I don't think you got DDT... Never on record here anybody got a DDT at such a low mix, even with additional oxygen. I remember one member here may got a DDT (Larda) but that was pure oxy/propane at mix 100... PVC accidents however, plenty out there :wink: 3000 psi is no joke, mix 10 hybrids don't g...

Is DDT at all a possibility here? I mean it did survive a few shots before... Just something that came to me, I'm not at all knowledgeable about it. DDT is exactly what I was thinking. I havent found much information about propane being able to detonate so I might try to setup a rig to test in a co...

Haha thanks guys. The pvc was sch 40 pipe from my local hardware store, not the thin HWV stuff. Probably should have used sch 80 :| As for a burst disk I did some tests with aluminum foil and found that a 5 layer disk ruptured at around 40-45 psi and that is what I used for this shot. The disk did r...

Hello everyone, first let me say a few things. I have been building cannons for almost 10 years. I consider myself to be pretty knowledgable of pnuematics and combustion cannons. Recently I decided to explore the world of hybrids, and having never built one I did tons of research. I wanted to use st...