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The Syncrolift shiplift is a piece of equipment for lifting boats, ships and vessels onto land and back at sea for maintenance work or repair. The vessel is maneuvered over a submerged cradle, which is then lifted by a set of synchronized hoists or winches. The vessel can be worked upon in place, or it can be moved inland.
In the 1950s the Dean brothers owned a repair service for automobiles, marine, and farm equipment called Universal Repair Service, which is now known as EBI, Elevating Boats LLC. As of 2018 [update] , the company operates 30 liftboats that service the shallow water oil and gas industry in the Gulf of Mexico from their liftboat dock in Houma ...
Note the power may be coming from the shaft to drive the pistons as in a pump, or from the pistons to drive the shaft rotation as in an engine A swashplate , also known as slant disk , is a mechanical engineering device used to translate the motion of a rotating shaft into reciprocating motion , or vice versa.
Engine House No. 6. September 2, 2016 : 540 W. Broad St. ... Jaeger Machine Company Office Building: ... Near Northside Historic District.
A precursor to the canal boat lift, able to move full-sized canal boats, was the tub boat lift used in mining, able to raise and lower the 2.5 ton tub boats then in use. An experimental system was in use on the Churprinz mining canal in Halsbrücke near Dresden. It lifted boats 7 m (23 ft) using a moveable hoist rather than caissons.
Geheyan dam boat lift, also in Hubei Province, capable of lifting vessels of 300 tons displacement. The dam was completed in 1994, but technical difficulties delayed the opening of the ship lift for four more years. Longtan dam boat lift, capacity to lift vessels of 250 tons, in a basin 40×10.8×1.8 meters, and a vertical lift of 68.5 meters. [2]
The hoist possessed two drums around which the lifting cables were wound. The lifting ropes passed through pulley blocks before being attached to lifting eyes on the boats to make the lift easier. Four men would wind the hoist when lifting a full 2.5 to 3 tonne tub boat until it was high enough to pass over the dam of the upper canal.
List of tilt-rotor craft; References Bibliography. Apostolo, Giorgio. The Illustrated Encyclopedia of Helicopters, Bonanza Books, New York, 1984. ISBN 0-517 ...