Bigfoot Launcher: Gary Ensmenger is one of the founders of modern water-rocketry. His launcher is not for sale anymore, but here is a chance to see how things were done. http://www.h2orocket.com/
Dean's Benchtop: Check out the amazing hi-speed videos! He uses a hydrogen combustion launcher to pressurize rockets - don't try this at home, unless you know 105% sure what you do! http://www2.et.byu.edu/~wheeler/benchtop/
Ulrich Hornstein: German water rocket and lancher construction - here is something for us metric-system-guys http://waterrocket.uh-lab.de/
