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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.

New Videos

Post photos and videos of your rocket, launches and your onboard video or photos here. A wide variety of formats supported including attachments and embedded youtube.
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chriswaterrockets
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New Videos

Post by chriswaterrockets » Sat Sep 06, 2008 1:26 pm

Hey everyone

I have two new videos on youtube:
One about my launcher:
[youtube][/youtube]

and one about splicing and coupling:
[youtube][/youtube]

regards christian



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U.S. Water Rockets1
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Re: New Videos

Post by U.S. Water Rockets1 » Sat Sep 06, 2008 9:28 pm

Nice videos, Christian! The ring you put around your guide rails with the slots for fins to pass through is a great solution to stabilize the guide rails. One question: did you make the non return valve or is that an off-the-shelf component? Thanks.


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chriswaterrockets
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Re: New Videos

Post by chriswaterrockets » Sun Sep 07, 2008 3:12 am

U.S. Water Rockets1 wrote:Nice videos, Christian! The ring you put around your guide rails with the slots for fins to pass through is a great solution to stabilize the guide rails. One question: did you make the non return valve or is that an off-the-shelf component? Thanks.
Hi and thanks!
I bought the non return valve in a hardware store, because I don't have the equipment to make such things at home.
christian



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Spaceman Spiff
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Re: New Videos

Post by Spaceman Spiff » Mon Sep 08, 2008 8:52 am

chriswaterrockets wrote:
U.S. Water Rockets1 wrote:Nice videos, Christian! The ring you put around your guide rails with the slots for fins to pass through is a great solution to stabilize the guide rails. One question: did you make the non return valve or is that an off-the-shelf component? Thanks.
Hi and thanks!
I bought the non return valve in a hardware store, because I don't have the equipment to make such things at home.
christian
I have made my own non return valve by placing a washer inside the tee at the base of my launcher and then screwing a short nipple on top to hold the washer in place. I put a ball bearing inside the nipple and that's all. No tools required. It did leak slightly but I put some silicone under the washer because the bottom of the tee was not smooth and after that it holds very well.


Spaceman Spiff
"What goes up, must come down"

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