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Piston valves

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: rna_duelers » Wed Aug 26, 2009 4:52 am

Think outside the box,do you actually need a glue gun to use the glue sticks?Hell no,get yourself a baked bean can (empty) chop up some glue stick and hold it over a candle,use pliers it will get hot :wink: .

Depending on size of your Tee housed piston you want to build,use your imagination.Coke bottle lids,buttons glued together etc.Use your brain not your wallet.
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Unread postAuthor: M.J.P. » Wed Aug 26, 2009 7:57 am

End caps sometimes fit flush inside a coupler so you could try that.

Technician1002 wrote:A short picture tutorial is below.


Technician i'm interested in how you connected the HDPE to the drill press if the hole didn't go all the way through the piston?
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Unread postAuthor: inonickname » Wed Aug 26, 2009 8:25 am

He tapped a hole and threaded in a bolt which had the head cut off.
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Unread postAuthor: jhalek90 » Fri Sep 04, 2009 2:32 pm

I'm surprised no one has mentioned a bolt piston.

Buy a 1/4'' bolt, slip some 2'' washers on it, find some rubber, and a few nuts and your in business.

Ive, done it. It works better than no piston at all. :lol:
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Unread postAuthor: Technician1002 » Fri Sep 04, 2009 2:52 pm

M.J.P. wrote:Technician i'm interested in how you connected the HDPE to the drill press if the hole didn't go all the way through the piston?


I made a hole just a little smaller than the bolt and force screwed in the bolt and cut off the head. Then I chucked the bolt into the drill press. The hole in the piston goes just past 1/2 way through. The bolt tapped its way in. No tap needed.
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