This is really neat as it allows you to make precharged hybrid shells without always having to change the burst disk on the cannon. Make a bunch of shells that have replaceable burst disks and have a field day!!! Later on that night you can reload your shells. One question through. How do you pre ch...

http://www.spudfiles.com/spud_wiki/index.php?title=Quick_Dump_Valve I can highly recommend this design! Short opening times, and works best with a fat chamber. Could take something like that and replace the second chamber with a spring and make a combustion hybrid. Combustion pressure would overcom...

How about a pneumatic coaxial cannon made so that the barrel is the same lenght as the chamber, this design would look very real and be compact size ? If you dont know what coaxial cannon is, it means that the gun barrel is inside the chamber pipe. Try to search from the pneumatic cannon showcase. ...

Thought about the camlock but that would only work on a pneumatic cannon, I thought about making a mechanism on a slide with a camlock built in and an arm over top. One would lift the arm and the camlock would unlock and slide back ebough to fit a golf ball in to the breech. I definitely wouldn't wa...

Hey guys, somewhat new guy here. I'd like to start out by saying that I have been lurking for years and it's actually my other hobby that finally brought me here. I like to build Scaled tanks (ones you can sit in and drive) My current build is a 40% scale M4 Sherman and I'm at the stage where I need...