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AMROC Demo Hybrid Rocket Motor Firing

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Uploaded by on Feb 19, 2007

This Hybrid Rocket, using cast acrylic and GOx, has been fired inside NASA HQ, the Senate Intelligence Committee's conference room, the Pentagon and Space Command - all pre 9/11 of course.

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Howto & Style

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Uploader Comments (bgrh)

  • What happen if you use liquid nitrous oxide?

  • @deaftodd Nitrous Oxide was the oxidizer used by SpaceShip One when it won the X-Prize. I use gaseous O2 in this motor because it's easy to transport, and easy to resupply. It also allows me to control the motor - and there are no safety issues when I start with just the O2 running and no combustion.

  • is burning acrylic bad for the air?

  • @deaftodd No worse than burning any other hydrocarbon. CO2 is the main output.

    Also, I'm burning it with pure O2 so the combustion is pretty complete. Also, that's why I recommend cast vs. extruded acrylic - the extruded acrylic as polystyrene added and during incomplete combustion it releases a lot of carbon - like burning an old model airplane.

  • is there a nozzle on the end of that?

  • @jpourkav Yes - a converging sub sonic on made from Carbon which you can get from Ohio Carbon Blanks. It was about 1/2 dia on the inside and 1/4 inch on the outside with a 45% angle section connecting them.

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All Comments (31)

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  • I meant to ask the man in the video for the parts and tips I need to attempt making my own hybrid rocket. Hopefully you can get back to me soon.

  • Sure - bug me at CEOldAmroc@me.com and I'll get around to it. I'll probably hoist a video of me disassembling it and commenting as I go. You'll need access to a lathe and a milling mating to do it right.

  • can you make a list of everything you used to make this

  • @Scorpion85629 Simple - we shut the company down in 1995. We were working towards the launch of a 250,000 lbf thrust sounding rocket under a $25 million TRP partnered with Lockheed Martin and United Technologies. We had to raise matching funds, LM and UT could use Government funds. When the US decided to allow the Russians to dispose of their SS-23 missiles by turning them into commercial launchers, the funding evaporated - we closed the company within 30 days of that decision.

  • So, why is he the "former" AMROC CEO?

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