hmm... the idea came when i was trying to picture how a normal piston valve worked... my idea seemed simpler... i had a few others, i'll add them when i have more time

i suppose that could work too... i was just thinking of making a marble gun, that would have to fire cylinders

yah, that was my idea. the drawing isn't too great since i'm still trying to get used to open office.

thanks

so me and my buddy make cannons fairly often, and he has been coming here for a while. well last night we were talking and i came up with an idea for a piston idea.. he thought it was good so i decided to post it here.

pretty much you have your chamber that you pump with air, and as the air goes ...