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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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Shalini from New Delhi, India,
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and Rich Overbeck from Dallas Tx, USA

PVC Used for parts under pressure

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Should the use of PVC and CPVC be banned for pressurized components

Poll ended at Wed Oct 17, 2007 3:35 pm

Yes. Use should be only for non-pressurized applications (payload sections)
9
26%
No. Use at your own risk!
26
74%
 
Total votes: 35
Cloud Dancers
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Postby Cloud Dancers » Tue Oct 09, 2007 5:52 pm

rockets42 wrote:
1KorBust wrote:That's George Kats. He's very popular and has made lots of contributions to the water rocket group. It sets a bad example for kids if he doesn't follow the safety rules. I wish he had not made light of the accident.


Agreed, I think he said that after that incident he was reviewing their safety procedures. I am not sure he made light of the accident, but I think it highlights the fact that accidents happen and no matter how careful you are you always need to be vigelant. Look at what happened at Scaled composites and they pride themselves on safety.


I guess that this is one of the reasons that we have rules here because accidents do happen. Too bad this guy wasnt following them. I guess he had to learn the hard way.
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Chonchielopez
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Re: PVC Used for parts under pressure

Postby Chonchielopez » Sat Aug 01, 2009 4:15 am

As far as pvc and cpvc go for me I stay away from the stuff for any use, one time I was pumping up my rocket and my launcher just blew!!! From then on I used metal parts for all my launchers etc. :|
Launchers are hard to make
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