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breach loader

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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breach loader

Unread postAuthor: tape fist » Wed Dec 31, 2008 8:07 am

I'm making an air cannon with a 1/2 inch barrel and i want to make a breach loader only using PVC pipe no copper or metal is this possible?
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Unread postAuthor: Velocity » Wed Dec 31, 2008 2:50 pm

Yes...just take a 1/2" coupler, bore out the stop, and add some type of material to make it seal up better.
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Unread postAuthor: FishBoy » Wed Dec 31, 2008 2:57 pm

Velocity wrote:Yes...just take a 1/2" coupler, bore out the stop, and add some type of material to make it seal up better.


and then cut a section out of the top of the barrel, the coupler sleeves the barrel so that you slide it to open the breech.
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Unread postAuthor: jitup » Wed Dec 31, 2008 3:04 pm

The above method works well and I will employ it If I get around to making a sniper rifle
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if you live in Ohio join the Ohio Spud Gun and BBMG Association at http://www.ohiosga.webs.com
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Unread postAuthor: SP00K » Thu Jan 01, 2009 2:09 pm

I built this bolt-action spud gun. It works wonderful and was pretty easy to make.

I didn't make that instructable, I just used the plans. You can see the gun on spudtech too.
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