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WIND-MILL [1 record]

Record 1 1985-08-09

English

Subject field(s)
  • Aircraft Propulsion Systems
CONT

A propeller is 'windmilling' when it is delivering power to the propeller shaft.

CONT

As the blades are unfeathered, they begin to windmill and assist the unfeathering operation by the added force toward low pitch brought about by the centrifugal twisting moment.

Key term(s)
  • wind-mill

French

Domaine(s)
  • Propulsion des aéronefs
CONT

La mise en drapeau est impérative dans le cas d'une panne de moteur, car l'hélice tournant en moulinet le détériorerait complètement. De plus, une hélice fonctionnant en moulinet provoque une traînée aérodynamique importante, et un multimoteur, ayant un de ses propulseurs en panne, a intérêt à réduire au minimum les traînées parasites; il voit ainsi augmenter son altitude de plafond.

Key term(s)
  • fonctionner en aéromoteur

Spanish

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