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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.

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Question on rules for rocket design.

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Nick B
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Question on rules for rocket design.

Postby Nick B » Fri Jun 21, 2013 8:59 pm

For class A..? single stage high altitude, What design details do I need to reveal?
I have a design that involves changes to the inside of the FTC, to increase altitude, that I wish to remain private, yet use to compete.


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Re: Question on rules for rocket design.

Postby WRA2 » Fri Jun 21, 2013 10:27 pm

Nick B wrote:For class A..? single stage high altitude, What design details do I need to reveal?
I have a design that involves changes to the inside of the FTC, to increase altitude, that I wish to remain private, yet use to compete.


You don't need to supply design specs or schematics but the construction materials used cannot be any that aren't allowed under the rules. For example a modification such as inserting an aluminum tank or pipe inside the FTC tube would not be allowed.

You would have to provide a list of materials used if anyone were to question the legality of your design.

Alterations to the reaction mass used inside the rocket are also not allowed. (must be plain water)


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