One could tell that these guys were not the brightest bulbs in the chandelier. After he filled it with powder, He tossed the can (still with powder in it) about five feet from the cannon. Not exactly the safest practice. They lost two bowling balls. I think they might be up on the moon now.
I posted the video again because it didn't do right after the forum changed. So.... if you could not see it before here it is again.
I thought it was funny the recoil ripped the wheels off the dolly and bent the crud out of it. I wonder how they got the cannon back to the truck?