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joining the copper piston gun bandwagon (updated and upgrade

Built a pneumatic cannon? Then post it here! This section is for completed, finished cannons that you have built. Please include pictures and information.
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Unread postAuthor: Counterstriker » Wed Mar 12, 2008 6:57 pm

OuchProgramme wrote:Just wondering, would JB Weld/Epoxy be OK to use for a copper gun?
I understand soldering is the best choice, but could the bonds also substitute just as well as soldering?


Soldering is the best way to go.. If you (your parents) think soldering is unsafe they (you) won't be happy when a piece if pipe shoots off and hits you. No subsitute for copper.
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Unread postAuthor: OuchProgramme » Wed Mar 12, 2008 7:09 pm

Hmm...but if operating on low pressures, such as 75-130 MAX...

I think JB/Epoxy should hold...
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Unread postAuthor: Counterstriker » Wed Mar 12, 2008 7:19 pm

Well to be safe I would still solder.. But If you have to then you have to. But put a lot of epoxy.

"Better to be safe than sorry"
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Unread postAuthor: jook13 » Thu Mar 20, 2008 9:26 pm

I edited the original post with new pictures of the gun rebuilt. I think it is better now.
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Unread postAuthor: Gippeto » Fri Mar 21, 2008 12:30 am

A significant improvement, well done! :)
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Unread postAuthor: jackssmirkingrevenge » Fri Mar 21, 2008 4:38 am

4. Added a homemade adjustable sight. I saw the idea somewhere on this sight but dont remember who posted it, wish I could give em credit, works great. I can hit a can pretty regularly up to about 30 feet.


Well done, like it :)

It's the design I used on this project ;)

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