B - Operations – Transporting – 64 – C
Patent
B - Operations, Transporting
64
C
244/15
B64C 27/32 (2006.01) B64C 27/33 (2006.01)
Patent
CA 1113441
IMPROVED CROSS BEAN ROTOR ABSTRACT OF THE DISCLOSURE A helicopter rotor having an even number of articulated blades wherein opposing blades are interconnected by a com- mon 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. -1-
340111
Ferris Donald L.
Ogle Peter C.
Swabey Ogilvy Renault
United Technologies Corporation
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