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Joining Copper

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: n-strike » Wed May 21, 2008 7:16 pm

I'll check with my tech ed teacher tomorrow...
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Unread postAuthor: rp181 » Wed May 21, 2008 8:52 pm

i tried soldering, its actually really easy. Its like drawing on a really hot peice of metal :wink:
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Unread postAuthor: n-strike » Thu May 22, 2008 7:11 pm

Damn, my tech ed teacher wasn't here today, it was a substitute, and she doesn't know anything.
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Unread postAuthor: n-strike » Thu May 22, 2008 10:48 pm

By the way...how do you join brass?
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Unread postAuthor: ammosmoke » Thu May 22, 2008 10:58 pm

Same way I believe.
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Unread postAuthor: n-strike » Thu May 22, 2008 11:04 pm

Really? You have to solder it too? Gr...I need money...
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Unread postAuthor: stealthyfish » Sun May 25, 2008 4:48 pm

you could use J B weld its glue but its almost as strong as welding and works great on copper or brass (i glued two pieces of copper together side by side).
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Unread postAuthor: daxspudder » Sun May 25, 2008 6:20 pm

Welding copper is way way easy, and the kit to do it costs less than $20us. The blue propane bottles you see all over this site are blow torch bottles, which come in a $20 set, which also comes with solder and flux. Using it is easy, apply flux between the two pieces to be welded, heat it with the blow torch til it bubbles, then press the solder into the flux/joint to be welded. Its extremely easy to get the hang of, and when you do, it will take 5-10 minutes to complete a good weld on a pipe/connector. Epoxy will work, but is no where as strong... and other than that is pretty much suicide. Good luck. :wink:
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