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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.
- Subárea1
- Aerodynamics
- Português
- ângulo de arfagem