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pitch angle
Definição1
The acute angle between the chordline of the blades and a reference surface of the main rotor head.
Fonte1
SCHAFER, Joe. Helicopter maintenance. Englewood: Jeppesen Sanderson, Inc., c2007. viii, 343 p.
Definição2
The angle between the chord line of the rotor blade and the reference plane of the main rotor hub or the rotor plane of rotation.
Fonte2
FEDERAL AVIATION ADMINISTRATION. Rotorcraft flying handbook (FAA-H-8083-21). Washington, DC: FAA, 2000. Disponível em: http://www.faa.gov/library/manuals/aircraft/media/faa-h-8083 -21.pdf. Acesso em: 10 fev. 2012.
Fonte3
INTERNATIONAL CIVIL AVIATION ORGANIZATION. Manual of aircraft accident and incident investigation. Part III: investigation. 1st ed. Montreal, 2011. (Doc. 9756)
Contexto
The propeller blades form only one link in the chain of evidence, which, when coupled with other features such as pitch angle of the blades in relation to the known phase of operation at the time of the accident, the twisting, if any, in the propeller shaft and the condition of the engine and fuel valves, etc. may lead to sounder conclusions regarding the degree of engine power being developed at the time of impact.
Subárea
Aerodynamics
Spanish
ángulo de cabeceo