Is it possible to use 2 chambers using 2 sprinkler valves, one for each chamber? I would have a blowgun trigger coming out of the top of each of them with a nipple and pull both triggers simultaneously. I think this would cut down on the size of the gun by having 2 smaller chambers instead of one bi...

This is my first launcher to build myself. I've helped build my girlfriend's brother's launcher and shot it with him. He used a ball valve, and I don't think that was the best choice. I've done a lot of reading and I've narrowed it down to either a sprinkler valve or a piston valve. I think a sprink...