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  1. T

    Wrong Size fo M2020

    Hello, me and my team are preparing for a rocket competition. We were given 2 engine options for us to use in our rocket. First choice is M2150 and second choice is M2020. We have to draw rockets in for 2 options. No problem for M2150. But the dimensions of the M2020 are incorrectly given in...
  2. Co-leader of the LRP

    Motor Tube Length Question

    I have been wondering about the length of motors vs the length of the motor tube,e question being can you fly a motor that it shorter than the tube in it? e.g. Estes 24mm motors have 2 sizes, the D12 being 7cm long and the E12 being 95mm long. If I had a motor mount with 96mm between the engine...
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