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How to Make a Tiny Piston

A place to ask general spud cannon related questions.
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How to Make a Tiny Piston

Unread postAuthor: saladtossser » Sat Apr 30, 2005 7:21 pm

i am making a piston valve for a cpvc gun, and i need to know how i would make the piston, i wanted a stick with duct tape but i fear air leaks. is there any thing i can buy to make it? like a rubber cone and such?
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Unread postAuthor: zeigs spud » Mon Oct 16, 2006 3:49 pm

hmm yes a stick is not gonna be strait enough. what i would do is mabey get pvc that is thin ehough,putty up the hollow part and then wrap it in a thin sheet of rubber. of cource wiht the rubber it will probably have to be maintained and lubricated.
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Unread postAuthor: jrrdw » Mon Oct 16, 2006 5:11 pm

Make it out of a old thread spool maby?? Old C cell flash light?? Wooden dowel/closet pole might be about that big. Use a old pill bottel, i seen someone here allready used a pill bottel and said it worked great. The sky is the limit!
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Unread postAuthor: saladtossser » Mon Oct 16, 2006 5:36 pm

um guys

this is more than a year old and i think i learnt how to make a chamber sealer correctly in this vast time span lol i know i need orings.
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