Since our founding in 2003, we've become the largest, most sophisticated and ground breaking group supporting you, the serious water rocket flyer! Whether you are a beginner or an expert, the WRA2 has something for everyone.
A water rocket is a type of model rocket using water as its reaction mass. The pressure vessel (the engine of the rocket) is constructed from thin plastic or other non metallic materials (usually a used plastic soft drink bottle) weighing 1,500 grams or less. The water is forced out by compressed air. It is an example of Newton's third law of motion.
David Currier from Elwood, IN, USA,
Dave Swift from Cortlandt Manor, NY USA,
Silfo from Comodoro Rivadavia, Argentina,
China_WaterRocket from DongGuang, China,
and afrom1 from kÃ¸benhavn, Denmark
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