well it takes me about 1,5 minute to 50 inches long chamber with my ghettocompressor :) Sorry for offtoping but I've read that many people have some problems with pumping their spudguns - has anyone ever suggested here to use this: http://www.modelarz.one.pl/img/porady/kompres/05.jpg It is a part of...

Hi, I am new here but I have some experience in building pneumatic spudguns (mostly 1/2 inch steel pipes and fittings and i normally pump them to 250 psi). However the problem is that so far I've been using ball valves. I've read that QEVs have better performance but I have some questions for you fi...