Pneumatic Spud Shooter
by Bob Simon
PURPOSE
Ever seen those silly little hairspray powered spud guns that are all the rage? How'd you like to show up those guys with a cannon capable of launching spuds nearly 5 times farther? Read on...
Testing of hairspray spud guns revealed they can develop no more than 10-20 PSI chamber pressure. Most are built from schedule 40 PVC pipe. 3" PVC pipe has a burst pressure...