huge polish cannon

Boom! The classic potato gun harnesses the combustion of flammable vapor.
gabeb123
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me and a buddy where talking and would it be possible to build a polish cannon out of 55 gallon drums and shoot a exersice ball out of it or would the 55 gallon drums be way too thin
brogdenlaxmiddie
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Stop being a dorkweasel and get your head out of your bum. :)

Think son, think. If your not capable of conceiving the relative forces for that cannon, then you 'ought not be buildin' her. :roll:
gabeb123
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thats what i was saying i was putting it here pretty much to make a point to my buddy i hope this will keep him from blowing himself up
brogdenlaxmiddie
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Wow, still a fail... Dude, I recommend starting off with something small like a regular 'ol spray and pray. 1 foot x 3" chamber and a 3 foot by 2" barrel.
gabeb123
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allready done it i allso got a pneumatic and a regular polish cannon
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jackssmirkingrevenge
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Whenever I read "polish cannon" I cannot but think of this unfortunate AC-119 Stinger nose art...
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Moonbogg
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I say go for it. I see nothing at all wrong with using a steel barrel to launch excercise balls.
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jackssmirkingrevenge
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Moonbogg wrote:I see nothing at all wrong with using a steel barrel to launch excercise balls.
I have (unfortunately) seen sealed steel drums rupture violently due only to volatile solvents inside expanding as a result of solar heat, bowing out and tearing at the seams. They're tough, but internal surfaces are large and there's a lot of force imposed on them even with low pressure.

Not saying this won't work, but caution should be exercised
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Moonbogg
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Yeah thats a good point. Remote detonation highly suggested. No hand helds :lol:
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jackssmirkingrevenge
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Moonbogg wrote:No hand helds :lol:
That would certainly be amusing, to distant onlookers at least :D
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ramses
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You could wrap the tanks in fiberglass. and it would be amusing to see someone hand hold the cannon.
POLAND_SPUD wrote:even if there was no link I'd know it's a bot because of female name :D
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Screw it, go shoulder mounted and make if 3 barrels long.
gabeb123
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ya cuz everyonr can carry those lol no im pretty sure that you might get a shot out of it but i think it is extremely dangerous. today my buddy said if ill help him make it he will supply the barrels and shoot it but i dont think he will be able to get 2 more barrels but if he does ill try to take pictures and post them because that would be really cool looking
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Technician1002
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gabeb123 wrote:ya cuz everyonr can carry those lol no im pretty sure that you might get a shot out of it but i think it is extremely dangerous. today my buddy said if ill help him make it he will supply the barrels and shoot it but i dont think he will be able to get 2 more barrels but if he does ill try to take pictures and post them because that would be really cool looking
If you do make one, video would be awesome. :D
gabeb123
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i know wouldnt it :) it will take a lot of time and rods to weld it up though
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