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A hydraulic cantilever tail lift on the back of a truck Four stages of deployment on an ambulance tail lift Control for a tail lift. A tail lift (term used in the UK, also called a "liftgate" in North America) is a mechanical device permanently installed on the rear of a work truck, van, or lorry, and is designed to facilitate the handling of goods from ground level or a loading dock to the ...
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Any references to "tukaway" in the Tuckunder section being used to describe the type of lift gate generally should be removed, as this is a violation of Maxon's trademark rights and federally registered trademark registrations, nos. 4,869,153 and 678,033.
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However, the main drawback is that when the elevons move up in unison to raise the pitch of the aircraft, generating additional lift, they reduce the camber, or downward curvature of the wing. Camber is desirable when generating high levels of lift, and so elevons reduce the maximum lift and efficiency of a wing.
The design paradigm of sloping the tail to reduce drag was carried to an extreme on cars such as the Cunningham C-5R, [14] resulting in an airfoil effect lifting the rear of the car at speed and so running the risk of instability or loss of control. The Kammback decreased the area of the lifting surface while creating a low-pressure zone ...
BK 117 in 2018 In service as an air ambulance, 2008. During 1983, the initial production version, designated as the BK 117A-1 was first delivered. [5] Improved variants were quickly developed; in early 1985, the BK 117A-3, featuring an increased maximum takeoff weight and an enlarged tail rotor with twisted airfoils, was certified; two years later, the BK 117A-4, equipped with LTS 101-750B-1 ...