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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.

Merry Christmas!!!

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Spaceman Spiff
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Joined: Sat Feb 24, 2007 11:06 am

Re: Merry Christmas!!!

Post by Spaceman Spiff » Sun Dec 28, 2008 5:40 pm

Happy Holidays to everyone on the forum! May you get all the water rocket toys on your list!

Spaceman Spiff
"What goes up, must come down"

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