00:24:28,000 --> 00:24:33,000
Where he's trying to outgun the A-team by going semi-auto.

379
00:24:36,000 --> 00:24:37,000
That's going to be awesome.

380
00:24:37,000 --> 00:24:40,000
I absolutely love an indoor working like this.

381
00:24:40,000 --> 00:24:45,000
Seat of the pants on the fly, figuring stuff out with what's in front of you.

382
00:24:46,000 --> 00:24:50,000
The solutions you come up with are weirdly elegant in those conditions of rise.

383
00:24:51,000 --> 00:24:52,000
Yeah, baby!

384
00:24:53,000 --> 00:24:54,000
Want to know how this works?

385
00:24:54,000 --> 00:25:01,000
The wheel sits right about here spinning very crazy fast in that direction.

386
00:25:02,000 --> 00:25:05,000
This ammo box sits right about here.

387
00:25:05,000 --> 00:25:10,000
When Jamie pulls the trigger, that's this lever, it feeds a piece of wood out

388
00:25:10,000 --> 00:25:14,000
until that piece of wood contacts the spinning wheel.

389
00:25:14,000 --> 00:25:21,000
The moment it does, the wheel grabs that piece of wood and hurls it at one of our bad guys.

390
00:25:21,000 --> 00:25:26,000
Then Jamie pulls this back, you see all the ammo drops down and he's ready for another one.

391
00:25:26,000 --> 00:25:27,000
Bang!

392
00:25:28,000 --> 00:25:32,000
I think we could fire like 15 shots in maybe five or six seconds with this thing.

393
00:25:32,000 --> 00:25:34,000
Alright, tat tat tat tat tat.

394
00:25:37,000 --> 00:25:43,000
Like Adam Hannibal Savage, howling mad Heinemann is also making progress.

395
00:25:43,000 --> 00:25:44,000
There we go.

396
00:25:44,000 --> 00:25:46,000
He's aligned the wheel with the torque wrench.

397
00:25:48,000 --> 00:25:50,000
And added some safety shielding.

398
00:25:50,000 --> 00:25:56,000
Angular momentum is enough at certain speeds to actually make this tire explode.

399
00:25:56,000 --> 00:25:58,000
That's why I built this structure this way.

400
00:25:58,000 --> 00:26:05,000
So as I'm behind it, firing it, I'll be protected by stuff in the event this actually takes off.

401
00:26:05,000 --> 00:26:06,000
This is going to work killer.

402
00:26:06,000 --> 00:26:07,000
I hope so.

403
00:26:09,000 --> 00:26:13,000
With the bad guys less than 20 minutes away, there's no rest for the wicked.

404
00:26:13,000 --> 00:26:18,000
After building the firing mechanism, the next task for me is to build the aiming mechanism.

405
00:26:18,000 --> 00:26:23,000
And this is non-trivial because it's quite easy just to take a spinning disc and feed a piece of wood into it.

406
00:26:23,000 --> 00:26:28,000
It's another thing entirely to be able to aim that both side to side and up and down.

407
00:26:28,000 --> 00:26:29,000
That's great.

408
00:26:29,000 --> 00:26:39,000
I kind of have to build essentially a wooden swing with a pivot in the middle of it to hold this entire like 60, 70 pound device that we're building.

409
00:26:40,000 --> 00:26:41,000
This should work beautifully.

410
00:26:41,000 --> 00:26:47,000
As a side note, I'd like to point out that we're putting all this together with some really quite basic tools.

411
00:26:47,000 --> 00:26:49,000
Love making stuff like this.

412
00:26:49,000 --> 00:26:53,000
You know, wood saws, some drills and screws and glue.

413
00:26:54,000 --> 00:27:00,000
Basically, we're using far less than what they showed in the actual A-Team episode.

414
00:27:02,000 --> 00:27:04,000
With time running out.

415
00:27:04,000 --> 00:27:05,000
That's it.

416
00:27:05,000 --> 00:27:06,000
Okay.

417
00:27:06,000 --> 00:27:09,000
The mythbusters attach the wheel to the aimer.

418
00:27:09,000 --> 00:27:10,000
Look, I'm pretty good.

