Recent content by joe r nelson

  1. J

    Tandem-rotor Gyroplane

    I have decided to change the gear boxes for drive belts. I am hoping to reduce the "drag" generated through gear boxes in the coupling of the rotors. The drive belts were use on several homebuilt helicopters. The system has been proven for use on tail rotors, hopefully, it'll work on...
  2. J

    Tandem-rotor Gyroplane

    Does anyone know any data on the Lockheed rotor gyroscope system as used on the AH-56 Cheyenne?
  3. J

    Tandem-rotor Gyroplane

    At this time, I am stuck on finding a suitable gearbox for my model. Two types were used with one from a Honda motorcycle and one purchased from a local distributer. I haven't had much success in determining the "gear box drag" and it's effect on the autorotation of the blades. The blades...
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