
I had some spare time and parts, the barrel is not connected in the picture. It is powered by and internal 9oz Co2, 2-1/2" ball valves, 7"x1" expansion chamber. It is the shorter version of my other launcher.

My first attempt with contious air, barrel not attached, Powered by internal 9oz Co2, 1-1/4" and 1-1" ball valve, 9" expansion chamber that varies between 1/4" to 1" in dia, luncher needs to be finished (paint and bolted securly).







