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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.

Memorial Day

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U.S. Water Rockets1
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Memorial Day

Post by U.S. Water Rockets1 » Sun May 24, 2009 11:06 pm

U.S. Water Rockets would like to express our deepest and sincerest appreciation for the service men and women who have given their lives to protect the freedoms of the U.S. and her allies. Thank you!


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Opportunity is missed by most people because it is dressed in overalls and looks like work. --Thomas Edison

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Spaceman Spiff
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Re: Memorial Day

Post by Spaceman Spiff » Mon May 25, 2009 10:32 am

U.S. Water Rockets1 wrote:U.S. Water Rockets would like to express our deepest and sincerest appreciation for the service men and women who have given their lives to protect the freedoms of the U.S. and her allies. Thank you!
I agree! I hope everyone has a safe Holiday too! Be careful everybody!


Spaceman Spiff
"What goes up, must come down"

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Mark Chen
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Re: Memorial Day

Post by Mark Chen » Mon May 25, 2009 3:08 pm

Poor Tim has to work on this beautiful day! Ha ha Tim!

Everyone else have a good holiday!


Mark Chen
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