ill get a pic for you. its leaking out of the valve. when i fill the chamber i here the air leaking through the barrel. the reason i didnt modify it is because i saw some videos on you tube of people useing there sprinkler valve electronically.

hi, so i made a pneumatic cannon with a sprinkler valve and i am on my second valve now. the first one leaked so i replaced it and the second one worked good for about 2 weeks and started leaking. i dont know why its doing this or what causes this but i'm getting very frustrated with it. i did not m...

i apologize but i dont know how to do that. i live in ohio. i am a newb at all of this

it is a 3/8th inch pipe thats 10 inches long with two valves and a hose about 2 feet long with a pressure gage.

can i get an example?

well i tried around 40 psi? and i dont mean to sound dumb but what is "meter volume"?

i have a 3 inch chamber appx 2 feet long and a 1 1/12 inch barrel apprx 4 feet long. i built a propane meter that has a 3/8th inch pipe that is 10 inchs long thats attached to the chamber that i cant get to fire except for once that barely had any power. im useing a latern ignitor as my ignitor i re...