Patents Assigned to The South African Inventions Development Corporation of Scientia
  • Rotor for an autogiro
    Patent number: 4092084
    Abstract: A two-bladed semi-rigid type tilt hub teetering rotor for an autogiro. The otor has a spin-up condition in which it has an relatively small blade angle, and an in-flight condition in which the blade angle is relatively high. The rotor is adapted to alter automatically from its spin-up condition to its in-flight condition upon tilting of the hub at take-off.
    Type: Grant
    Filed: July 22, 1976
    Date of Patent: May 30, 1978
    Assignee: The South African Inventions Development Corporation of Scientia
    Inventor: Austin Barltrop