Getting pulled over while transporting it was one of my biggest fears so we tarped it and took the barrel off the first time but decided to just show it off to the world the second time. I still wonder what a cop would say if I was to get pulled over with that in the back of the truck and the barrel...

The tank is so huge because I got it for free on craigslist, and he who has the biggest wins ;). As for all the valves, what do you guys mean my modding them? The barrel is the length it is because of the ease of transporting it. I have another 20' section of 4" PVC that will attach to the end of th...

So I found this website while I researching for an engineering project and I though I would share my final project with you guys. The project was to launch a water balloon with about half a liter of water about 100 feet on to a target with out popping it. Kinda lame huh? So I wanted to build somethi...