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A Boeing 737 uses an adjustable stabilizer, moved by a jackscrew, to provide the required pitch trim forces. Generic stabilizer illustrated. A horizontal stabilizer is used to maintain the aircraft in longitudinal balance, or trim: [3] it exerts a vertical force at a distance so the summation of pitch moments about the center of gravity is zero. [4]
A jackscrew, or screw jack, is a type of jack that is operated by turning a leadscrew. It is commonly used to lift moderate and heavy weights, such as vehicles; to raise and lower the horizontal stabilizers of aircraft; and as adjustable supports for heavy loads, such as the foundations of houses.
Development of an effective set of flight control surfaces was a critical advance in the development of aircraft. Early efforts at fixed-wing aircraft design succeeded in generating sufficient lift to get the aircraft off the ground, but once aloft, the aircraft proved uncontrollable, often with disastrous results. The development of effective ...
The aircraft was a 2 year old Lockheed L-1011-385 Tristar (Serial number 193C-1077) and was delivered to Delta on 24 May 1974 (registered as N707DA), at the time of the accident, had 5,000 flight hours. The captain was 56 year old Jack McMahan, who had 23,000 flight hours, of which 2,000 were in the L-1011.
Mi-Jack Products is an American manufacturer of industrial, intermodal, and port cranes based in Hazel Crest, Illinois. [1] It manufactures Travelift and Translift rubber-tired gantry cranes , as well as various other container handling systems [ 2 ] and is a part of the Lanco Group of Companies.
An anti-roll bar (roll bar, anti-sway bar, sway bar, stabilizer bar) is an automobile suspension part that helps reduce the body roll of a vehicle during fast cornering or over road irregularities. It links opposite front or rear wheels to a torsion spring using short lever arms for anchors.
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