Helicopter blade with a tip having a selected combination of...

Details Helicopter blade with a tip having a selected combination of... Helicopter blade with a tip having a selected combination of...

B - Operations, Transporting

64

C

244/120

B64C 27/46 (2006.01)

Patent

CA 1145734

IMPROVED HELICOPTER BLADE WITH A TIP HAVING A SELECTED COMBINATION OF SWEEP, TAPER AND ANHEDRAL TO IMPROVE HOVER EFFICIENCY Abstract A helicopter blade of moderate twist having an im- proved tip utilizing a combination of sweep, taper and anhedral to improve hover performance by unloading the blade tip and reducing the strength of the tip vortex and displacing that tip vortex away from the following blade surface.

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