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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.

Launch report 8th june

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Daan.[D&P]Rockets*
Current WRA2 Flight Duration World Record Holder
Current WRA2 Flight Duration World Record Holder
Posts: 138
Joined: Fri Jan 11, 2008 4:19 pm

Launch report 8th june

Post by Daan.[D&P]Rockets* » Fri Jun 13, 2008 1:03 pm

This is our latest rocker.
With a volume of 8 Liter. And pressure tested at 12 bar of 175 psi.
Last sunday we wanted to launch it at a safe pressure. Just for a test flight at 8 bar.
But there was a problem. We set the tommy timers for our dual deploy system if it was a launch for 12 bar. But the rocket didn't go that high on 8 bar as it should go on 12 bar. So the apogee came quicker then the parachutes came out. So the rocket was on his way down when the parachutes came out. But the parachutelines snapt :cry:
Everything did work. Both parachutes came out.. but they came out a bit to late..

But the rocket is still in tact and we are comming back with some greather hights with this rocket! the rocket did get to 391'. We can get higher :WRA2:

See the movie:

[youtube][/youtube]

Thnx for watching!

Greetz Team.[D&P] Rockets*



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