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BB/Marble Rifle Design

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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Unread postAuthor: STHORNE » Thu May 15, 2008 6:21 pm

(correct me if I am wrong) A longer barrel won't increase power, it will increase accuracy. The power is in the chamber my friend. The chamber...
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Unread postAuthor: FordGtMan » Thu May 15, 2008 6:23 pm

If not made well they can be very unreliable and have a tendency to break


I think if you use commercial check valves it is fool proof, but i have never made one.
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Unread postAuthor: bigbob12345 » Thu May 15, 2008 6:25 pm

The commercial check valves are rated to 150psi :roll:
Not suitable for a high pressure pump in my opinion

And sthorne
A longer barrel can help performance by an unbelievable margin, not just in accuraccy but in power
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Unread postAuthor: FordGtMan » Thu May 15, 2008 6:27 pm

Mcmaster have ones that go up to 3000 psi... Item: 8549T21
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Unread postAuthor: bigbob12345 » Thu May 15, 2008 6:47 pm

Yes but that thing is 20 bucks
Making your own wouldnt cost more than 5
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Unread postAuthor: FordGtMan » Thu May 15, 2008 8:48 pm

The ones that are rated to 500 psi are like less than 10 bucks so i think would use them instead though.
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