4. Fluid reaction surfaces (i.e., impellers)
  5. Sustained ancillary movement of rotary working member
  6. Responsive to carrier tilt

David L. Groen

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Autogyro aircraft

Fluid reaction surfaces (i.e. – impellers) – Sustained ancillary movement of rotary working member – Responsive to carrier tilt
Patent

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Autogyro aircraft

Aeronautics and astronautics – Aircraft – heavier-than-air – Helicopter or auto-rotating wing sustained – i.e. – gyroplanes
Patent

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Autogyro aircraft

Aeronautics and astronautics – Aircraft – heavier-than-air – Airplane and auto-rotating wing sustained
Patent

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