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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.

Schirra-1 Vehicle Test Series

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Trogdor
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Schirra-1 Vehicle Test Series

Post by Trogdor » Tue Oct 16, 2007 7:27 pm

The sun came out on Friday, so we rushed the Schirra-1 vehicle to the pad for a couple quick test launches. It uses NSA recovery, with too large a parachute as you'll see, and a cable-tie launcher.


The parachute deployed prematurely on the first launch, but worked fine the second. I have made improvements to the design by adding 3 small blocks on the rocket body to keep the nosecone straight during flight.

Launch Pressure 50 psi
Load fraction ~45%
dry weight 3.8 oz.

Construction & launch: http://www.water-rockets.com/article.pl?101

Video: [youtube][/youtube]

Image

Dedicated to Walter M. "Wally" Schirra, the coolest of all the original 7 Mercury astronauts. The only astronaut to fly in Mercury, Gemini, and Apollo space vehicles.


Promoting water-rocketry, and the adventure of science and engineering.

http://www.Water-Rockets.com

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WRA2
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Post by WRA2 » Wed Oct 17, 2007 3:02 pm

Welcome to the forum.

Nice rocket.


Lisa Walker,
:WRA2: Forum Administrator. :WRA2:
:WRA2:The Water Rocket Achievement World Record Association :WRA2:

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Tim Chen
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Post by Tim Chen » Sat Nov 10, 2007 6:50 pm

Beautyous flight there man!

I read what you said about the chute being too big and when I watched the video I thought that it would go into that tree! I was expecting it to get stuck!!!


Tim Chen
Captain, Team Enterprise

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