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potato pulverizer

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  • it could be.......randy?
    Hi all, being a genuis(NOT!) welder, i got the brilliant idea that i d make a cannon using two inch pipe 48 long, with a combustion chamber made out of 4
    Message 1 of 1 , Mar 13, 2003
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      Hi all, being a genuis(NOT!) welder, i got the brilliant idea that
      i'd make a cannon using two inch pipe 48" long, with a combustion
      chamber made out of 4" pipe 18" long. so far so good. i then
      threaded a spark plug into it, and ran a wire from a chainsaw
      ignition. now the fun part. acetylene is the most volatile gas in
      exhistence, you can't have acetylene at more than 15 pounds per
      square inch pressure or it goes BOOMMM!!!, all by itself. thats why
      they put acetone in acetylene tanks, it absorbs the acetylene so it
      can be stored at higher pressures. the other part of the formula is
      pure oxygen, the welding or the medical kind. oxygen doesn't burn
      all by itself, but when mixed with anything else that does burn,
      well, it just makes the burning stuff burn wayyyy faster. so, 25%
      acetylene, 75% oxygen in a steel potato gun = 1 HUGE boom
      and.....juice. way too much jam to be of any use for potato
      launching, but wrap a ball bearing in enough cloth to get a snug fit
      in the barrel, i wonder where the damn thing came down. I don't
      recommend you try this tho, unless you know how to do an x-ray
      quality weld and how much pressure the metal can take, cuz you could
      have shrapnel all over hell if you build it wrong, ouch.
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