Quote:
Originally Posted by artdutra04
PLEASE DO NOT USE PVC FOR AIR CANNONS. PERIOD.
PVC is NOT AT ALL safe for pressurized use, as it is a very brittle material. If there ever is a leak in the material, the result will be a catastrophic explosion of PVC shrapnel. Just because it may have been used without problems does not mean that it is safe.
Please, for the sake of innocent bystanders who may be near the robot if the PVC explodes, don't do it. Spending a little more money up front on better materials is well worth it if someone is severely injured from PVC shrapnel and decides to sue.
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I agree. As I read my previous post, I realized that it could be seen that I was advocating a PVC air cannon. In no way am I doing so. I was simply stating how I built an air cannon. (Just a little disclaimer)
PVC is dangerous folks, and shouldn't be used for super-atmospheric pressures