419
00:27:11,000 --> 00:27:13,000
Then the magazine to the wheel.

420
00:27:13,000 --> 00:27:15,000
Dude, it's almost perfectly balanced.

421
00:27:16,000 --> 00:27:18,000
Almost like we knew what we were doing.

422
00:27:18,000 --> 00:27:20,000
Almost like we knew what we were doing.

423
00:27:20,000 --> 00:27:24,000
And before the bad guys arrive, they could fire off one quick test.

424
00:27:29,000 --> 00:27:31,000
That's terrifying to stand here.

425
00:27:32,000 --> 00:27:33,000
Fire!

426
00:27:33,000 --> 00:27:34,000
Three, two, one!

427
00:27:40,000 --> 00:27:42,000
That's what I'm talking about.

428
00:27:42,000 --> 00:27:43,000
Hey!

429
00:27:43,000 --> 00:27:44,000
Hey!

430
00:27:47,000 --> 00:27:49,000
I hit the camera!

431
00:27:51,000 --> 00:27:52,000
That is awesome.

432
00:27:52,000 --> 00:27:55,000
Our machine is working beautifully.

433
00:27:55,000 --> 00:27:57,000
It's a wonder to behold.

434
00:27:57,000 --> 00:27:59,000
It is terrifying to be behind.

435
00:27:59,000 --> 00:28:02,000
When it starts out, the wheel is slightly unbalanced.

436
00:28:02,000 --> 00:28:03,000
It's kind of like...

437
00:28:06,000 --> 00:28:07,000
And it settles in.

438
00:28:07,000 --> 00:28:12,000
And then you pull the lever and bang, the piece of wood shoots out like 60 feet.

439
00:28:12,000 --> 00:28:13,000
I hit a camera.

440
00:28:13,000 --> 00:28:15,000
It was beautiful.

441
00:28:15,000 --> 00:28:16,000
Three, two, one!

442
00:28:16,000 --> 00:28:18,000
Shooting at over 50 miles an hour.

443
00:28:18,000 --> 00:28:20,000
That is awesome.

444
00:28:20,000 --> 00:28:23,000
Their forklift fire is the real deal.

445
00:28:24,000 --> 00:28:27,000
But next, the ultimate test.

446
00:28:27,000 --> 00:28:31,000
Will it take down the bad guys before it's too late?

447
00:28:31,000 --> 00:28:35,000
Adam and Jamie escape from a maximum security stockade to an abandoned quarry.

448
00:28:35,000 --> 00:28:36,000
That is perfect.

449
00:28:36,000 --> 00:28:39,000
Where their above ground control caused carnage.

450
00:28:44,000 --> 00:28:46,000
He's legless below the knees.

451
00:28:46,000 --> 00:28:50,000
And if he didn't get help soon, he could even drown in his own blood.

452
00:28:50,000 --> 00:28:53,000
All it's left for us to do now is to dig a sewer,

453
00:28:53,000 --> 00:28:56,000
and then we'll have to find a way to get him out of here.

454
00:28:56,000 --> 00:28:59,000
And then we'll have to find a way to get him out of here.

455
00:28:59,000 --> 00:29:03,000
All it's left for us to do now is to dig a sewer and try it again.

456
00:29:06,000 --> 00:29:09,000
Yep, to put the A-teams' ammo to the test.

457
00:29:09,000 --> 00:29:12,000
Next, the guys need a city sewer.

458
00:29:12,000 --> 00:29:14,000
Nothing like digging a good trench.

459
00:29:14,000 --> 00:29:20,000
To see if the same blast, but just barely underground, will be injury free for all.

460
00:29:20,000 --> 00:29:24,000
Next, we put trench plates across here.

461
00:29:24,000 --> 00:29:27,000
Yeah, you're spot on.

462
00:29:27,000 --> 00:29:31,000
And we'll completely cover this except for where our manhole is going to be.

463
00:29:31,000 --> 00:29:34,000
And boom, you got a sewer.

464
00:29:34,000 --> 00:29:42,000
Believe it or not, this is actually the first time that we've ever used a trench plate for a trench.

465
00:29:45,000 --> 00:29:49,000
This kind of operation, it looks like fun and it is.

