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Piston Help

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: Blitz » Tue Apr 15, 2008 5:26 pm

If it's feasable, I'd build another identical piston, just without that dart tip.
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Unread postAuthor: Sergeant Dotson » Tue Apr 15, 2008 7:09 pm

OK,ok. I did some tests and I came out with this. I can either make it seal and not move back, or make it move back and not seal. I just made some new designs and none of them did both. But now I made one out of 3/4 inch PVC and felt. On one side I made a plug of hot glue, and on the other side I will put in a custom molded silicone piece. I made the mold just now and filled it with silicone. It should be dry sometime this week. But once it is dry I can trim it to my liking. :twisted:

I will post pics soon of my new piston. It is very sturdy and should hold up well. I just hope that it seals well. I tested it and it does slide back very nice though. :)
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