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builder bog piston

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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builder bog piston

Unread postAuthor: battlemonkey » Tue Oct 02, 2007 2:29 pm

I have wanted to make a coaxal gun for a while and have moved away from the idea of a masive gun for something more portable.
I was wondering counld i use this piece of 2in cast builders bog as the piston with equilisation holes drilled through and a ruber disk on the end.
[img]<a%20href="http://img219.imageshack.us/my.php?image=1313117imgms2.jpg"%20target="_blank"><img%20src="http://img219.imageshack.us/img219/8174/1313117imgms2.th.jpg"%20border="0"%20alt="Free%20Image%20Hosting%20at%20www.ImageShack.us"></a>[/img]
If not what would be the next easyist design
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Unread postAuthor: f.c » Tue Oct 02, 2007 5:51 pm

look at jacks how-to on epoxy casting. i just doubt builders bog would really do the job.
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