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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 ...
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 ...
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 double-link luffing jib crane is a MAN product. The lifting capacities are 100 t with a radius of 16.2 m and 50 t with a radius of 28.5 m and a maximum hook height of 35 m above the waterline. A galley, living quarters for twelve people and workshops allow a sea mission of up to ten days. [1]
The "League Island Crane" with Clemson-class destroyer USS Lamson (DD-328) in the foreground.. The McMyler-Interstate Company, a pioneer in the design, development, and manufacturing of ore- and coal-handling equipment as well as a manufacturer of heavy industrial equipment, was established in 1910 as the result of a consolidation of four companies in the city of Bedford, Ohio:
As cranes became more common in docks, and as ships became bigger, they also became more specialised. In 1927, Stothert & Pitt produced the first bulk-handling crane . [ 3 ] Rather than a simple hook that could handle a range of slung loads, this was a crane designed around the use of an integral grab.
Superyachts serve as floating palaces for the world’s elite.These opulent vessels, which are larger than most apartments and cost more than a mansion, are often custom-built to reflect the ...