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2. 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.

3. VB-10,000 (ship) - Wikipedia

   en.wikipedia.org/wiki/VB-10,000_(ship)

   The VB-10,000 is a heavy-lift twin- gantry catamaran consisting of two truss space frames atop two barges. The design was derived from Versabar's earlier VB-4000 (aka Bottom Feeder), [1][2] which was developed to clear debris from toppled oil drilling platforms in the Gulf of Mexico. Instead of sending divers to section the wreckage into pieces ...

4. Ancient shipbuilding techniques - Wikipedia

   en.wikipedia.org/wiki/Ancient_shipbuilding...

   Ancient shipbuilding techniques. Ancient boat building methods can be categorized as one of hide, log, sewn, lashed-plank, clinker (and reverse-clinker), shell-first, and frame-first. While the frame-first technique dominates the modern ship construction industry, the ancients relied primarily on the other techniques to build their watercraft.

5. Capstan (nautical) - Wikipedia

   en.wikipedia.org/wiki/Capstan_(nautical)

   The tensioned portion of the rope would fasten the ship to the quay, hoist a foresail, lift a spar into position on the mast or to transfer cargo to or from a dock or lighter. A capstan is a vertical- axled rotating machine developed for use on sailing ships to multiply the pulling force of sailors when hauling ropes, cables , and hawsers .

6. Anderton Boat Lift - Wikipedia

   en.wikipedia.org/wiki/Anderton_Boat_Lift

   Anderton Boat Lift. The Anderton Boat Lift is a two- caisson lift lock near the village of Anderton, Cheshire, in North West England. It provides a 50-foot (15.2 m) vertical link between two navigable waterways: the River Weaver and the Trent and Mersey Canal. The structure is designated as a scheduled monument, and is included in the National ...

7. Frame (nautical) - Wikipedia

   en.wikipedia.org/wiki/Frame_(nautical)

   Frame (nautical) In ships, frames are ribs that are transverse bolted or welded to the keel. Frames support the hull and give the ship its shape and strength. In wooden shipbuilding, each frame is composed of several sections, so that the grain of the wood can follow the curve of the frame. Starting from the keel, these are the floor (which ...