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[New here] First pneumatic gun to start the SpudLife

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: Technician1002 » Fri Dec 31, 2010 4:44 pm

On the Marshmallow cannon, about 2 hours. On the T shirt launcher, a couple days working off and on in my spare time.
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Unread postAuthor: metalmeltr » Fri Dec 31, 2010 4:56 pm

now that is patience!
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Unread postAuthor: metalmeltr » Sat Jan 01, 2011 11:20 am

I think and engine cylinder hone may work on larger pipe. Image
Min-2"
Max-7"

Engine Cylinder Hone

On small pipes a brake cylinder hone may work.
Min-11/16"
Max-1"
Brake cylinder hone

Edit: This brake hone has a larger capacity
Min-1 3/16"
Max-2 3/4"
Larger brake cylinder hone
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Unread postAuthor: Technician1002 » Sun Jan 02, 2011 5:59 pm

A brake hone works well.. After the wall of the pipe seam is removed. You either need a quick way to make it small or if very lucky, find a pipe with a really small ridge to begin with.
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Unread postAuthor: metalmeltr » Sun Jan 02, 2011 7:31 pm

What about a sanding drum on a Dremel? Too inprecise?
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