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  1. RocketEnthusiast101

    How much thrust would be required for a rocket reaching an altitude of 100km?

    Hi. How much thrust would be required for a rocket reaching an altitude of 100km and also what set of formulas should I be using?
  2. M

    Fuel grain geometry

    Hey guys, I'm currently into building my own motors and was wondering if anyone else out there currently uses star grains? I currently use a bates grain configuration (basically multiple toilet paper roll shapes stacked together with a slight gap between each) but I end up taking a long time to...
  3. S

    Experiment help

    Hey everyone, Being an IB student requires one to write a 4000 word essay on a subject of your preference. Mine is physics. So, I wisely decided to conduct an experiment based on model rocketry; namely potassium nitrate and sugar rockets, but dry compacted like Grant Thompson does it in the...
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