I wonder If I could persuade a paintball pod to work for this?
just cuz I like the compact-ness

I'd get the 68 just for the common availability of ammo.

So, is this project going anywhere?

lol. I wonder if I could bring something like this to school.

... hydrogen will burn faster then the other gasses. But I was recently thinking of acetylene dissolved in acetone. 250 liters of acetylene gas at room temperature will dissolve into one liter of acetone, imagine how energy dense you could get your fuel.

my friend's valve honks... LOUDLY
I am trying to persuade him to mod it... lol

I prolly would have tossed a kno3/sugar smokebomb back...
what.... why are you suffocating? why is there a hole melted in the bottom of your car?

I don't recall seeing affordable 2" sprinkler valves, nor are they usually rated to 200 psi

very niceley done...
what do you use for 6mm barrel?

Thats what i figured would be the end result. Except i am launching from a pneumatic. Ooops--combustion cannon thread. Too bad, this should be under ammo discussion anyway.

And nobody cares if i destroy tennis balls, so impacts wont be an issue either.

oo store it in potassium.

At least you'll know when the water got in *cough*explode*cough*

lets shoot godzilla out of a hybrid.

wait, tennis ball lube?
i thought you just rammed them down a 2.5inch sch 40 and were done with it.

Aturret is only advanced when it aims itself.
I am sure you've seen that autoaiming airsoft turret...
http://www.usmechatronics.com/old_page/turret.htm

so, why the hell not make a hairspray hybrid?
*converts piston valve*