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  1. M

    Fin flutter software

    Hello, I'm designing my first supersonic rocket and I'd like to calculate the flutter of the fins. The formula in Technical Paper 4197 is only valid for subsonic. I'd like to know if anyone knows how and what documentation to read. I can't get aerofin sim, I've contacted the author but no...
  2. scanlin

    Fiberglass leading edge fin bevel thickness?

    Question: How sharp of an edge is optimal for the leading edge of a beveled fiberglass fin on a rocket projected to go mach 1.3-1.5? My fins are 4.8mm fiberglass at the root. The kit I got has the leading edge pre-beveled but only to the point where the leading edge is 2.5mm thick. Seems too...
  3. Broken fins

    Broken fins

    Broken fins warlock
    • Five
    • Media item
    • broken fin fin repair
    • Comments: 0
    • Category: High Power Rocketry
  4. I

    >Mach 5 Fins

    Regarding materials and geometric shape, How would you mount 3 fins on a tube such that they can rotate in position (for steering) yet be securely mounted to withstand Airspeed of Mach 5?
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