73-87chevytrucks.com
73-87 Chevy _ GMC Trucks => Projects Posts (NOT VEHICLES) => Topic started by: jeremy.farlow on March 25, 2021, 09:53:36 AM
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This may not be the best place to share these, don’t beat me up too bad, I didn’t pick the vehicle.
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Other side:
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And the machines what done it:
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The next victim is the Acura TL on the lift in the background.
Be safe and stay healthy
Jeremy
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Back to your tricks again Jeremy? ;D
It's not really work when you enjoy what you're doing!
Glad you're back in the saddle making $ again.
How's the White Whale?
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With moving my shop and going back to work it’s been on the back burner. I’m still having some transmission issues that I hope to get back into soon. The new shop is almost ready to accept the truck and I’ll be back to updating when that happens.
Be safe and stay healthy
Jeremy
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Those are sweet... What pressure do they operate at, what are you using for system fluid, air, nitrogen, hydraulic?
I'm guessing you can control each separately so the flip can be in either desired direction.
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Just zoomed in and I see the pneumatic presslock fittings.
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It’s all air. Nitrogen more exactly. There’s a high pressure side actuated by a low pressure side. Low pressure works around 90-110 psi. High pressure side, it depends. The C/10 took 1800 psi. I’m trying to see if they’ll let me go “FULL SEND” on the Acura. On the high pressure side all the fittings are hydraulic, so they can handle the pressure. Air works great for this kind of thing because it’s a spring. It can always be compressed more and wants nothing more than to equalize with atmospheric pressure.
You could definitely run this machine hydraulically, but it will be slower. Accumulating hydraulic pressure is more involved than accumulating air. It wouldn’t be terribly difficult on a system of this size, but the speed air expands at still wins every time.
On the truck both arms are facing the same direction. For the car they want it straight up in the air, so the arms face opposite. The car is gonna come more or less back right where it came from. There’s a good chance something may break. The units are bolted to a road plate rented for this job every time. We drill the plate and mount the machines for the circumstances and weld the holes before we return the plate.
Fun times.
Be safe and stay healthy
Jeremy
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"Yeah, we don't know how those shiny spots showed up on your road plate... ::)"
You could always use graphite spray to 'blend in'...
So I realize timing is critical, but do you have a skid plate under the truck to avoid the arms getting tangled?
If you have to protect trade secrets, I get it... 8)
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The only trade secrets are what the guy with the camera is doing. I’ll sign NDA-type documents, depending on the production, but their concern is always for their product. Any tests that I film for myself, etc are mine, though I do generally keep my videos to myself until the project I filmed them for have aired.
To answer the question, yes, there’s a piece of generally 3/8” or 1/2” plate welded underneath the vehicle to be flipped. It’s there for the exact reasons assumed, to give the arms a nice flat piece to push against. There again, the true magic is attempting to hide, or at least not showcase, the smoke and the mirrors.
No matter how hard we try and no matter how talented the camera and editing departments are, there are still plenty of examples where some part of the rig gets seen. My girlfriend won’t even watch action movies with me anymore as I can’t help but suspend her disbelief for pointing out the smoking holes under cars where a cannon was, or the obvious shift from a prepped car with a roll cage to a stock vehicle.
As for the road/trench plates, they don’t care what you do to them, so long as they’re restored to a *mostly* flat, smooth plate when they get returned. Drill holes in them, weld stuff to them, as long as you fill the holes or cut the stuff off they don’t care.
Be safe and stay healthy
Jeremy
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Came back and did it again tonight:
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There’s charges to blow the windows, triggered off a runaway trailer brake release. The sparks on the underside are just from the metal-on-metal when the arms hit. Best guess is 8-9 feet off the ground.
Be safe and stay healthy
Jeremy
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Trying to imagine what is being conveyed by the scene of a car levitating and blowing up? Demon possession?
Maybe grease the skid plate to keep the sparks down? or will it catch fire? ::)
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Superhero stuff. I mean, everyone knows that when a supervillain blocks a superhero’s energy blast, somewhere a car gets its wings... the car, in this case, is at least close enough to be believable.
As much as I love my work, even I have trouble suspending my disbelief fully. Not too much makes a car blow up like this... but it’s one of those Hollywood staples. Just like bullets that spark when they ricochet or setting the world on fire with a casually-flicked, errant cigarette butt.
Typically these things are deus ex machina type actions used to move the story along. Sometimes just cause they’re cool.
Be safe and stay healthy
Jeremy
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Once more, in the wee hours last night:
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You can clearly see the plate welded underneath the car in several of the shots. You can also see just how fast modern explosives are. The hits in the rear hatch glass fire, the hit on the propane goes at the same time, but the fireball takes a second to reach the hatch and pushes the now shattered glass out with it.
This jeep wasn’t weighted nearly as well as the Acura and the road wasn’t level in either direction which is, I think, why it gets so sideways... the flippers didn’t fare so well this time and I’ll be going completely through them, hopefully sooner that RIGHT before they need to get used again.
Jeremy
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Doing repairs on your flipper mechanism must keep you busy! Do you keep many spare parts for it?
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PORTLAND??? ;D
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Doing repairs on your flipper mechanism must keep you busy! Do you keep many spare parts for it?
I built these things in 2014. I don’t think they’ve ever been gone through since the initial build. A couple fittings have been replaced or changed here and there, but the overall setup is as I first built them. The Jeep came down hard on one of the firing systems, I didn’t get a close enough look to say whether it’s repair or rebuild time.
Spare parts... not a chance. Thankfully the main assembly is pretty bulletproof. Worst case scenario I write off one or both firing systems and rework them.
Be safe
Jeremy
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It’ll definitely need a new cylinder...
Jeremy
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Looks like business is booming
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Poor little C10.......... :'( :'( :'( :'( :'(