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Building a new cannon

Post questions and info about combustion (flammable vapor) powered cannons here. This includes discussion about fuels, ratios, ignition systems, safety, and anything else relevant.
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Unread postAuthor: Technician1002 » Mon Oct 04, 2010 9:25 pm

I have pressure tested 4 inch cellular core ABS to 100 PSI with no problems. Someday I plan to hydrostatic test a piece to failure using a grease gun for the high pressure water source. It is on my someday to do list.
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