2L Bottle Airgun

Cannons powered by pneumatic pressure (compressed gas) using a valve or other release.
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Doctore
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This is my older gun, but I never filmed it in action so here it is. Very simple as usual, 3/4 inch ball valve and 2L coke bottle as air reservoir. I am considering adding a spring mechanism for better performance.


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farcticox1
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What pressure is it filled to ?
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What pressure is it filled to ?
About 6 bars (90 psi), my pump is old, so it can't handle more. I guess that coke bottle can handle up to 120 psi.
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