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one more question, then ill shut up.
Posted: Sun Sep 03, 2006 11:10 pm
by whatthehellamidoing
so i tried to fire my gun at 25 psi, and it wouldnt fire. is there a minimum pressure that it takes to fire a coaxial piston gun?
if you guys couldn't tell by my username, and all of my questions, this is my first time building a pneumatic gun, and i do not know too much about the whole piston dealey.
thanks
Posted: Sun Sep 03, 2006 11:14 pm
by dinsdale
perhaps if your piston was too heavy?
try it at higher pressure, i usually start testing at 60 - 80 psi
Posted: Sun Sep 03, 2006 11:17 pm
by whatthehellamidoing
ok ill let the JBweld set up overnight, then start testing it at higher pressures in the morning.
Posted: Mon Sep 04, 2006 5:49 am
by rna_duelers
Well if its not working at low pressure maybe the air is just leaking throught the equilization hole so try the higher pressure and go from there.
Posted: Mon Sep 04, 2006 11:34 am
by noname
Turn the gun barrel down so the piston is against the barrel, then hold it there and pressurize it.
Re: one more question, then ill shut up.
Posted: Mon Sep 04, 2006 4:42 pm
by saladtossser
whatthehellamidoing wrote:is there a minimum pressure that it takes to fire a coaxial piston gun?
there is, it depends on the spring behind the piston, the pressure must more than the spring