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 Post subject: Fiber tape for safety
 Post Posted: Sat Jul 05, 2003 2:00 pm 
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Originaly posted by infantrysoldier,
A while ago, I built a potato cannon out of gray pvc pipe. I used 3” for the combustion chamber and 2.5” for the barrel. The combustion chamber is about 1 foot in length, and the barrel is about 4 feet long. I used a black ABS screw-on end for the back of the combustion chamber. I put two bolts in the middle of the combustion chamber placed across from each other to create the gap for the spark. The two bolts are connected to a barbeque igniter, which is taped to the side of the combustion chamber. For safety, I wrapped the entire combustion chamber and about ¼ way up the barrel in fiberglass tape. (Milky-white tape – kinda looks like masking tape with fiber threads running through it. – This stuff is almost impossible to break). I wrapped it both horizontally and vertically, ending up with about 4 – 6 layers of it. For finishing touches, and to make it look totally badass, I wrapped the entire cannon in black electrical tape, with only the red igniter button showing on the side of the combustion chamber. I want to know what you all think about using the fiber tape for safety. I figured, should it ever blow, it will probably just crack, or break without sending shrapnel everywhere. Please leave me any comments and/or suggestions as I am all about the safety. I have pictures available of my cannon that I can e-mail you if you desire. Thanks.


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