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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.

Water Rocket Ski

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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bugwubber
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Re: Water Rocket Ski

Post by bugwubber » Fri Mar 15, 2013 10:39 pm

Asupremeflight wrote:New video.
http://www.youtube.com/watch?v=B06W-9vJu-c
That is freakin awesome. Love how the ride along video doesn't make you want to throw up from all the spinning that normally comes with rocket videos. I'm g onna have to make it out to a lake before the ice gets too thin. Congrats on 843!


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Re: Water Rocket Ski

Post by bugwubber » Sat Mar 16, 2013 12:46 am

Got a test night launch video for ya- this was in the yard so done without water. I'm going to have to do a full night time launch.

http://www.youtube.com/watch?v=_wgeGC0uU14

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U.S. Water Rockets1
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Re: Water Rocket Ski

Post by U.S. Water Rockets1 » Sat Mar 16, 2013 10:06 pm

bugwubber wrote:Spring can take its time :-)
8. It takes a lot longer than expected to go through a Costco sized bottle of Bissel steam cleaner detergent. The caps make great looking expansion nozzles.
Are those installed just for cosmetic reasons, or do you have some testing that indicates that there is a benefit to using them?


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bugwubber
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Re: Water Rocket Ski

Post by bugwubber » Sat Mar 16, 2013 10:22 pm

U.S. Water Rockets1 wrote:
bugwubber wrote:Spring can take its time :-)
8. It takes a lot longer than expected to go through a Costco sized bottle of Bissel steam cleaner detergent. The caps make great looking expansion nozzles.
Are those installed just for cosmetic reasons, or do you have some testing that indicates that there is a benefit to using them?
I will be testing them side by side to see what effect they have on performance. I have blown a weaker one apart so there definitely is some energy being captured. Finally got my altimeter so I can document better.

That said, their primary purpose is cosmetic.


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