lets say 50 bucks is my aim, golf ball size ammo roughly. My meanest combustion cannon had a 1.5' breech loading barrel and it had twice the range of my other guns. just wasnt half as loud or menacing looking lol.

now that was still too small for a golf ball, but it was pretty close. Id start there

ok guys, i realize this gets asked probably a million times a day. But I have tried combustion cannons, and had a blast. (literally, blew out the screw cap on the back end) lulz were had and most of my cannons have been packed up for so long i wouldn't trust firing them.

flash forward to now, i ...

im aware what the wiki says, it quotes the same email that I mentioned in my post.

all the information I have found runs you in circles or dead ends, never arriving at a definite yes or no.

well, a few friends had me make some for them.

The cops were called, and aside from a noise complaint they were let go and told they could shoot them, just not within city limits.

i figured I had this figured out at this point as any problems wouldve arisen right then and there. If the cop knew ...

Uh back to the subject at hand. With a 2ft 2"pipe barrel I would need a 1.5 foot, or 18 inch 4" chamber for a 1.5:1 ratio? Or is my formula wrong

With that barrel. No lol. That was just for if I wanted to shoot anything bigger. The cannon was built around The smaller 2' barrel at it's side

ok i just typed up a long post and i accidentally closed the wrong tab, fml.

I need to know the best measurements for a 4' chamber 2' barrel spud gun, I know the optimal ratio is 1.5:1 but i never really bothered with it,


My current cannon is a 1:1 gun I think, has a 1" 4'combustion chamber and a ...