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  • Chapter 13: Aircraft Landing Gear Systems › Landing Gear Alignment, Support, & Retraction › Alignment

    Retractable landing gear consist of several components that enable it to function. Typically, these are the torque links, trunnion and bracket arrangements, drag strut linkages, electrical and hydraulic gear retraction devices, as well as locking, sensing, and indicating components. Additionally ... nose gear have steering mechanisms attached to the gear. Alignment As previously mentioned, a torque arm or torque links assembly keeps the lower strut cylinder from rotating out of alignment with the longitudinal axis of the aircraft. In some strut…

  • Chapter 13: Aircraft Landing Gear Systems › Landing Gear Rigging & Adjustment › Landing Gear Retraction Test

    Landing Gear Retraction Test The proper functioning of a landing gear system and components can be checked by performing a landing gear retraction test. This is also known as swinging the gear. The aircraft is properly supported on jacks ... this check, and the landing gear should be cleaned and lubricated if needed. The gear is then raised and lowered as though the aircraft were in flight while a close visual inspection is performed. All parts of the system should…

  • Chapter 13: Aircraft Landing Gear Systems › Landing Gear Types › Fixed & Retractable Landing Gear

    Fixed & Retractable Landing Gear Further classification of aircraft landing gear can be made into two categories: fixed and retractable. Many small, single-engine light aircraft have fixed landing gear, as do a few light twins. This means the gear ... Chapter 2 of this handbook, as the speed of an aircraft increases, so does parasite drag. Mechanisms to retract and stow the landing gear to eliminate parasite drag add weight to the aircraft. On slow aircraft, the penalty of this…