Thank you all for the comments! I think I want a modded sprinkler valve now . Can anyone give me an average price range for such a valve? Also, could I just remove the ball valve and attach the modded sprinkler valve? Or would I need to make changes to the cannon itself? Thanks in advance.

mike1010 wrote:there was 2 min maybe a coincidence, pretty good for a firt

Thanks. Would increasing the length of the chamber increase power?

hi wrote:wow, that is very clean for a first, its way better than my first.

Thanks. That was a wicked-fast response! How did you do that?

Hello everyone. I just thought I'd post some pictures of a simple pneumatic I just made so I could get some feedback. Specs: sch. 40 PVC 2"X3.75' Chamber 1.5"X4' Barrel 1" Brass ball valve Here is a video of me shooting at an almost empty spraypaint can with a potato and a couple of rocks: http://ww...