466
00:29:49,000 --> 00:29:52,000
It is also incredibly dangerous.

467
00:29:52,000 --> 00:29:57,000
Any one of these plates could shift just half inch and take off one of Jamie's fingers without even noticing.

468
00:29:57,000 --> 00:29:59,000
Filled up.

469
00:29:59,000 --> 00:30:01,000
That's it.

470
00:30:01,000 --> 00:30:06,000
And it is this kind of operation that the two of us excel at in working with each other.

471
00:30:06,000 --> 00:30:09,000
Because in order to do it safely, you not only have to move carefully,

472
00:30:09,000 --> 00:30:14,000
but you really, it's best if the two people doing its thoughts are identical.

473
00:30:14,000 --> 00:30:16,000
Like a well-oiled machine.

474
00:30:16,000 --> 00:30:19,000
And frankly, when Jamie and I are doing something like this,

475
00:30:19,000 --> 00:30:24,000
the guys are running on totally parallel tracks and it's a sheer pleasure to do it.

476
00:30:24,000 --> 00:30:27,000
Alright, it looks beautiful.

477
00:30:27,000 --> 00:30:28,000
Yeah.

478
00:30:28,000 --> 00:30:32,000
I love it when a plan comes together.

479
00:30:32,000 --> 00:30:34,000
Oh, shut up.

480
00:30:34,000 --> 00:30:40,000
With the trench plates in place, the guys next man up their manhole.

481
00:30:40,000 --> 00:30:42,000
Hello.

482
00:30:42,000 --> 00:30:44,000
And after a quick sewer survey.

483
00:30:44,000 --> 00:30:47,000
Oh, yeah.

484
00:30:47,000 --> 00:30:49,000
Looks great down here, man.

485
00:30:49,000 --> 00:30:50,000
Like a real sewer.

486
00:30:50,000 --> 00:30:51,000
And it's nice and cool.

487
00:30:51,000 --> 00:30:53,000
We should have lunch down there.

488
00:30:53,000 --> 00:30:54,000
That's a fabulous idea.

489
00:30:54,000 --> 00:30:56,000
The great backfill can begin.

490
00:30:56,000 --> 00:31:00,000
And that right there, that's your man in the show.

491
00:31:00,000 --> 00:31:04,000
As Jamie buries most, but not all of their sewer system.

492
00:31:04,000 --> 00:31:07,000
At this point in the episode, you've probably entertained a few thoughts.

493
00:31:07,000 --> 00:31:10,000
Among them things, wow, Jamie's pretty good with the excavator.

494
00:31:10,000 --> 00:31:12,000
I wonder if he had help.

495
00:31:12,000 --> 00:31:17,000
But among your comments might be why are you guys leaving one whole end of your sewer system open?

496
00:31:17,000 --> 00:31:20,000
And it involves replicating the circumstances of the myth.

497
00:31:20,000 --> 00:31:23,000
See, we're testing an explosion of dynamite in a sewer system.

498
00:31:23,000 --> 00:31:25,000
Key word, system.

499
00:31:25,000 --> 00:31:29,000
Sewers are part of a long set of catacombs running underneath the city.

500
00:31:29,000 --> 00:31:33,000
There's a lot of places for the expanding gases of the explosion to go.

501
00:31:33,000 --> 00:31:36,000
And that is why we're leaving ours open.

502
00:31:36,000 --> 00:31:41,000
With one end open, one end closed, and the top soon to be sealed shut.

503
00:31:42,000 --> 00:31:44,000
Ah, to do it.

504
00:31:44,000 --> 00:31:47,000
Their drain in a day is done.

505
00:31:48,000 --> 00:31:53,000
That just leaves the rest of the experiment, starting with driver and car.

506
00:31:53,000 --> 00:31:55,000
Who drives with their legs crossed?

507
00:31:55,000 --> 00:31:57,000
Only Buster.

508
00:31:57,000 --> 00:32:00,000
Next come the all-important PCB sensors.

509
00:32:00,000 --> 00:32:04,000
We're using these sensors to determine whether or not Buster lives or dies in these explosive tests.

510
00:32:04,000 --> 00:32:08,000
But it's worth talking a little bit about how they work because it's pretty cool.

