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FEATHERED PROPELLER [1 record]
Record 1 - internal organization data 2015-02-24
Record 1, English
Record 1, Subject field(s)
- Aircraft Propulsion Systems
Record 1, Main entry term, English
- feathered propeller
1, record 1, English, feathered%20propeller
correct, standardized, officially approved
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
A propeller the blades of which have been rotated so that the leading and trailing edges are nearly parallel with the aircraft flight path to stop or minimize drag and engine rotation. 2, record 1, English, - feathered%20propeller
Record number: 1, Textual support number: 1 CONT
The term "feathering" refers to the operation of rotating the blades of a propeller to an edge-to-the-wing position for the purpose of stopping the rotation of the propeller whose blades are thus feathered and to reduce drag. Therefore, a feathered blade is in an approximate in-line-of-flight position, streamlined with the line of flight. Some, but not all, propellers can be feathered. Feathering is necessary when an engine fails or when it is desirable to shut off an engine in flight. The pressure of the air on the face and back of the feathered blade is equal, and the propeller will stop rotating. If it is not feathered when its engine stops driving it, the propeller will "windmill" and cause drag. Another advantage of being able to feather a propeller is that a feathered propeller creates less resistance (drag) and disturbance to the flow of air over the wings and tail of the airplane. 3, record 1, English, - feathered%20propeller
Record number: 1, Textual support number: 1 OBS
feathered propeller: term and definition standardized by the Glossary for Pilots and Air Traffic Services Personnel Committee; term officially approved by the International Civil Aviation Organization (ICAO). 4, record 1, English, - feathered%20propeller
Record 1, French
Record 1, Domaine(s)
- Propulsion des aéronefs
Record 1, Main entry term, French
- hélice en drapeau
1, record 1, French, h%C3%A9lice%20en%20drapeau
correct, feminine noun, standardized, officially approved
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Hélice dont les pales ont été tournées de manière à ce que les bords d'attaque et de fuite soient presque parallèles à la trajectoire de vol pour réduire ou éliminer la traînée et la vitesse de rotation du moteur. 2, record 1, French, - h%C3%A9lice%20en%20drapeau
Record number: 1, Textual support number: 1 CONT
Si l'on fait pivoter les pales au-delà de la position normale de grand pas jusqu'à ce que la corde soit parallèle à la direction du vol, de façon à présenter la résistance minimale, on dit que l'hélice est en drapeau. Cette position des pales est particulièrement utile sur un multimoteur, car elle permet de réduire la traînée de l'hélice d'un moteur en panne. Elle offre aussi un moyen commode d'arrêter une hélice et de l'empêcher de tourner «en moulinet»; cela réduit le risque d'aggraver les dommages d'un moteur ayant subi un bris mécanique. 3, record 1, French, - h%C3%A9lice%20en%20drapeau
Record number: 1, Textual support number: 1 OBS
hélice en drapeau : terme et définition normalisés par le Comité sur le Glossaire à l'intention des pilotes et du personnel des services de la circulation aérienne; terme uniformisé par l'Organisation de l'aviation civile internationale (OACI). 4, record 1, French, - h%C3%A9lice%20en%20drapeau
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Sistemas de propulsión de aeronaves
Record 1, Main entry term, Spanish
- hélice en bandera
1, record 1, Spanish, h%C3%A9lice%20en%20bandera
correct, feminine noun, officially approved
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
- hélice bandera 2, record 1, Spanish, h%C3%A9lice%20bandera
correct, feminine noun
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 CONT
[...] si un motor se para en el aire, el piloto orienta las palas de la hélice en su posición de mínima resistencia al aire (hélice bandera). 2, record 1, Spanish, - h%C3%A9lice%20en%20bandera
Record number: 1, Textual support number: 1 OBS
hélice en bandera: término aceptado oficialmente por la Organización de Aviación Civil Internacional (OACI). 3, record 1, Spanish, - h%C3%A9lice%20en%20bandera
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