I built a PULSED ROCKET ENGINE
590,408
Published 2021-12-31
Printers I used
Prusa SL1S:www.prusa3d.com/category/original-prusa-sl1s-speed…
Elegoo Mars 3:www.elegoo.com/products/elegoo-mars-3-lcd-3d-print…
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#rocket #engine #3dprinted
All Comments (21)
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Video Idea: 3D print some rocket powered toy cars and race them against each other (as a way of measuring the thrust of the rockets)
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Video idea: make a rocket test stand that properly measures the thrust it produces! Beats a kitchen scale and it would be a fun project to watch. Tomatoes are disgusting!
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Integza, you could try spiraling the fuel grain instead of having it be a straight bore, that might help it burn less chaotically. I'm wondering if you could 3d print a multi-tool, it would be interesting to see what kind of an edge you could put on a ceramic 3d printed blade.
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Video idea: Mostly for visuals, use an old school kitchen scale with an analog interface. You could see the movement in real time. Most have a clock like interface.
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Video idea: create a launchpad for 3d printed rockets and measure how high they will fly using different rocket nozzle designs+ And: Tomatoes are disgusting🍅🍅🤢
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Testing until it explodes? - This gets a thumbs up from me!
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Wow, your explanation of how a de Laval nozzle works was simple and effective. The visual aid was very helpful.
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A drone with rockets to get high speed! some person did something similar with a extra motor and a FPV drone. just add a rocket, everything is better with rockets!
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Never mind, don't ball mill ammonium perchlorate. Forgot how bad an idea that is. K nitrate will work much better if milled though.
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The progress on the rocket engines is increasing exponentially and always entertaining 👏😎 Looking forward to the next one! 😉
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Cannot believe I'm finding this channel just now, this is by far my favorite engineering channel now.
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7:11 "This is a grotesque oversimplification." Thank you for saying this. 😂
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after you've nitrated the cotton, dissolve it in a solvent and reconstitute it. The surface area will be lower, so the burn rate will be more manageable.
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Video Idea: Try to make APCP as a printable propeller, this would create much much higher thrust. Then insert the printed rocket motor in a 3d printed shuttle model like this you could create a semi accurate test flight of a miniature shuttle.
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for the pulsing rocket I think you were achieving too high of a pressure, thus it spiked, turned into a detonation, pressure dropped and it repeated
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Video Idea : “Build a Functional Jetpack Using 3D-Printed Parts and try it out.”
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5:15 It's my understanding that the gas heats up in the chocking point, it can't gain speed so the energy goes into heating up the gas, when you expand the nozzle the gas is able to expand and the speed increses. ScottManly explains this very well on his Hypersonic wind tunnel video, go check his channel, I think you may like it
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Hey Integza, I make rockets every year (Guy Fawkes) in the same way commercial ones are made. The sugar KNO3 works fine (a small addition of sulphur helps) in a card tube. The grain is also the combustion chamber. I use builder's plaster filler to make the nozzle by laying it over a former. A tube shaped whole works well. I use a metal rod as a former. Those oscillations in your burn were caused by two things, 1) the shape could be slightly inconsistent and 2) Up to a certain limit the rate of burn is proportional to the pressure in the chamber. So everything gets exaggerated. The boosters for the shuttle are much the same. They use rubber and aluminium powder as the fuel with perchlorate as the oxidiser. The core is a simple tube. P.S. Have you heard the story about the boosters and the size of a roman horse's butt? let me know...
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Video idea: A comparison/explanation of store-bought rockets and 3d printed rockets and the difference in power, chemical makeup, etc
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CAN ANYONE PLEASE JUST GIVE THIS MAN A METAL 3D PRINTER O: