my spud gun wont work

Boom! The classic potato gun harnesses the combustion of flammable vapor. Show us your combustion spud gun and discuss fuels, ratios, safety, ignition systems, tools, and more.
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McFear
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Private 2
Posts: 36
Joined: Sun Feb 03, 2008 6:45 am

Wed Aug 13, 2008 6:38 am

he said 40-50cm but didnt say diameters for either chamber or barrel.
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