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20 ft 1 in (6.1 m) Chesapeake 1000 (formerly Sun 800 ) is a heavy lift sheerleg crane ship , owned by Donjon Marine Co., capable of lifting 1,000 short tons (890 long tons; 910 t). [ 1 ] [ 2 ] It is one of the largest boomable stiff-leg-derrick barges on the eastern seaboard of the United States.
There are six lift shafts of varying heights and speeds, including a high-speed shaft with a travel of 100 metres (328 ft 1 in) and a theoretical maximum speed of 10 m/s (33 ft/s). The tower's renovation was officially completed in July 2010. [5]
Data from General characteristics Crew: 1 Length: 22 ft 2 in (6.76 m) Wingspan: 9 ft 8 in (2.95 m) Height: 9 ft 6 in (2.90 m) Wing area: 160 sq ft (15 m 2) Empty weight: 4,620 lb (2,096 kg) Gross weight: 6,000 lb (2,722 kg) Max takeoff weight: 7,485 lb (3,395 kg) Powerplant: 1 × Reaction Motors XLR-11 liquid-fuelled rocket motor, 8,000 lbf (36 kN) thrust with four combustion chamber/nozzle ...
25 mm to 60 mm with 5 mm steps; 60 mm to 110 mm with 10 mm steps; 110 mm to 140 mm with 15 mm steps; 140 mm to 500 mm with 20 mm steps; The standard lengths of the shafts are 5 m, 6 m and 7 m. Usually 1m to 5m is used.
The concept of a shaft-driven lift-fan dates back to the mid-1950s. [9] The lift fan was demonstrated by the Allison Engine Company in 1995–97. [10] The U.S. Department of Defense (DOD) awarded General Electric and Rolls-Royce a $2.1 billion contract to jointly develop the F136 engine as an alternative to the F135.
11 ft 6 in (3.51 m) max ... 1 × 3 in (76 mm)/23 ... with her forward stacks and boilers removed to give her the capacity to lift 200 Marines and four 11 m (36 ft) ...
Hoist atop an elevator. A hoist is a device used for lifting or lowering a load by means of a drum or lift-wheel around which rope or chain wraps. It may be manually operated, electrically or pneumatically driven and may use chain, fiber or wire rope as its lifting medium.
The lift height, the spacing between ledgers, is 2 m, although the base lift can be up to 2.7 m. The diagram above also shows a kicker lift, which is just 150 mm or so above the ground. Transom spacing is determined by the thickness of the boards supported, 38 mm boards require a transom spacing of no more than 1.2 m while a 50 mm board can ...