TERMIUM Plus®

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HELICE DEUX POSITIONS [1 record]

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Alphabetical list of terms

Record 1 1999-02-04

English

Subject field(s)
  • Aircraft Propulsion Systems
CONT

A two-position propeller ... does permit a setting of blade angle for best takeoff and climb (low-pitch, high rpm) and for best cruise (high-pitch, low rpm).

Key term(s)
  • two-position controllable propeller
  • two position controllable propeller

French

Domaine(s)
  • Propulsion des aéronefs
CONT

La recherche d'une hélice susceptible d'un rendement satisfaisant, dans les conditions d'utilisation extrêmes que constituent le régime lent succédant au décollage et le régime rapide correspondant au vol à vitesse maximale, a conduit à réaliser en premier lieu une hélice à deux positions. Au décollage, on utilise une position de pales correspondant à un faible angle de calage, donc à un petit pas. En vol, on utilise la seconde position correspondant à un angle de calage élevé, donc à un grand pas.

Spanish

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