Thanks for the reply Brian. So you're suggesting a solenoid valve with pneumatic actuation? Do you know of any write-ups that would shed some light on how to build one? Could anyone suggest a pneumatic valve that is relatively compact and would suit my needs? e.g. With the Inlet port at the back, Ex...

Hey, I've recently started thinking about a PCP build. I've done research but I'm obviously still a complete novice, so excuse the ignorance. As the title suggests my idea is a PCP QEV 'rifle'. PCP.jpg This is a very simplified drawing, but gives the general idea. But I have some questions. Is it po...