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14 wheels, 7 axles The Antonov An-225 's main landing gear (consisting of two 14-wheel bogies) The tables below show how various types of wheeled units are arranged to form the undercarriages of some popular aircraft from manufacturers Antonov , Airbus , and Boeing .
The landing gear represents 2.5 to 5% of the maximum takeoff weight (MTOW) and 1.5 to 1.75% of the aircraft cost, but 20% of the airframe direct maintenance cost. A suitably-designed wheel can support 30 t (66,000 lb), tolerate a ground speed of 300 km/h and roll a distance of 500,000 km (310,000 mi) ; it has a 20,000 hours time between overhaul and a 60,000 hours or 20 year life time.
Undercarriage is the part of a moving vehicle that is underneath the main body of the vehicle. The term originally applied to this part of a horse-drawn carriage, and usage has since broadened to include: The landing gear of an aircraft. The chassis of an automobile. The tractor treads of a tractor or tank. The underframe of a locomotive
The design proved to be viable and was extensively adopted across the aviation industry for fixed undercarriages, becoming simply referred to as an "Oleo unit" or undercarriage leg. [7] Vickers' initial design had placed air above the oil, an arrangement that did not pose any problem until the introduction of retractable landing gear during the ...
A Cessna 150 converted to taildragger configuration by installation of an aftermarket modification kit. Conventional landing gear, or tailwheel-type landing gear, is an aircraft undercarriage consisting of two main wheels forward of the center of gravity and a small wheel or skid to support the tail.
Tricycle gear is a type of aircraft undercarriage, or landing gear, that is arranged in a tricycle fashion. The tricycle arrangement has one or more nose wheels in a single front undercarriage and two or more main wheels slightly aft of the center of gravity. Tricycle gear aircraft are the easiest for takeoff, landing and taxiing, and ...
The three main sections of an excavator are the undercarriage, the house and the arm. The boom, the front part that is attached to the cab itself and holds the arm, is also used. The undercarriage includes tracks, track frame, and final drives, which have a hydraulic motor and gearing providing
The wing root fairing of an American Aviation AA-1 Yankee. An aircraft fairing is a structure whose primary function is to produce a smooth outline and reduce drag. [1]These structures are covers for gaps and spaces between parts of an aircraft to reduce form drag and interference drag, and to improve appearance.
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related to: undercarriage components and their functions part 7"No B.S. just down to business." - Charles Elick Jr. - Google