Rotor blade, especially for a rotary wing aircraft

Details Rotor blade, especially for a rotary wing aircraft Rotor blade, especially for a rotary wing aircraft

1984-12-26

1986-06-03

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Articulated, resiliently mounted or self-shifting impeller...

Nonmetallic resilient mounting

416138, 416141, 416 61, 416239, B64C 2733

Patent

active

045927014

ABSTRACT:
A rotor blade, for example for a rotary wing aircraft, has a wing section d a root section interconnected by a neck section surrounded by a blade angle adjustment sleeve which is stiff against torque moments for transmitting blade angle adjustment movements through the sleeve to the wing section. The trailing edge of the sleeve is provided with a gap which extends, at least partially, alongside the rear edge of the neck section for visually inspecting the neck section inside the sleeve even when the root section is connected to a rotor hub. A reflecting mirror may be used for inspecting all sides of the neck section through the gap.

REFERENCES:
patent: 4111605 (1978-09-01), Roman et al.
patent: 4252503 (1981-02-01), Wackerle et al.
patent: 4266912 (1981-05-01), Roman
patent: 4345876 (1982-08-01), Schwarz et al.
patent: 4381902 (1983-05-01), Head et al.
patent: 4427340 (1984-01-01), Metzger et al.

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