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Chainplate on a Bavaria 35 Match without shrouds mounted.. A chainplate is a metal plate used to fasten a shroud or stay to the hull of a sailboat.One end of the chainplate is normally fastened to a turnbuckle which is connected to the shroud or stay, whereas the remainder of the chainplate normally has multiple holes that are bolted to the hull, or the chains. [1]
The chain links are often broad, and can be made of manganese alloy steel for high strength, hardness, and abrasion resistance. [42] Track construction and assembly is dictated by the application. Military vehicles use a track shoe that is integral to the structure of the chain in order to reduce track weight.
Developed during World War I, external track extensions – often called "grousers" or "duckbills" – were added to the outside edges of the trackshoes on armored fighting vehicles such as tanks, widening the track for improved performance in snow or mud. [2] Track segments (i.e., trackshoes) that incorporate grouser bars are known as grouser ...
The chains, also called the chain-wales or channels, [1] were small platforms, built on either side of the hull of a ship, used to provide a wide purchase for the shrouds, and to assist in the practice of depth sounding. The chains provided a platform for a 'leadsman', the sailor assigned to swing the sounding line, or 'lead' into the water. [2]
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Chain boat tow on the Main (ca. 1896) Chain boat of the Mainkette-AG in front of the "Mainkai" in Frankfurt After navigation on the Main had lost more and more of its transport capacity to the railway and the use of wheeled steam tugs had failed due to the shallow navigation channel of the Main, Heino Held, owner of the Mainz-based forwarding and coal trading company C.J.H. Held & Cie., had ...
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