Cross beam rotor

Details Cross beam rotor Cross beam rotor

1978-12-06

1981-11-10

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Articulated, resiliently mounted or self-shifting impeller...

Nonmetallic resilient mounting

416141, B64C 2738

Patent

active

042995388

ABSTRACT:
A helicopter rotor having an even number of articulated blades wherein opposing blades are interconnected by a common spar passing across the rotor axis. Pitch change is introduced to the blade at the spar-blade attachment joint through a torque member connected at its outboard end to the blade joint and including a control horn at its inner end to receive pitch inputs. Drive for the rotor and support for each blade is provided by a spherical bearing directly connecting the torque member to the blade associated hub arm.

REFERENCES:
patent: 3231222 (1966-01-01), Scheutzow
patent: 3885887 (1975-05-01), Desjardins
patent: 4053258 (1977-10-01), Mouille
patent: 4087203 (1978-05-01), Ferris
patent: 4093400 (1978-06-01), Rybicki
patent: 4104003 (1978-08-01), Mouille

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