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Help with 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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Help with piston

Unread postAuthor: Packols » Sun Apr 08, 2012 12:11 am

last night i just finish my piston air gun it work like a pengun but bigger. i use a tot gule as a piston and it fit very wall. when the epoxy dry i try to shoot it at 200psi and it work great for 3-5 shot but at the 6th shot when i press the valve to shoot the air just pour out and just a little air go throu the barrel. at the 8th shot the piston seem to suck and woulnt move i dont know why anybody help please
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Unread postAuthor: MrCrowley » Sun Apr 08, 2012 2:24 am

Well it would help if you took the piston out to see what was wrong with it...

All we know is the piston is stuck, I imagine the first suggestion would be unsticking the piston... :roll:
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Unread postAuthor: dahakka » Sun Apr 08, 2012 2:56 am

i have same problem before ,and i think it's because the rubber i use to thin or to soft...
...like this
Image
I imagine the first suggestion would be unsticking the piston... [code][/code]
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Unread postAuthor: Packols » Tue Apr 10, 2012 1:37 am

Thx i will try taking it out and look!!!
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Re: Help with piston

Unread postAuthor: jsefcik » Tue Apr 10, 2012 1:34 pm

Packols wrote:last night i just finish my piston air gun it work like a pengun but bigger. i use a tot gule as a piston and it fit very wall. when the epoxy dry i try to shoot it at 200psi and it work great for 3-5 shot but at the 6th shot when i press the valve to shoot the air just pour out and just a little air go throu the barrel. at the 8th shot the piston seem to suck and woulnt move i dont know why anybody help please


proper grammer helps
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Re: Help with piston

Unread postAuthor: Gippeto » Tue Apr 10, 2012 2:04 pm

jsefcik wrote:proper grammer helps


Says the kettle to the pot. :lol:

I believe his first language is NOT English (French perhaps?)and he is thus doing admirably...what's your excuse Jesse? :P :lol:

Awaiting those pictures. :)
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Re: Help with piston

Unread postAuthor: velocity3x » Tue Apr 10, 2012 3:11 pm

jsefcik wrote:proper grammer helps


"Packols" is in Thailand and his english is far superior to yours. You should be nice to him.....someday you may find yourself begging him for a job.
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