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Most rockets use a solid fuel engine which, once ignited, burns at a steady rate that cannot be controlled or stopped until the fuel is expended. Hybrid engines on the other hand can be turned on and off, and the thrust adjusted by varying how much oxidizer is fed into the ignition chamber to burn with the fuel. The simple hybrid engine made with this experiment lacks any valves that would be found in a full scale model to control the flow of oxygen, as it is the simplest form a hybrid engine could possibly take. You might call it a base model. If one were so inclined, all sorts of modifications could be made to this experiment to allow throttle control and even a nozzle.

For this project I used off the shelve 3% hydrogen peroxide solution, common bread yeast, and ziti macaroni noodles. This experiment should not be conducted without adult supervision.

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<p>CAN this actually power a 3D printed mini plane</p>
Actually I used manganese dioxide instead of the yeast. But the pasta idea is great.
<p>Awesome. </p>
<p>Love it! Thanks!</p>
<p>Can you compare this with regular pasta burning?</p>
<p>How much hydrogen peroxide do I need?</p>
Could you use a metal tube for this instead?
<p>The tube needs to be flammable, it's the fuel for the rocket.</p><p>A magnesium tube would make a hell of a flare...</p>
<p>A magnesium tube would make a thermal lance, which is what I want to turn this project into. </p>
<p>Take pictures and video when you do...</p>
<p>Hmm how thin does magnesium have to be in order to burn?</p>
<p>I'm not sure, I've only ever played with the ribbon and the powder, but I am sure that lumps of it will burn as well, especially if fed pure oxygen like this.</p>
<p>This is cool but I think it's more of a torch than a rocket. I have some 30% peroxide &amp; might try it w/that!</p>
<p>dude this is a nice experiment </p>
brilliant!
<p>Genius! </p>
<p>Ping!</p><p>You just planned half a lesson for me...</p>
<p>Glad to hear it!</p>
我希望你发一个文字叙述,我这里看不到视频
Pretty cool, this is nothing short of genius! Or, pretty close, anyway.
<p>This makes me think of something MacGyver would do .</p><p>very good job btw. </p>
<p>Very cool! How did you come up with the idea?</p>
<p>Thanks! I came up with it through a series of experiments, starting with a hybrid rocket that used a clear plastic tube as the fuel so you could see the flame inside. That's an experiment that had been done before by a number of other people.</p><p>I miniaturized it to run off of the yeast/H2O2, then realized it would be better if I could come up with a fuel that didn't give off noxious fumes. I tried cored wood dowels, but after some thinking noodles occurred to me as a great ready-made fuel grain. I had a pretty complex design at the start that I was able to reduce down to the simple jar with a hole in the lid that you see here.</p>
<p>I see. I'm honestly surprised that you've gotten so few views and only one favorite on such a cool project.</p>
<p>There's usually quite a long lag for me on this site before a project seems to be visible to most viewers. Maybe I'll get lucky and it will be featured once the mods see it.</p>
<p>I really hope so.</p><p>By the way, I don't want to seem like a spammer, but I'd love for you to check out my YouTube channel. Please let me know if you're interested.</p>
<p>Cool video, how long does it take for a complet burn?</p>

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Bio: I like turning boring things into awesome things! Usually on video.
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