M.H.I.S Piston powerd golfballer.

Cannons powered by pneumatic pressure (compressed gas) using a valve or other release.
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killagorrila99
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Why dont you make a piston from moulded hot glue? It works for BC.
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rna_duelers
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I might but i want to keep it light as possible.And all that Glue isnt to light,i'll give it a go but.
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subterranean
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sorry im new but how did u make that piston?
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rna_duelers
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It's made from a room deodorant can cut in half with tape to make it fit and some bog to make the concave face flat wiht neoprene to make it seal well.
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spud-tom
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How can i build a piston valve?
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pyromanic13
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what size is the tee? 3"?
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Z0Z0
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nice work I want to make one like this

what did you use for your piston ?

some kind of can cause you said it bent ?
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rna_duelers
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I used a aresol can which was cut in half it was verylight and worked for a few shots but it couldnt take tomany shots and it got bent and stuck in the pilot area so i re-made a piston out of hot glue sticks melted in a tin over a low flame and pured it into a mould its a little heavy but still works very well.

I remade the whole unit added barrel support a slight paintjob shotend the barrel and lost the sprinkler valve and BtB is right the ball vavles work fine to pilot the piston.

This is the link to the upgraded cannon.

http://www.spudfiles.com/forums/viewtopic.php?t=4471&
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killagorrila99
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DUDE! I cant believe your ditching us! Your guns are cooler than mine!
"I'm sorry, Mr.Bush cant come to the phone right now, He's playing cleudo with Mr. Cheney And he has him in the Cupboard with a broom stick" -White house receptionist.
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pyromanic13
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what do you mean he's ditching us... rna? nooo!
Movie dialogue: "The good die first."
Tom: "But most of us are morally ambiguous, which explains our random dying
patterns."
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