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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.

china water rocket ,happy time.

Discussions about rockets, construction materials, adhesives, nozzles, nosecones and fin design.
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China_WaterRocket
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china water rocket ,happy time.

Post by China_WaterRocket » Wed Sep 04, 2019 2:12 am

china water rocket ,happy time.



I come from China, do not understand English, your information I use the translation software to view. I like water rockets, technology is the same, I hope we can become friends.

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Water Rocket Expert
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Re: china water rocket ,happy time.

Post by Water Rocket Expert » Wed Sep 04, 2019 6:05 pm

Hi China

What was the pressure on those first rockets. They didn't fly very far. The second one was really cool though!


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anachronist
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Re: china water rocket ,happy time.

Post by anachronist » Wed Sep 04, 2019 8:43 pm

Water Rocket Expert wrote:
Wed Sep 04, 2019 6:05 pm
What was the pressure on those first rockets. They didn't fly very far. The second one was really cool though!
You don't want them to fly very far when firing them at an angle, lest they leave the boundaries of the field. 20-40 psi is more than sufficient.

I like the ribbons on the fins.



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