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Marble Shooting Rifle (B&A) prototype

Built a pneumatic cannon? Then post it here! This section is for completed, finished cannons that you have built. Please include pictures and information.
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Marble Shooting Rifle (B&A) prototype

Unread postAuthor: Acdcmonkey1991 » Sat Mar 31, 2007 2:35 pm

This is my first posted pneumatic. It is a marble shooting air rifle. The chamber is 8 inches of 1 1/2 in. pipe, the barrel is a 2 1/2 foot long piece of 1/2. The gun is filled by a schroeder valve near the chamber. For the trigger a used a cheap 1/4 in ball valve. Everything else is 1/2 in. pipe. It is a muzzle loader but I need some ideas for a compact breach loading system.[/quote]
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Ill get a better picture soon
Last edited by Acdcmonkey1991 on Sat Mar 31, 2007 2:50 pm, edited 5 times in total.
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Unread postAuthor: hi » Sat Mar 31, 2007 2:40 pm

you think you can show us some pictures? For a breach loading system you could just cut a hole in the pipe and slide a coupler over it. You should have bought a qev, they are only like $5 more than a ball valve. You could buy a QEV and exaust it with a ball valve, it will be twice as powerful. it sounds cool, try posting pictures.
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Unread postAuthor: c19o » Sat Mar 31, 2007 2:40 pm

Umm..... I dont see a gun.
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Unread postAuthor: Acdcmonkey1991 » Sat Mar 31, 2007 2:47 pm

Sorry to ask this but Im a major noob. Whats a QEV
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Unread postAuthor: hi » Sat Mar 31, 2007 2:49 pm

quick exaust valve, it will boost your proformace by maybe 150%
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Unread postAuthor: noname » Sat Mar 31, 2007 2:51 pm

Quick Exhaust Valve.
You could also buy a sprinkler valve, it's cheaper and is inline, whereas a QEV would screw up your design. Pretty good for a first.
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Unread postAuthor: Acdcmonkey1991 » Sat Mar 31, 2007 2:51 pm

Sorry, another noob question... Where can i get one/ how can I make one?
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Unread postAuthor: noname » Sat Mar 31, 2007 2:53 pm

Home Depot or pretty much any hardware store has them.
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Unread postAuthor: Acdcmonkey1991 » Sat Mar 31, 2007 2:59 pm

Alright, thanks a bunch for the help.
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