The Big Bang...

Boom! The classic potato gun harnesses the combustion of flammable vapor.
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lukemc
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i made a carbide cannon a while back its fun to mess with. i use calcium carbide powder and it is much more explosive than rocks. its so loud if you get the right mixture.
"Those who are different change the world. Those who are the same keep it that way"
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iPaintball
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Thanks for your concern CpTn. The chamber was made from sch 80 pvc wrapped in a couple layers of duct tape. (I was really safety conscious because of an article I read about a guys chamber exploding and blowing out his ear drums...) The cannon could withstand a large amount of pressure before failing, so I believe I was quite safe...
P.S. Scope it's calcium carbide
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SpudBlaster15
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LGM
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Where does one calcium carbide outside of exposing calcium oxide to an electric arc with carbon electrodes?
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iPaintball
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LGM, go to calcium-carbide.com. It's $12 for a one-pound pail.
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chaos
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hmm...... i feel like trying this in an oxy rich environment.
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