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Please help a nube.

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: om3n » Mon Feb 01, 2010 7:56 pm

Alright, I went to home depot today and realized that I cannot find a hose barb like the one in the video below for anything. Is that common?? In fact, how in the heck does he screw it backwards into a pipe thread? Is that T fitting not a pipe thread?

Also, how do other people make the sealing surface for the barrel of their piston guns? Is it common to use a barb like that one? I would like to use mostly 1" galvanized pipe, but I'm just having a really hard time coming up with a viable sealing surface; I'd like to use a barb, but I can't find one like that one.

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