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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.

video from dutch waterrocket crash on roof

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rolfkoedam
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video from dutch waterrocket crash on roof

Post by rolfkoedam » Mon Nov 05, 2007 5:23 pm

hi iam new here
iam from holland and we just test ower own water rocket
one is 1 meter
and the second is 2 meter
both on 15 bar
let us know what you people think about it
sorry for the bad english
you can see them by you tube

[youtube][/youtube]

[youtube][/youtube]

[youtube][/youtube]



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Post by WRA2 » Mon Nov 05, 2007 5:42 pm

Ouch!!!!

Did that rocket make a hole in the roof?

Be careful!!!


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rolfkoedam
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Post by rolfkoedam » Mon Nov 05, 2007 6:33 pm

jes it did
nice round hole too
iam now working on a parachute systeem
its a real new systeem with a spring
iam testing it now and its looks real good
easy and a lot of power too puch the nose cone away
it operates when the rocket is turning to the ground
i will post some pictures here from my rockets
soon
nice meeting you
rolf



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U.S. Water Rockets1
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Post by U.S. Water Rockets1 » Wed Nov 07, 2007 9:47 pm

It just goes to show you how powerful water rockets can be.

Welcome to the forum.

Try to get that chute working.


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Tim Chen
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Post by Tim Chen » Sat Nov 10, 2007 6:54 pm

Was that rocket just made from ordinary bottles? Or did you use PVC pipe or something!!! If a regular bottle rocket did that much damage to a metal roof, I'd hate to get hit on the head by one of those things falling down.


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rolfkoedam
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Post by rolfkoedam » Tue Nov 13, 2007 1:09 pm

its made from pvc
and only the tip was damage bij the crash



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Post by The Mooseheads » Mon Nov 19, 2007 11:35 pm

rolfkoedam wrote:its made from pvc
and only the tip was damage bij the crash
Please be careful with the PVC rockets. It's a well known fact in the water rocket community that PVC shatters when it bursts and makes sharp shrapnel that can severely injure you. Take precautions so you don't have an accident.


Rick C.
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Mark Chen
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Post by Mark Chen » Sat Dec 01, 2007 1:05 pm

Ouch! I hope you wear a helmet when you launch that thing!


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