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Blue Thunder Tennis Ball Launcher

Built a pneumatic cannon? Then post it here! This section is for completed, finished cannons that you have built. Please include pictures and information.
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Unread postAuthor: williamfeldmann » Tue Sep 25, 2007 10:33 am

I don't know where you are at, but, any good bicycle shop will sell much better pumps than most places. I bought a really nice pump for around $40 at a bike shop. It has a guage on it as well (still put one on the guns) and can reach 160 psi without even breaking a sweat. There are also pumps called shock pumps which can reach really high pressures but can get a bit hard to pump.

Unless you are aiming for above 150 psi, it is cheaper to hit up the local bike specialty shop for a good pump.
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williamfeldmann
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Unread postAuthor: cwazy1 » Tue Sep 25, 2007 7:28 pm

yeah i just got a new specialized one with a gauge as well. . . i pumped it to 140 and it was amazing...hahahh
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Unread postAuthor: The Kid » Sat Sep 29, 2007 9:54 am

looks nice and that paint job is awsome
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Unread postAuthor: xboxteen01 » Fri Nov 02, 2007 9:52 pm

with a bike pump about how long does it take to reach 100+ psi? sweet cannon btw
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Unread postAuthor: cwazy1 » Fri Nov 02, 2007 9:53 pm

about 40-50 pumps. so not super long, but long enough that it gets annoying. but i made my new co-axial and its half the chamber voluime and it makes my life soo much easier
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