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My first gun thingy

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: Zen/// » Sun Nov 25, 2007 3:53 pm

People have tested them to (160psi?) and they usually burst, you should change the bottle regularly.

Keep the pressures below 70psi and change the bottle regularly.
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Unread postAuthor: iknowmy3tables » Sun Nov 25, 2007 4:12 pm

that pump is defiantly not a nice bike pump and your defiantly not getting good pressures with that, the diameter is way too big,

is that for inflating balloons, then I might add that its not that safe or at least pretty fragile, use a real pump next time (under 1" diameter) the only thing I'd use that for is a water gun
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