FIELD: aeronautical engineering. SUBSTANCE: change of chord length L and shift of aerodynamic center are of such amount that leading edge 5 and trailing edge 6 of blade 1 have no break in longitudinal direction; common aerodynamic center is located in pitch change axis. EFFECT: enhanced efficiency. 12 cl, 10 dwg
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Authors
Dates
1997-10-20—Published
1993-04-08—Filed