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MISE DRAPEAU [2 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2017-10-17

English

Subject field(s)
  • Aircraft Propulsion Systems
CONT

The term feathering refers to the operation of rotating the blades of a propeller to an edge-to-the-wind 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 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.

OBS

feathering: term officially approved by the International Civil Aviation Organization (ICAO).

Key term(s)
  • feathering operation

French

Domaine(s)
  • Propulsion des aéronefs
CONT

La mise en drapeau est assurée par le moteur de changement de calage lui-même.

OBS

mise en drapeau : terme uniformisé par l'Organisation de l'aviation civile internationale (OACI).

Key term(s)
  • manœuvre de drapeau
  • passage en drapeau

Spanish

Campo(s) temático(s)
  • Sistemas de propulsión de aeronaves
OBS

puesta en bandera : término aceptado oficialmente por la Organización de Aviación Civil Internacional (OACI).

Save record 1

Record 2 1975-03-11

English

Subject field(s)
  • Aircraft Maneuvers
OBS

--the minimum-drag position of a blade when the engine is not supplying power.

French

Domaine(s)
  • Manœuvres d'aéronefs
OBS

--action de mettre les pales d'une hélice à pas variable au pas qui offre le moins de résistance à l'avancement, lorsque le moteur est stoppé.

Spanish

Save record 2

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