B - Operations – Transporting – 64 – C
Patent
B - Operations, Transporting
64
C
244/120
B64C 27/46 (2006.01)
Patent
CA 1326228
ABSTRACT Title: Helicopter Rotor Blades The swept extreme tip edge of a helicopter rotor blade incorporates blade droop to reduce aerodynamic pitching moments caused by spanwise flow encountered in the fore and aft sectors of a rotor rotational disc during forward flight of a helicopter on which the blade is fitted.
604664
Borden Ladner Gervais Llp
Westland Helicopters Limited
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