So heres what Im thinking
http://s251.photobucket.com/albums/gg28 ... 2968060355
I know its only the camber and there is the other parts

My chamber is 4"
Wont the fan be damaged by the combustion, or is it supposed to be on the other side of a ball valve?

I thought about that, but since I am new, there is still a couple of questions I have about fans

Where can I get one?
How do I install it?
Where do I put it?

Thanks

Ghetto enough for a drive-by

Ha, I also used MS paint for my rough design.

Alright, thanks. Ill go with the traditional screw cap

I saw another video not saying not to use duct tape, so maybe I'd switch all the ductaped parts with electrical tape
Nonetheless, nice gun

Hello, I am new to this website, and the the advanced Spudgunnin' world. I understand the basic working of combustion guns, and was wondering about the chamber design for my first cannon. Would instead of having the traditional 2' of 4" and screw cap, rather have a bit less than 2' and a T-Joint in ...