I have used cell core pvc for combustion chambers before and had no ill effects. I would definitely wrap it in a good layer or two of duct tape, and check your chamber at least every five shots it insure that it looks more or less like it did when you bought it. My local hardware store only has ...

Sorry for the lack of extra pics, i'll try to post some more. My camera really sucks, and that was the only good looking pic out of about ten. I have a camcorder, but I live in a town house and we're all going to have to wait until I can make it out to the sticks to get some good video (sorry). I'm ...

I agree with ArcticWolf, with a lot of trial and error I find that I like a
1.5:1 ratio. I think that a combustion cannon should be loud as all HELL!

I use the same exact core with no problems, just dont use propane or butane to be on the safeside. hairspray, deoderant, or some airfresheners my favorite (keeps the gun smelling nice) they will all provide plenty of kick.

Almost a whole roll of electrical tape (60 feet), the chamber is 3" wide 1 foot long, The barrel is 1.5" wide and 2.5 feet long.

Hello everybody, I'm new here and just want to show people what im working with. I'm ready to read, learn and laugh. Feel free to ask questions, or poke fun of me