i just dont think it could get hot enough

garrettee wrote:I believe three days ago I said to check the air-fuel mixture. I won't do that again, sorry for bothering you.

whats up ur ass?

ill try it tommorow

ok so i know my gun fires so here is my question i have a detachable barrel. the male adapter is 8" from the combustion chamber. if i load a projectile behind the adapter, it gets hung up, if i put it in fron of it, most of the pressure escapes via the adapter and the projectile barely moves. i have...

what were u using as your fuel?

are you taking in to account that my gun has a 301.3 cui chamber voulume

i just built a new gun the chamber is a 24"x4" PVC, with a stun gun wiht single electrodes in the middle and a 80mm chamber fan in the reare of the gun, at the bottom of the female cleanout adapter. i injected 4 seconds of propane witht he fan running and the gun did not fire. i then tried axe in di...

89 sierra

for pics:

myspace.com/obctg

i think the reason why acetelyne is feared is because of its detonation speed and temperature. not to mention is unstableness. My dad is a welder and he said he would never dream of using oxy-actetylene in a PVC or ABS gun. he said he would only do it wiht like 3/8" steel

oh crap, its been so long since ive posted a new thread. sorry ill dbbl check next time

is there a certain technique dealing with chamber fans that yeilds the most power? For instance, do you leave the fan running while injecting fuel and firing?

Lewbo wrote:give it a paintjob and it will increase the coolness. because now it's just a another spud gun

actually, most people who look at this site are serious spudders. so there are probably mroe people who paint theres than not

so pete

is there a formula for finding moles of oxygen required per 1 ft. cubed?

are you trying to flatten pipe?

use a pot full of cooking oil, you dont want it too hot, probably around 300-350 F, or medium high heat

i can safely comfirm tha gasoline does not dissolve PVC. last night, after reading about this, wen to my garage where i cut a portion of 3/4" sch40 PVc and soaked it in gasoline overnight. By today in the afternoon, the pvc was still intact with no harm done to it. so it is safe to say that gasoline...