Water Rockets
Links
Spaceworks
http://www.geocities.com/spaceworksonline/index.htm
A construction guide for rockets and a launcher, links, and software.
Water Rocket Index
http://ourworld.compuserve.com/homepages/pagrosse/h2oRocketIndex.htm
Many tips on safety, building water rockets, fins, recovery systems, aerial photographs, building a launcher, T-shirt design, and a computer model free download.
Water Rockets at the Ghent University
http://cage.rug.ac.be/~gvernaev/haprrl/
Hydroaeropropulsion Rocket Research Labs AKA The Most Unspeakable Project Of The Department. The water rocket craze hits again ...