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The Thialf has two cranes with a combined maximum lifting capacity of 14,200 metric tons (14,000 long tons; 15,700 short tons). [4]It is equipped with a class III dynamic positioning system.
The auxiliary crane is capable of lifting (or lowering) 70 t (77 short tons) at a radius up to 12 m (39 ft) down to 2,000 m (6,600 ft) below the waterline; capacity reduces to 25 t (28 short tons) at 60 m (200 ft) radius and 8 t (8.8 short tons) at 72 m (236 ft) radius. [7] Huisman provided the auxiliary crane as well. [13]
The Saipem 7000, originally named the Micoperi 7000, was conceived in the mid-1980s by its original owners Micoperi as a multipurpose offshore oil platform installation vessel that would be able to install very large oil production platform decks (known as integrated decks) as well as the decks' supporting structures (known as jackets) using its two very large fully revolving cranes.
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The tub mounted crane will be available for additional lifts for jacket and topsides installation such as pile handling and bridge installation. [28] [29] The first major lifts with the new Huisman crane were performed in August 2020. [30] Stinger (left) and STF (centre) aboard Bumblebee; Pioneering Spirit in background on right
Unless the dog is engaged, the gear will simply freewheel on the shaft. This word usage is a metaphor derived from the idea of a dog (animal) biting and holding on, the "dog" name derived from the basic idea of how a dog jaw locks on, by the movement of the jaw, or by the presence of many teeth. In engineering the "dog" device has some special ...
The XGC88000 crawler crane, unlike the majority of crawler cranes, comes in two sections. The primary section consists of the crane itself, which boasts a maximum boom length of 144 meters, a maximum total length of 173 meters (including the counterweight radius), a maximum height (when fully erect) of 108 meters, a lifting capacity ranging between 3,600 and 4,000 tons [10] [11] [12] (although ...
The species with the smallest estimated population is the whooping crane, which is conservatively thought to number 50–249 mature individuals, [5] and the one with the largest is the sandhill crane, which has an estimated population of 450,000–550,000 mature individuals.