Fluid reaction surfaces (i.e. – impellers) – Having positive means for impeller adjustment – Tiltable carrier
Patent
1987-05-27
1988-05-03
Powell, Jr., Everette A.
Fluid reaction surfaces (i.e., impellers)
Having positive means for impeller adjustment
Tiltable carrier
416167, B64C 2736, B64C 2776
Patent
active
047416726
ABSTRACT:
A collective pitch change system for gyroplane rotary wing aircraft is provided. The system is particularly adapted for teter-bar rotors and is simple and direct. The system can change the blade pitch while the rotor is rotating to permit jump take-offs.
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patent: 2205835 (1940-06-01), Landrum
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patent: 2939535 (1960-06-01), Brye
patent: 3384184 (1968-05-01), Schramm
patent: 4137010 (1979-01-01), Stroub
patent: 4452411 (1984-06-01), Eickmann
patent: 4653705 (1987-03-01), Bensen
Powell Jr. Everette A.
Ripma David C.
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