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my first copper shooter....and first post...

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: lockmanslammin » Thu Feb 14, 2008 9:05 am

Ragnarok wrote:
I would normally recommend more than the d/4 rule, because of potential piston bounce, and just to be sure really

I will probably shoot for around a quarter inch both to make up for possible bounce and the fact that I may screw it up, seeing as I cant look at the seal from the side now that its soldered together.

jackssmirkingrevenge wrote:
But in this case, the piston doesn't sit in the tee itself.

I wondered if anyone would notice that. the reason is, I don't get how you "bore out" the tee without weakening it? I wanted everything full strength. Its like barrel rifling, how can that not totally weaken the pipe?

By the way, I have no clue how to get the quote thing to work, so like a resourceful noob, I used the ole' copy paste trick :D
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