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The main cranes are also equipped with a third (whip) hoist. The whip hoist is capable of lifting 200 t (220 short tons) at a radius between 37 and 153 m (121 and 502 ft) from 100 m (330 ft) below the waterline to 181 m (594 ft) above it at maximum draft. [7] Sleipnir is equipped with a third, auxiliary, crane at
Date: 18 September 2019: Source: File:Heerema Marine Contractors' SSCV 'Sleipnir' near the shores of Haifa - 2019-09-18 (200mm eq.) - crop 1280x720px.jpg
In Norse mythology, Sleipnir / ˈ s l eɪ p n ɪər / (Old Norse: "slippy" [1] or "the slipper" [2]) is an eight-legged horse ridden by Odin. Sleipnir is attested in the Poetic Edda, compiled in the 13th century from earlier traditional sources, and the Prose Edda, written in the 13th century by Snorri Sturluson.
The whip hook has a capacity of 120 tonnes at 150 m. The 2nd Auxiliary hook can be deployed to a water depth of 450 m. The two cranes are capable of a tandem lift of 14,000 tonnes. Each crane was fitted with 15,600 hp (11,630 kW) engines to power the boom and load hoists, 9 tugger lines and the crane slewing system.
Counter jib: holds counterweights, hoist motor, hoist drum and the electronics. (In many older tower crane designs the hoisting devices and electronics were located in the mast foot.) [ 65 ] Hoist winch : the hoist winch assembly consists of the hoist winch (motor, gearbox, hoist drum, hoist rope, and brakes), the hoist motor controller, and ...
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A drum hoist (steel wire rope visible) and motor. In underground mining a hoist or winder [1] is used to raise and lower conveyances within the mine shaft.Modern hoists are normally powered using electric motors, historically with direct current drives utilizing Ward Leonard control machines and later solid-state converters (), although modern large hoists use alternating current drives that ...
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