511
00:32:08,000 --> 00:32:11,000
Inside this sensor is a type of crystal called piezo.

512
00:32:11,000 --> 00:32:16,000
When you flex it or press on it, it generates a tiny amount of electricity that is very consistent.

513
00:32:16,000 --> 00:32:19,000
You can expose it to a blast pressure wave.

514
00:32:19,000 --> 00:32:24,000
It will generate a little amount of electricity that we can equate to the amount of pressure it receives.

515
00:32:24,000 --> 00:32:28,000
That directly tells us whether or not Buster could live or die.

516
00:32:28,000 --> 00:32:29,000
Excuse me, Buster.

517
00:32:29,000 --> 00:32:31,000
Pardon me, excuse me. Thank you. Pardon me, pardon me.

518
00:32:31,000 --> 00:32:34,000
Thank you, sir. Thanks for the ride.

519
00:32:34,000 --> 00:32:39,000
I'll call you when it's time to pick me up.

520
00:32:39,000 --> 00:32:47,000
After that comes the dynamite, positioned millimeters below the manhole at the very uppermost point of their drain.

521
00:32:47,000 --> 00:32:52,000
So this is exactly what we see them do in the clip.

522
00:32:52,000 --> 00:32:57,000
Nine sticks of dynamite off to the side a bit with the manhole cover on top of it.

523
00:32:57,000 --> 00:32:59,000
Here we go.

524
00:32:59,000 --> 00:33:02,000
Three, two, one.

525
00:33:03,000 --> 00:33:09,000
The final piece of the puzzle is to position the car exactly as it was in the control test.

526
00:33:09,000 --> 00:33:14,000
Keep coming and a little more. Perfect.

527
00:33:14,000 --> 00:33:16,000
All that leaves is a prediction.

528
00:33:16,000 --> 00:33:23,000
Now my impression is that the sewer is going to allow some of the blast pressure to escape down into that cavity.

529
00:33:23,000 --> 00:33:30,000
But then on the other hand, we have that manhole cover which is most likely going to turn into fragments

530
00:33:30,000 --> 00:33:33,000
because it's cast iron and that's brittle.

531
00:33:33,000 --> 00:33:39,000
And that may well hold on to the energy somewhat and direct it upward into the car.

532
00:33:39,000 --> 00:33:44,000
Where that puts Buster, it's anybody's guess. That's what we're going to find out.

533
00:33:48,000 --> 00:33:49,000
Are you ready? Yeah.

534
00:33:49,000 --> 00:33:51,000
All right, I'm going to hook it up.

535
00:33:51,000 --> 00:33:56,000
There's one. There's two.

536
00:33:57,000 --> 00:33:58,000
Count it down.

537
00:33:58,000 --> 00:33:59,000
All right.

538
00:34:01,000 --> 00:34:07,000
Explosives in the manhole cover in three, two, one.

539
00:34:10,000 --> 00:34:12,000
That did it. Wow.

540
00:34:12,000 --> 00:34:14,000
That was awesome.

541
00:34:18,000 --> 00:34:24,000
When the dust settles this time, it's clear that the car hasn't been torn apart.

542
00:34:24,000 --> 00:34:31,000
We have yet to crunch the data. We have yet to look at high speed, but on the face of what I witnessed and what I can see here.

543
00:34:31,000 --> 00:34:36,000
I held together better than I thought it would. That's for sure.

544
00:34:36,000 --> 00:34:41,000
I feel like that was a fantastic comparative set of explosions.

545
00:34:43,000 --> 00:34:44,000
Second explosion.

546
00:34:44,000 --> 00:34:50,000
The dynamite in the sewer, just as we saw on the A-Team, dented the oil pan of this car but did not break through.

547
00:34:50,000 --> 00:34:52,000
It looks like it didn't actually penetrate though.

548
00:34:52,000 --> 00:34:53,000
Wow.

549
00:34:53,000 --> 00:35:02,000
My prediction, post-explosion, pre-datacrunch is that our dude is totally fine, but we've got to check all that stuff out first.

550
00:35:04,000 --> 00:35:05,000
Yep.

551
00:35:05,000 --> 00:35:08,000
While initial impressions are good, it's all down to the data.

