caliber

  1. N

    TARC challenge instability

    Hello everyone! I am new to this forum, so please excuse any ignorance. Our TARC team launched recently with an Ecnojet F20-7W, and we made it to 927 feet at apogee. The flight was an overall success. However, there was concerning stability issues off the launch rod (96 inches). The Rocket...
  2. Interstellar

    Tips and Guidelines for Aerodynamic Stability?

    I've been designing a simple one stage rocket with OpenRocket, which allows the user to design and simulate their designs. I was always told that a general rule of thumb for a rockets stability is that the center of gravity should be 1-2 calibers above the center of pressure. With this rule...
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