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Massive Cannon

Post questions and info about pneumatic (compressed gas) powered cannons here. This includes discussion about valves, pipe types, compressors, alternate gas setups, and anything else relevant.
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Massive Cannon

Unread postAuthor: Saboo » Wed Sep 05, 2007 7:25 pm

My friend and i made a pretty big pnuematic gun. It shoots mni tennis balls about one hundred metres (6 b-ball courts) however because it was built for a so called 'science experiment' we had to downsize the range capabilityes. How can we increase the range capabilities, with out changing the 800 PSI pressure tank.

(would barrel length make a difference) :?
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Re: Massive Cannon

Unread postAuthor: spudkilla » Wed Sep 05, 2007 7:48 pm

Saboo wrote:My friend and i made a pretty big pnuematic gun. It shoots mni tennis balls about one hundred metres (6 b-ball courts) however because it was built for a so called 'science experiment' we had to downsize the range capabilityes. How can we increase the range capabilities, with out changing the 800 PSI pressure tank.

(would barrel length make a difference) :?



Yes.
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Why do I try to make a relevant post?
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Unread postAuthor: singularity » Wed Sep 05, 2007 7:53 pm

a very fast opening valve would help a great deal possibly a metal piston valve
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be sure to check out my <a href="http://www.spudfiles.com/forums/ak-style-airsoft-vortex-gun-t10959.html">AK Styled Vortex Gun</a> and my <a href="http://www.spudfiles.com/forums/at-4-t9627.html">AT-4 Rocket</a>

upcoming projects... finalized clip fed BBMG and ball point pen sniper
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Unread postAuthor: Killjoy » Thu Sep 06, 2007 12:06 am

why don't you give us some pictures to help us seeing what could be modified to guve it long range capabilities.
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Unread postAuthor: mike1010 » Thu Sep 06, 2007 12:18 am

what valve are you useing and what is a mini tenis ball?
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Unread postAuthor: Saboo » Sat Sep 08, 2007 6:33 am

Our mini tennis ball is a smaller version of a tennis ball that is designed to fit in a dogs mouth.

I can post a picture soon. The gun is at my friends house at the moment.
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Unread postAuthor: Orpackrat » Sat Sep 08, 2007 12:36 pm

Larger chamber, Longer Barrel, Larger valve, make a foam seal (for behind projectile) for best efficiancy.
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K.I.S.S. "Keep It Simple ******"

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