I have some videos, they will be up as soon as i get around to it

and here's another video:
http://www.flickr.com/photos/17071948@N05/6598395263/

Yeah the cleanout sucks, I loaded it with teflon, it will leak down from 100 psi to 80 psi in maybe 2 min. I glued a coupler on the back side of the hole drilled into the cleanout so that the pilot valve nipple has something to bite into. Not the same for the 1/4" nipple, I just drilled a hole and l...

I built this thing a number of years ago, and repaired it this week. It kicks @$$. 16' x 2" barrel 6"x 7.5' tank 4" ported quick exhaust valve Piston made from 3" coupler sanded down, metal face with reinforced gasket material Sprinkler valve pilot actuated, solenoid actuated off truck battery (form...