Self Contained Hydrogen Repeater

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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mrfoo
Specialist 2
Specialist 2
Afghanistan
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Joined: Wed Apr 29, 2015 11:05 am
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Mon Aug 26, 2019 1:51 am

Hah, that's sweet.
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