How-To: Make a pneumatic cannon with a 2" piston valve.

Show us your pneumatic spud gun! Discuss pneumatic (compressed gas) powered potato guns and related accessories. Valve types, actuation, pipe, materials, fittings, compressors, safety, gas choices, and more.
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Specialist 2
Specialist 2
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Joined: Sat Aug 23, 2008 4:36 pm

Wed May 13, 2009 6:10 pm


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is this website even up anymore?
“The object of war is not to die for your country but to make the other bastard die for his.”
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Corporal 2
Corporal 2
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Joined: Fri Aug 04, 2006 5:32 am
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Thu May 14, 2009 2:30 am

It's tapered to ensure the seal. Using a bit of PTFE you can screw it in nice and tight and get a good seal.

It starts small so is guaranteed to fit, then get bigger and bigger to fill the female thread.

@covey12: No it isn't, it had a lot of problems for a while and then went down altogether. That's why spudfiles got new sponsors.
Those who would give up Essential Liberty to purchase a little Temporary Safety, deserve neither Liberty nor Safety. -Benjamin Franklin
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