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longitudinal trim
- Fonte1
- FEDERAL AVIATION ADMINISTRATION. Helicopter flying handbook (FAA-H8083-21A). Washington, DC: FAA, 2012.
- Fonte2
- INTERNATIONAL CIVIL AVIATION ORGANIZATION. Circular 229: proceedings of the ICAO human factors seminar. Montreal, 1990. (Cir. 229-AN/137)
- Contexto
- In forward flight, the antitorque pedals are not used to control the heading of the helicopter, except during portions of crosswind takeoffs and approaches. Instead they are used to compensate for torque to put the helicopter in longitudinal trim so that coordinated flight can be maintained. The cyclic control is used to change heading by making a turn to the desired direction.
- The longitudinal trim characteristics of an aircraft are of major importance in emergency situations, particularly in the approach and landing phase.
- Français
- compensation longitudinale