Now that I've considered all the options, I've come up with yet another :D

I've always wanted to make one of the classic spudzooka designs, the coaxial with the gasket rubber and sheet metal diaphram. Since the firing mechanism on the spudzooka is significantly better than a rainbird, I could fire ...

c19o - That's kinda what I figured would happen, especially if I go with two 4" barrels :lol:

Novacastrian - Well first of all, they'll be next to the DJ booth, which will be sectioned off with caution tape. I'll also wait untill about 10 minutes to midnight to pump it up, and leave the wire leads ...

So my friend is DJing a party on New Years and I've been commisioned to build a confetti cannon for the event. What I want is a twin barrel system that fires one shot from each side of the dj booth, and both barrels are powered by a single large pressure chamber. A high confetti capacity and launch ...