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Combustion Water Bottle Rockets

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Unread postAuthor: Skywalker » Mon Jul 22, 2013 11:15 pm

I used to do this with oxygen and gasoline or acetylene, no water. I was crazy enough to put some lead fishing weights or washers on top, along with fins and a nosecone. I'd say I got 300+ feet, but that may be generous. No idea how high the weights (read: shrapnel) went when the bottle exploded, which was pretty much every other launch.

I had a real Rube Goldberg-esque remote ignitor, composed of a 35V, 100uF electrolytic cap, a full-wave rectifier running on 15V stepdown xfmr to charge it with, and an ignition coil from a Model-T Ford (no joke, my dad had it left over from his high-school science fair project!) housed in a wooden box.
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Re: Combustion Water Bottle Rockets

Unread postAuthor: Jose Arcadio Buendia » Wed Dec 25, 2013 3:30 pm

Has anyone tried HHO (gas mixture produced by electrolysis of water) bottle rockets. I've seen some people on YouTube fill with HHO and ignite 2 liter bottles. I've done it with a thick 60mL bottle. Even at that small amount it is very loud.
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Re: Combustion Water Bottle Rockets

Unread postAuthor: mark.f » Wed Dec 25, 2013 11:39 pm

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Re: Combustion Water Bottle Rockets

Unread postAuthor: jimmy101 » Tue Dec 31, 2013 2:40 pm

You can also buy combustion water rockets from Estes
http://www.amazon.com/Estes-Hydrogen-Fu ... B0000AOVTZ
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