So easy a cave man could do it, or something.
These are two designs I made from scraps of whatever I had lying around. This is a pretty old video and I'm surprised I never posted it to the forum. The idea was to make a shooting gun for as cheap as possible. They cost about $3 and $4 each, needing maybe one or two fittings to be finished.
Hopefully this will give some motivation for people to see that it's not hard to make a working gun.
These guns use my standard ammo (http://www.instructables.com/id/Reusabl ... gun-Darts/) and can pierce 1/2" plywood.
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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