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2. Shiplift - Wikipedia

   en.wikipedia.org/wiki/Shiplift

   Shiplift. A shiplift is a modern alternative for a slipway, a floating dry dock or a graving dry dock. A shiplift is used to dry dock and launch ships. It consists of a structural platform that is lifted and lowered exactly vertically, synchronously by a number of hoists. First, the platform is lowered underwater, then the ship is floated above ...

3. BOKA Vanguard - Wikipedia

   en.wikipedia.org/wiki/BOKA_Vanguard

   BOKA Vanguard (formerly Dockwise Vanguard) is a semisubmersible heavy-lift ship owned and operated by Dockwise B.V. Dockwise Vanguard is the largest vessel of her type ever built, and is able to carry cargoes up to 110,000 tonnes. [11] Dockwise Vanguard was designed to move offshore oil and gas facilities, but can also carry other ships and act ...

4. Syncrolift - Wikipedia

   en.wikipedia.org/wiki/Syncrolift

   The vessel can be worked upon in place, or it can be moved inland. The largest shiplifts can lift vessels up to 100,000 tons. [ 2 ] Because of this capacity, shiplifts have almost completely supplanted the older dry dock systems, most of which could handle only one vessel at a time.

5. Pioneering Spirit - Wikipedia

   en.wikipedia.org/wiki/Pioneering_Spirit

   Pioneering Spirit is the world's largest vessel, in terms of her gross tonnage (403,342 gt), breadth (123.75 m or 406 ft), and displacement (1,000,000 tonnes or 980,000 long tons). [ 4 ][ 2 ] The maximum 48,000-tonne (53,000-short-ton) topside lift capacity is achieved by operating as a semi-submersible.

6. Goupitan shiplift - Wikipedia

   en.wikipedia.org/wiki/Goupitan_shiplift

   The Goupitan shiplift ( simplified Chinese: 构皮滩升船机; traditional Chinese: 構皮灘升船機; pinyin: Gòupítān Shēngchuánjī) is a boat lifting system on the Wu River, a tributary of the Yangtze River in Guizhou Province, southwest of China. A system of three boat lifts supplements the Goupitan Dam in order to provide shipping ...

7. Abraham Lincoln's patent - Wikipedia

   en.wikipedia.org/wiki/Abraham_Lincoln's_patent

   May 22, 1849. Location. Illinois. Abraham Lincoln's patent relates to an invention to buoy and lift boats over shoals and obstructions in a river. Abraham Lincoln conceived the invention when on two occasions the boat on which he traveled got hung up on obstructions. Lincoln's device was composed of large bellows attached to the sides of a boat ...