1'' modded sprinkler valve
the chamber size is 4''X 2 Ft. Sch 40

i have a launcher i made using a 1'' barrel. i have plenty of stuff to shoot with but i would like to make a barrel to launch golf balls and tennis balls. i tried the fit of the tennis ball in a 2 1/2'' pipe and its a little tight bit i think it will work. the golf ball however i cant find a pipe to...