ive never been able to get an aerosol to work in a combustion.

go with the "1 its what i use on my marble gun which uses a 3/4 barrel and it seems to be more powerful that alot of the marble guns i see here using a 3/4
valve.

what did you use for an ignition source ? nice cannon also.

i like the gun. are you an Australian as you seem to measure you're pipe in mm. also what is that song playing in the background it seems very familiar.

just build a large sprinkler valve cannon and you would win easily.

i like it. how much flow does the sandblaster give ? and do you get more than one shot when using it ?

but you cant use the stun guns from disposable cameras for ignition. can you ? i didn't think it created an open air spark.

are you sure it would make an open air spark ?

i have two sections of pn18 and there rated to 261 psi. im just saying this to back up mr crowley.

its fine and let me tell you it can be fun.

i have been considering doing this for a while.

a stick with an old cloth on the end. should work a treat.

i also think about making new guns in my sleep lol. and this explains all you need to know about a pneumatic. The price of a pnuematic depends on the type of valve you use to fire the cannon. A piston valve is the cheapest as you can make one for next to nothing, and they perform very well. QEV valv...

yes it is dooable and yes i have done it. http://www.rotteneggs.com/r3/show/se/247872.html

i was told that green gas is natural gas. green for nature ? i thought it was a derivative of petrol.