552
00:35:09,000 --> 00:35:18,000
I've analyzed the data from the sewer-based explosion and it's pretty interesting because the prior blast exposed Buster to 26 psi.

553
00:35:19,000 --> 00:35:25,000
This time, with the sewer, he only experienced 9 psi. That's less than half.

554
00:35:25,000 --> 00:35:32,000
And that means that as opposed to ending up in the hospital with some serious injuries, this time he would have walked away.

555
00:35:32,000 --> 00:35:36,000
A little unhappy him with some bruises, but he would have walked away.

556
00:35:38,000 --> 00:35:47,000
So Buster's only bruised. How about the bystanders? Last time a lethal 90 psi. This time, 11 psi.

557
00:35:47,000 --> 00:35:55,000
That's right. Isn't that cool? Not only is the blast survivable for the guy inside the car, it's also for the bystanders by the side of the road.

558
00:35:55,000 --> 00:35:59,000
I don't know, Doctor, but you might want to have that shoulder looked at. Kind of weird.

559
00:36:01,000 --> 00:36:03,000
It's an astounding result.

560
00:36:05,000 --> 00:36:13,000
Simply by placing the dynamite millimeters below their manhole, the shockwave takes out the car and the car alone.

561
00:36:14,000 --> 00:36:22,000
This is really cool. 95% of the time, what you see in movies and television has no bearing on actual physics.

562
00:36:22,000 --> 00:36:31,000
So it is very funny to me to delve into a cheesy 1980s action show that I totally grew up on and find that their physics are sound.

563
00:36:31,000 --> 00:36:38,000
That is, putting dynamite inside a manhole is a fine way of making a non-lethal explosion that will take out a car.

564
00:36:39,000 --> 00:36:41,000
So how do you want to call this one?

565
00:36:41,000 --> 00:36:49,000
Well, I think the A-team's plan was an excellent plan. The difference between the above ground blast and the sewer blast is patently obvious.

566
00:36:49,000 --> 00:36:55,000
That is a survivable explosion. This one, less so. I'd say it's plausible.

567
00:36:56,000 --> 00:36:59,000
Isn't that thing kind of getting disgusting by now?

568
00:36:59,000 --> 00:37:04,000
It's totally disgusting. It's like chewing on a little tobacco soap sock. It's gross.

569
00:37:12,000 --> 00:37:16,000
Alright, let's get out of here.

570
00:37:16,000 --> 00:37:17,000
Where to, Colonel?

571
00:37:17,000 --> 00:37:19,000
Back to the lumberyard.

572
00:37:23,000 --> 00:37:25,000
Yeah!

573
00:37:34,000 --> 00:37:36,000
Fire! Three, two, one!

574
00:37:36,000 --> 00:37:44,000
Now, if Jamie and I are going to embark on building our own log shooter, we should really test it against some bad guys. Don't you think?

575
00:37:44,000 --> 00:37:45,000
Good enough.

576
00:37:45,000 --> 00:37:51,000
So I want to make a bad guy that pops up like one of those ducks at the amusement park.

577
00:37:52,000 --> 00:37:56,000
And I'm going to cut it out of this foam board. Absolutely badass.

578
00:37:56,000 --> 00:37:59,000
That guy is going to be our first bad guy. Let's try it out.

579
00:37:59,000 --> 00:38:01,000
That's a stable state.

580
00:38:01,000 --> 00:38:06,000
I think that'll work.

581
00:38:17,000 --> 00:38:21,000
In an abandoned lumberyard, it's time to play ball.

582
00:38:23,000 --> 00:38:26,000
Because the Mythbusters air-powered pitching machine...

583
00:38:26,000 --> 00:38:28,000
Three, two, one!

584
00:38:29,000 --> 00:38:32,000
...is firing on all cylinders.

585
00:38:33,000 --> 00:38:35,000
That is awesome!

586
00:38:40,000 --> 00:38:49,000
Well, our cannon is ready. And by our best estimates, this thing ought to fire these chunks of wood at something between 50 and 75 miles per hour.

587
00:38:49,000 --> 00:38:52,000
That is significant and dangerous.

