Put a SMALL nub in the barrel (Like the hop up on an airsoft gun) and it will stay.

Holy Spaghetti! I like the guided ballistics, as long as it's not pointed at me...

I have a M249 Squad Assault Weapon (SAW) and I hooked up 16 batteries in my Backpack on a voltage regulator so I can control ROF when needed. Its 25,600 mAH.

Zeus has a good point. The way the fibre is oriented makes the difference.

Alright, I'll just stick with a breechloading golf ball cannon. Still gonna have a fan and a direct propane injector. What I can do is post some pictures of my POS cannon. Hairspray gummed it up so bad it barley worked untill i put an electronic ignition in it.

Basically a Modification to this system. http://www.advancedspuds.com/gbcannon.htm

I'd Put a Case fan in the chamber with a toggle for exhaust fumes, As for the recoil process I'm working on a drawing and will post when finished. The barrel will move kinda like the AN-94 or M82A1. It would have a free floating barrel that when fired moves back, chambers another round, and springs ...

Looks Fantastic! I'm trying to make a Semi-Auto golf ball launcher. With the main action being barrel movement. Kinda like the M82A1 or the AN-94. But I cant figure it out. And that gun looks alot like the BAR.

I would buy one of these if you can make it shoot golf balls.

I'm trying to figure out a way for a semi automatic combustion cannon. I have already built my first combustion cannon (2 in chamber, 3/4 in barrel, Electronic gas grill ignition) but I want another project to work on. I was thinking about having a moving barrel with a hole in it that the golf ball ...