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Some Copper Related Questions

A place to ask general spud cannon related questions.
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Unread postAuthor: sniper hero » Sun Jun 01, 2008 3:23 pm

ok thnx but for me copper pipe ratings doesn't matter since I won't go over 300 psi coming time.
and because I thought to know a proper solder joint is rated to around 200 psi
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Unread postAuthor: SpudFarm » Sun Jun 01, 2008 3:29 pm

DYI used gunpowder on that pipe.

the color on the inside says it all.
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Unread postAuthor: DYI » Sun Jun 01, 2008 3:35 pm

Did you do the pressure testing your self?


Yes, I did.

Just build a barrel sealing piston valve. Unless you're shooting for some insanely high pressure, it shouldn't be too difficult to throw together, especially in copper fittings, which are nice and smooth on the inside.

Also, I DID NOT use gunpowder on that pipe. I used 5 grams of Al/KClO4 flash powder
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Unread postAuthor: SpudFarm » Sun Jun 01, 2008 3:43 pm

hmm i talk to you on msn DYI :?
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Unread postAuthor: Darkside 6ix » Mon Jun 02, 2008 12:44 am

Thank you guys for all your help. I think Im getting too ahead of my self because I havent even finished the PVC gun Im currently working on. If someone could tell me the parts in the picture of the homemade QEV then that would be awesome.
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