588
00:38:52,000 --> 00:38:57,000
And I want to point out that this is a purely improvised build by me and Jamie.

589
00:38:57,000 --> 00:39:03,000
So all of this design was here on site. A sheer pleasure to see the classic Mythbusters build.

590
00:39:04,000 --> 00:39:09,000
Like the A-Team, the guys improvised their weapon in just one hour.

591
00:39:09,000 --> 00:39:12,000
But will it be able to hurt the henchmen?

592
00:39:13,000 --> 00:39:14,000
Last one.

593
00:39:15,000 --> 00:39:16,000
Locked and loaded.

594
00:39:16,000 --> 00:39:18,000
Time to find out.

595
00:39:18,000 --> 00:39:20,000
What exactly are we testing?

596
00:39:20,000 --> 00:39:26,000
Well, in the clip, the guys spend about one minute and ten seconds firing their wood weapon at the bad guys to drive them off.

597
00:39:26,000 --> 00:39:27,000
Hit it!

598
00:39:27,000 --> 00:39:29,000
Yep. Let's do it.

599
00:39:31,000 --> 00:39:43,000
For us, given that we've busted the tree cannon approach entirely, we intend to test out our own firing mechanism, both in terms of accuracy, quickness to fire, and the time it takes to take out the bad guys.

600
00:39:44,000 --> 00:39:52,000
Outside the double doors, there are seven bad guys, each ready to pop up just where they did in the A-Team scene.

601
00:39:52,000 --> 00:39:54,000
It's showtime!

602
00:39:55,000 --> 00:39:59,000
But can Jamie take them down in just 70 seconds?

603
00:40:03,000 --> 00:40:05,000
It's a perfect start.

604
00:40:08,000 --> 00:40:13,000
As Jamie takes out pop-ups one and two with shots straight to the head.

605
00:40:16,000 --> 00:40:20,000
And from there, well, let's roll an A-Team montage.

606
00:40:24,000 --> 00:40:26,000
Yeah!

607
00:40:28,000 --> 00:40:30,000
Oh! No blow!

608
00:40:36,000 --> 00:40:39,000
Yes! One more! There's like a one last one!

609
00:40:46,000 --> 00:40:48,000
Yeah!

610
00:40:49,000 --> 00:40:51,000
Woo-hoo!

611
00:40:52,000 --> 00:40:59,000
One minute, five seconds! That was awesome! I love when a plan comes together!

612
00:41:02,000 --> 00:41:08,000
We had our targets rigged so that when I hit one, another one would pop up in its place.

613
00:41:08,000 --> 00:41:13,000
I was able to get them one after the other until I had to get the farthest guy out.

614
00:41:13,000 --> 00:41:19,000
The thing is, the further the range, the more that these sticks start to tumble and do unpredictable things.

615
00:41:19,000 --> 00:41:22,000
But even though I took every stick of ammo I had...

616
00:41:23,000 --> 00:41:25,000
Yeah!

617
00:41:25,000 --> 00:41:29,000
In the end, I got every single guy. The rig worked like a charm.

618
00:41:30,000 --> 00:41:31,000
Yeah!

619
00:41:32,000 --> 00:41:38,000
Our task was pretty straightforward. Replicate a clip from the A-Team to Mythbusters style.

620
00:41:38,000 --> 00:41:44,000
Same ammo, completely new construction. We used a spinning wheel this time and an air wrench.

621
00:41:44,000 --> 00:41:45,000
Yeah!

622
00:41:45,000 --> 00:41:48,000
And guess what? It worked magnificently.

623
00:41:49,000 --> 00:41:52,000
It worked exactly like we saw in the clip. It was awesome.

624
00:41:52,000 --> 00:41:59,000
Fireing at 60 miles an hour with near perfect pitch, their rig was the real deal.

625
00:41:59,000 --> 00:42:04,000
And having scratch-pilted in under an hour using junk lying around the lumber yard,

626
00:42:04,000 --> 00:42:09,000
you might say that the Mythbusters have out-18'd the A-Team.

627
00:42:09,000 --> 00:42:13,000
Hey A-Team, if you need our help again, you know where to find us.

628
00:42:22,000 --> 00:42:25,000
The Mythbusters