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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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Unread postAuthor: MrCrowley » Tue Jun 26, 2007 4:34 am

Why do you want to fill from the chamber so much? Its really not worth the hassle of finding a perfect spring that doesn't hinder performance. It may even have to come to your piston needing O-rings so your chamber isn't filled faster then the piston seals so the piston is pushed back. Or in JSR's words
"if you're using a spring make sure you're filling at a slower rate than the equalisation flow"
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Unread postAuthor: flamerz14 » Tue Jun 26, 2007 4:37 am

what about this kind of filling: http://www.spudfiles.com/forums/1-musket-with-4-valve-t8156.html and dont worry, i pump slow.
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Unread postAuthor: MrCrowley » Tue Jun 26, 2007 5:04 am

That gun is filled from the rear which is called the 'pilot'.
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Unread postAuthor: flamerz14 » Tue Jun 26, 2007 7:34 am

:oops: oops.damn. so rear is the pilot..ok I'll be filling likethat then, but 1 questio. about the microwave n gluesticks..how am I going to do that??
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Unread postAuthor: pvcmaster » Tue Jun 26, 2007 8:25 am

I dont know if that is really a good idea. Personally, i would just buy another hot glue gun. Get a mini, they cost like 5 bucks.
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Last edited by pvcmaster on Tue Jun 26, 2007 10:51 am, edited 1 time in total.
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Unread postAuthor: lukemc » Tue Jun 26, 2007 10:29 am

flamerz14 wrote::oops: oops.damn. so rear is the pilot..ok I'll be filling likethat then, but 1 questio. about the microwave n gluesticks..how am I going to do that??


Do you realy need to be spoon fed that much??

seriously this is ridiculous! can you not figure out on your own to put the glue sticks in the microwave melt them take them out and pour it in a mold?
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Unread postAuthor: flamerz14 » Thu Jun 28, 2007 5:42 am

Well sorry!And i'll stick to pvcmaster' suggestion..
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Unread postAuthor: Gepard » Thu Jun 28, 2007 8:30 am

I wouldn't.

To make a decent piston you need the glue liquid when you pour it. The gun only heats it to the melting point. You really need over that so it can flow.

Michael
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