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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.
The USS Harry S. Truman aircraft carrier was damaged in a collision with merchant vessel Besiktas-M, Feb. 12, 2025, while operating in the vicinity of Port Said, Egypt.
Investigators head into the debris field at the site of a commercial plane crash near Shanksville, Pennsylvania, September 11, 2001. The crash is one of four planes that were hijacked as part of a ...
In sailing, luffing refers to when a sailing vessel is steered far enough toward the direction of the wind ("windward"), or the sheet controlling a sail is eased so far past optimal trim, that airflow over the surfaces of the sail is disrupted and the sail begins to "flap" or "luff" (the luff of the sail is usually where this first becomes ...
At its height Harland & Wolff boasted 35,000 employees and a healthy order book, but in the years following the cranes' construction the workforce and business declined. The last ship to be launched at the yard to date was a roll-on/roll-off ferry in March 2003. Since then the yard has restructured itself to focus less on shipbuilding and more ...
The AD-5 Skyraider, redesignated the A-1 in 1962, saw action in the Korean and Vietnam wars as an attack bomber, close air support plane and search-and-recovery aircraft, according to the ...
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 ...
An important and iconic part of Bremerton's history, the hammerhead crane is now slated for demolition. Josh Farley explains its importance. Bremerton's Hammerhead Crane [Video]