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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.
Topping lift. The topping lift (more rarely known as an uphaul) is a line which applies upward force on a boom on a sailboat . Part of the running rigging, topping lifts are primarily used to hold a boom up when the sail is lowered. [ 1] This line would run from near the free end of the boom (s) forward to the top of the mast.
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 ...
The boat lift was designed during the Canal du Centre's modernisation program in order to replace a system of two locks and four 16-metre (52 ft) lifts dating from 1888 to 1919. [1] The canal itself began operations in 1879 and its locks and lifts were able to accommodate vessels of up to 300 tonnes.
A boat lift, ship lift, or lift lock is a machine for transporting boats between water at two different elevations, and is an alternative to the canal lock. It may be vertically moving, like the Anderton boat lift in England, rotational, like the Falkirk Wheel in Scotland, or operate on an inclined plane, like the Ronquières inclined plane in ...
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 ...
Today the boat lift is too short for some barge trains which must be separated to pass the lift. The lift is running near to its capacity with about 11,000 boats passing through each year, [1] so in 1997 the decision was made to build a new, bigger lift. The Niederfinow lift is a popular tourist destination with about 500,000 visitors per year. [1]
A liveaboard dive boat on the Similan Islands, Thailand Deck of a dive boat for about 35 divers, with equipment and whiteboard for dive planning. A dive boat is a boat that recreational divers or professional scuba divers use to reach a dive site which they could not conveniently reach by swimming from the shore.