Why Water Rockets Work

Thanks to Paul Cummings for alerting me to this great NASA site specifically about water rocket. It's in 3 parts: Propulsion, stability and drag.
http://exploration.grc.nasa.gov/education/rocket/BottleRocket/journey.htm

Here is a way to figure how hight the rockets are going, from the excellent Exploratium
http://www.exploratorium.edu/math_explorer/tfl_howHigh.html

Back to the water rocket introduction page

To learn how to hurl water balloons out of site, click here

To see the links to the best water rocket web sites I've found--including slow-motion launches, aerial photography and multi-stage rockets click here.

To read about the history of water rockets and how this design evolved, under construction

For a frank discussion of the safety issues involved with water rockets, click here

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