Welcome to the Water Rocket Forum, sponsored by The Water Rocket Achievement World Record Association.

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.

:WRA2: NewestWRA2members: :WRA2:

David Currier from Elwood, IN, USA,
Dave Swift from Cortlandt Manor, NY USA,
Silfo from Comodoro Rivadavia, Argentina,
China_WaterRocket from DongGuang, China


Voting to approve the Khairul- SMK Seksyen 24(2) water rocket's Class D record submission of 281.07 feet (85.67 meters) will run March 5th to March 19th.

The submission details can be found here: viewtopic.php?f=24&t=2969

Voting: viewtopic.php?f=24&t=2970&p=19204

Recommended Altimeters

This forum is for non-members to ask questions about our competitions. Please check our FAQ page before you ask.
rozermac
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Recommended Altimeters

Postby rozermac » Wed Oct 05, 2011 7:04 pm

Hello,

Is there a list of acceptable altimeters that are allowed in the competitions?


WRA2
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Re: Recommended Altimeters

Postby WRA2 » Wed Oct 05, 2011 8:11 pm

rozermac wrote:Hello,

Is there a list of acceptable altimeters that are allowed in the competitions?


Hi rozermac, :W

Since we are a worldwide organization, it would be difficult to maintain a current list of the available altimeters and keeping the list up to date when the manufacturers release new models and discontinue old ones or new companies come online. We provide a generic specification in the competition rules for the type of altimeter required. What you can do if in doubt is to find a locally available altimeter and then come back here and post a link to the site selling it and ask if this altimeter will work for whichever competition you were planning on participating in. If in doubt, ask before you buy or build. :!:


Lisa Walker,
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:WRA2:The Water Rocket Achievement World Record Association :WRA2:
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U.S. Water Rockets1
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Re: Recommended Altimeters

Postby U.S. Water Rockets1 » Sat Oct 08, 2011 11:29 pm

rozermac wrote:Hello,

Is there a list of acceptable altimeters that are allowed in the competitions?


We highly recommend the altimeters from http://www.perfectflite.com

We've been using their products for years. Very good stuff.


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teper
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Re: Recommended Altimeters

Postby teper » Thu Nov 10, 2011 6:54 pm

The altimeter one is a great low cost altimeter if you just want to see how high it went.



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