yea the bottle is a 2" by 2" square . thanks.

well im afraid if i put it on too tight, the whole thing will just blow up

Well I'm new to combustion cannons so I made a mini combustion out of an oxy pad bottle with a lighter igniter and pen tube for a barrel. But alot of times when i ignite it, the top with the barrel just goes flying off, and a few times its shot a wad of tissue around 40 feet. How come the top goes f...

yea i had a feeling the camera flash was a little too complicated considering i couldnt even get the camera open thanks for the tip

Well i heard some people suggest this and I have an unused old film camera with a good flash, how could i make that into an igniter?

Btw, does anyone know how i can get a 2 wire bbq igniter? mine only has 1 wire and doesnt work.

thanks

grr still doesnt work ill never get a combustion launcher

oh well thanks alot. ill let you know how it turns out

if i attached a wire to the wire from the igniter, so both thumb tacks were wired, would that help?

well that was a fast response thanks.
but right now, im not using any fuel, i cant get the thing to spark yet

the gap is 1-2cm
is there supposed to be 2 wires coming out of it btw?

Well I was looking around and i found this site, and i saw that purell mini, i wanted to build one like it, i have a mini scope mouthwash bottle, with a pen tube through the cap, snuggly. So, i got a bbq lighter, and it make a spark in the ligher, when I took it out, it won't spark on thumb tacks or...