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lubricating inside of barrel

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: Berkut » Sun Feb 26, 2012 12:24 am

I am using a vortex howler, which is a bit bigger than the barrel ID. My barrel is longer than the original design, which had a chamber approx. 14 in long of 3 in PVC. I tested the lithium on the football and it had no effect on the strength of it. Lubed the barrel well and got approx. 175 feet from a 70 psi charge. The barrel to chamber ratio is not as good as it could be, but this is mu forst build; my next build will be better. Keep an eye out for my launcher in the showcase section!
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