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A level-luffing crane is a crane mechanism where the hook remains at the same level while luffing: moving the jib up and down, so as to move the hook inwards and outwards relative to the base. [ 1 ] Usually the description is only applied to those with a luffing jib that have some additional mechanism applied to keep the hook level when luffing.
A crane vessel, crane ship, crane barge, or floating crane is a ship with a crane specialized in lifting heavy loads, typically exceeding 1,500 t (1,476 long tons; 1,653 short tons) for modern ships. The largest crane vessels are used for offshore construction. [1] The cranes are fitted to conventional monohulls and barges, but the largest ...
Sailing SV Delos is a YouTube channel that chronicles the travels and adventures of video bloggers aboard the sailing vessel Delos. [2] The boat is owned by Brian Trautman, who sails with his wife Karin Syrén and their daughter Sierra (aka Nugget).
Sleipnir is equipped with a third, auxiliary, crane at the opposite end of the ship, near the berths. 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 ...
Crane ships of the United States Navy (2 C, 2 P) F. Floating cranes (16 P) Pages in category "Crane vessels" ... Derrick Boat No. 8; G. Green Jade; H.
The Hammerhead crane at the PSNS & IMF in Bremerton in April. The shipyard is planning for a major renovation and modernization known as SIOP, which will span years, and recently put out a request ...
The name unveiling traditionally takes place at a boat christening, which involves striking your vessel—a not-prone-to-damage metal fixture, preferably—with a bottle of pre-scored Champagne.
Small Titan or hammerhead crane. The ultimate development of the dedicated block-setting crane was the hammerhead or 'giant cantilever' Titan crane. These had a deep double truss as a cantilever beam atop a large diameter roller bearing, on a carriage similar to that of the Hercules. The upper edges of the two trusses formed a set of rails for ...