pic: T Shirt Shooting Robot

[jason701802]

I am going to quote artdutra04 from another thread on the reasons to not use PVC

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.

If you want to read more about this topic, just search CD for "PVC cannon"