05-11-2009, 02:34 PM
A water rocket is a type of model rocket using water as its reaction mass , The water is forced out by a pressurized gas, typically compressed air. Water rocket engines are most commonly used to drive model rockets, but have also been used in model boats, cars, and rocket-assisted glide,The term "" has been used in parts of Europe in place of the more common "water rocket"
http://en.wikipediawiki/Water_rocket
PHP Code:
aquajet
http://en.wikipediawiki/Water_rocket