Barrel sealing Marble Sawed-Off to Sniper

Cannons powered by pneumatic pressure (compressed gas) using a valve or other release.
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chaos
Sergeant 3
Sergeant 3
Posts: 1205
Joined: Wed Jan 17, 2007 8:31 am

nice man cant wait to see it, urrmmm your camera seems good enought to take decent videos, and pics, plz upload a heap them to photobucket
locksmith
Specialist
Specialist
Posts: 119
Joined: Tue Mar 20, 2007 4:55 pm

marbles are about 5 grams on my scale .metal tank upgrade would be great
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Mitchza89
Sergeant
Sergeant
Posts: 1056
Joined: Tue Jan 09, 2007 12:05 am

Hey guys.... The cannon broke :( The part of the barrel that was epoxied to the Tee has given way. I've had to totally rebuild the valve. Luckerly I was able to use alot of the parts I originally had. I've come up with a way that the barrel is screwed directly into the T so no more weak cheap arse epoxy :D Plus I've made a whole new piston from scratch. Its made from aluminium, the pilot has been reduced a hell of alot, the piston slides effortlessly and when the piston does move back to open the valve, it completely seals up against the back of the Tee so I don't lose any pressure :D So far this has been my most fidly cannon but I'm sure I'll get some insane results.

Mitcho.
Wash Burn
Private
Private
Posts: 11
Joined: Tue Mar 20, 2007 8:08 pm

Nice gun man! I only think you should build a pvc chamber and paint the valve, it's nice to paint it!
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