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 1143354

IMPROVED HELICOPTER BLADE WITH A TIP HAVING A SELECTED COMBINATION OF SWEEP, TAPER AND ANHEDRAL TO IMPROVE HOVER EFFICIENCY Abstract A helicopter blade of high twist having an improved 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 displac- ing that tip vortex away from the following blade surface.

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