Ok thats good news. I found a 3/4" QEV on ebay. http://www.ebay.com/itm/Pneumatic-3-4-Screw-In-Type-Air-Quick-Exhaust-Valve-/230917768455?pt=LH_DefaultDomain_0&hash=item35c3c58507 I also found a 1/2" slide valve on ebay http://www.ebay.com/itm/360661862600?_trksid=p2055119.m1438.l2649&ssPageName=STR...

Thank you so much for your help.The link to the GGDT helped a lot! I actually came up with a bit more complicated design but it will be able to utilize a 2.5" outer "Shell" of pvc pipe. I also am downgrading to the guerrilla air 13CI hpa tank as it is only 2" in diameter. I have one more question th...

Hey guys. I would like some help from on a little project I am doing. I play airsoft and at the events we play at, you can use an airsoft "LAW" that fires the 2" nerf rockets to take out vehicles. I have a general idea of what I am doing but would like some advice from you guys. I plan to use a QEV ...

Thank you so much for your help! I really appreciate it!

I guess that didn't make much sense lol. I want a constant supply of air going to the air chamber so once I fire ( by moving the ball valve lever down) I can return the ball valve lever to the closed position. Then the air can just fill up the air chamber again. What I need to know is how to limit t...

Hi guys! I have built a couple of pneumatic cannons over the past few years but now I want to step it up a notch. I play milsim airsoft and the game I am going to be playing at I need to make a 2" nerf cannon to be able to take out vehicles. This needs to be something that I can attach a paintball h...