5' PVC Missile-How to Build High Power Rocket from Scratch: Part 5-Casting the Fuel

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Uploaded by on Jul 21, 2009

This is how flexi-fuel R-candy is cast into Bates grains. Please comment guys. Let me know who's actually watching these if anyone. Suggestions also appreciated.

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Science & Technology

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Uploader Comments (rocketmanbkk)

  • So your doing this in your kitchen and using your wifes pans when she's not home? Kids in the other room?

  • @thehappyinfidel2011 : Actually, wife is very supportive of my hobby. I have my own pan for rocket fuel and the kids are upstairs. Thai houses are all concrete so I'm not worried about burning the house down. Though, I do not recommend this method if an outdoor option is available. : )

  • how come it's so hot? Is it still from the pan or is there some sort of exothermic reaction?

  • @sedwarg : r-candy is VERY, VERY hot from the pan. Be very careful in handling. I have burned my finger tip upon touching it. It may be an exothermic thing with the aluminum coring rods as well.

  • ok im 13 and new to this, what is a bates grain?

  • @Gabesly :BATES Grain

    Google Richard Nakka

    A google search will teach you a lot.

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All Comments (69)

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  • I think your tutorials are great...please keep up the great work. I've just started with all of this and you've made many things clear and comprehensible so I am already producing predictable results. Thanks again!

  • @rocketmanbkk here in UAE (dubai) potassium nitrate is very expensive !

    can u pls tell me the exact amount of KNO3 needed for making 5 pieces of flexi fuel !????

  • also a cap like lid for the engine with a metal rod through the top would be best for them :)

  • Hi RocketmanBkk I was wondering how the sample engine you made (from the residue off the pan) burned at one direction only, it was like it has a nozzle already.

  • @rocketmanbkk That's great it was meant to be humorous. I have a large dose of mad scientist in me too. Why else would I be watching? ; ) Have fun!

  • wow... ur gonna make me some?

  • whare can I get the core rods

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