Tail rotor blade

Details Tail rotor blade Tail rotor blade

1979-01-02

1981-11-10

Feeh, William L.

Fluid reaction surfaces (i.e., impellers)

Specific blade structure

Formed with main spar

B64C 1120, B64C 1126

Patent

active

042995400

ABSTRACT:
A tail rotor blade for a helicopter has a core 22 whose shape defines the trailing portions of the blade. Core 22 is adhered to upper 20 and lower 21 metallic skins which extend within and are adhered to the inner surfaces at the trailing edge of a metallic nose spar 10. A pair of straps 30, 31 of unidirectional fiberglass strands extend spanwise and are adhered to the inner surface of the leading edges of the skins 20, 21 and the outer leading surfaces of the core 22 as to span chordwise the regions of the joints between nose spar 10 and skins 20, 21.

REFERENCES:
patent: 2596818 (1952-05-01), Mayers
patent: 3002567 (1961-10-01), Stulen et al.
patent: 3217807 (1965-11-01), Underhill et al.
patent: 3232349 (1966-02-01), Ballauer
patent: 3310117 (1967-03-01), Sliuinsky et al.
patent: 3754840 (1973-08-01), Zincone
patent: 3813186 (1974-05-01), Palachek
patent: 4095322 (1978-06-01), Scarpati
patent: 4150920 (1979-04-01), Belko
patent: 4188171 (1980-02-01), Baskin

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