Two-Stage, Clustered Water Rocket Reaches 810' into the Air - Neatorama

(Video Link)

This water rocket is no mere toy. George Katz has built a machine that looks like kludge, but is all genius. The first stage rises 163 feet into the air before detaching the second stage, which clears 810 feet before parachuting to the ground.

Katz's Website -via Make

Stuff like this is why I come to this blog...

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What Graystone said! :-)

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Very neat.

Except for the seemingly almost mandatory dorky ass soundtrack that every geek video seems compelled to use.

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I'd like to know what kind of bottles he used. I don't think the average plastic liter soda bottle in the US would hold up under 120 PSI. And how he joined the booster bottles together to hold up under that much pressure.

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Oops I didn't see the link on the Construction of the rocket. But I still don't think a typical soda bottle would withstand 120 psi.

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What Graystone said x3.

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I hope that when my 2 year old daughter is a little older I'll be able to do something as cool as that with her.

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I don't think she'd hold up to 120 lbs of pressure even at 2yrs of age Eddie

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Have you done any experiments with PVC pipe to see what kinds of pressures it can withstand? I'm thinking that a small diameter pipe maybe a meter long could be a nice third stage. Any plans for a 3rd stage?

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