Gun Freak wrote:It usually says on the tank what the operating pressure and test pressure is... unless you took the label off.

Not in my country, they don't...

600 PSI?! Are you sure? That's about 40 Bar! Do you know what that means? 40 times the atmospheric pressure! I doubt you'll have any significant problem with pressure drop with that kind of power. Get a long barrel handy. For the bulkiness of it, I guess it's not bulky at all. The gun I'm building i...

JSR has it right. IMO, the larger the better, but if it feels too bulky relatively to other parts of the gun it will... erh... be too large. A case example: My marble shooter has a valve with an outlet 1/2 inch wide. I would like it to be larger (maybe 3/2 inches), but then it wouldn't fit in the ot...

Blowguns aren't all that ugly! If you can work with wood or plastic you can do anything with it.

It happens that I've missed that thread! Still, it's refreshing to have a new one about actually building it. It seems to there be a fuss for the trigger pressure, because everyone's thinking in terms of a blowgun. In my design the trigger is a mechanism similar to real weapons, but using a bicycle ...

Hi people! I'm a newcomer here (so I hope I'm not mistaken in the forum section :P ). Every since I've seen the Ukilliheal's paintball/battery shooting pneumatic machinegun (http://www.youtube.com/watch?v=A6Gs2mKNjV0), I thought that one could make an airgun based on Metro 2033's Tikhar (or Tihar in...