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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.
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]
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 on design and structural engineering, as well as ship repair, offshore construction projects and competing for other projects to do with metal engineering and construction.
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Family of observation and attack aircraft; composes of the A-3, the main attack version, XA-4, and A-5 and A-6 with more powerful engines. Fokker XA-7: Fokker-America: 1931 1 Curtiss A-8: Curtiss Aeroplane and Motor Company 1931 1932 13 Lockheed Y1A-9: Detroit Lockheed: A version of the Lockheed YP-24 that specialized in ground attack. 1931 1
Verdict: False. The video is from a Dec. 12 plane crash. Fact Check: The Federal Aviation Administration recently banned the use of drones over parts of New Jersey and outlined an area that they ...
The span collapsed this week when it was struck by a cargo ship. An aerial photo of the crane Chesapeake 1000, provided by the Westchester County Police, shot the day before the tugboat Specialist ...
This specific example uses a level luffing mechanism to maintain the load at approximately the same vertical height as the jib moves through its range of travel. A jib or jib arm is the horizontal or near-horizontal beam used in many types of crane to support the load clear of the main support. [1] [2] An archaic spelling is gib. [3]