1. 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...
  2. Broken fins

    Broken fins

    Broken fins warlock
  3. 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?