Chemical solid rocket motors

  1. Question,

    If I make a rocket engine using KNO3 fuel and bentonite clay for the nozzle, shouldn't the ISP of the engine be slightly higher due to the radiation?
    It would be nearly Immeasurable but nevertheless there.

    Kind of like the way a NERVA engine works.
     
  2. jcsd
  3. Borek

    Staff: Mentor

    What radiation?
     
  4. Bentonite clay has compounds of uranium or thorium in it.
     
  5. Borek

    Staff: Mentor

    I have heard it can be used to absorb some radioactive elements, but I have never heard about bentonite to be radioactive on its own.
     
  6. SteamKing

    SteamKing 8,585
    Staff Emeritus
    Science Advisor
    Homework Helper

    You've got all kinds of uranium in a uranium mine, but a uranium mine has never been mistaken for a solid rocket.
     
  7. It's what makes cat litter slightly radioactive.
     
  8. Borek

    Staff: Mentor

    Have you ever heard about background radiation? Everything is to some extent radioactive, including bananas and water we drink. If natural bentonite is radioactive, it is most likely because of the presence of K-40, not thorium or uranium.
     
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