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“For demo only,” Ben Krasnow gives a walkthrough in the video below of his homemade hybrid rocket engine, made by combining a rod of poly(methyl methacrylate) with gaseous oxygen. Watch as he shows the fabrication methods for constructing the rocket as well as detailing the rocket engine’s ignition properties.

I built a small rocket engine for demonstration purposes… I lit the engine by inserting a burning cotton swab (with wooden stick) while a small amount of oxygen was flowing. The acrylic catches fire very easily in a pure oxygen environment. The engine can be throttled and shut off completely, which is a major benefit to hybrid engine designs.

More with Ben Krasnow:
How-To: Homemade Astronaut Ice Cream
What Carbonated Acrylic Plastic Looks Like
DIY liquid nitrogen generator

Nick Normal

I’m an artist & maker. A lifelong biblioholic, and advocate for all-things geekathon. Home is Long Island City, Queens, which I consider the greatest place on Earth. 5-year former Resident of Flux Factory, co-organizer for World Maker Faire (NYC), and blogger all over the net. Howdy!


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