3/4" pvc cap as a piston?

Cannons powered by pneumatic pressure (compressed gas) using a valve or other release.
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mr.potatohead
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well i found that a 3/4 inch cap slides pretty smoothly into a 1inch tee so im going to trie to make a piston from it
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mattyzip77
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Do some research before you continue with this thought!!
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mr.potatohead
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what do you mean
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wyz2285
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Fill it with hot glue I think it will work.
CpTn_lAw wrote: :D "yay, me wanna make big multishot pnoob with 1000 psi foot pump compressor using diamond as main material. Do you think wet bread make good sealant? " :D
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mattyzip77
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mr.potatohead wrote:what do you mean
What I mean is, usually the piston needs to fit inside of a piece of pipe, not the tee. If you are trying to make a barrel sealer with a 1 inch tee housing, you need to put a small piece of 1 inch pipe into the tee for the piston to slide freely. Also, a 1 1/4 inch end cap or coupling fits perfectly in 2 inch pipe!!
Go Bruins!!!!
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