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Eccentric bottom bracket on a Burley tandem bicycle held in place with two set screws. The term is also used to refer to the device often used on tandem bicycles with timing chains, single-speed bicycles with a rear disc brake or an internal-geared hub, or any bicycle with vertical dropouts and no derailleur, to allow slight repositioning, fore and aft, of a bottom bracket to properly tension ...
1919 Napier Lion II aircraft engine with three cylinder banks. Any design of motor/engine,be it a V or a boxer can be called an "in-line" if it's mounted in-line with the frame/chassis and in-line with the direction of travel of the vehicle.When the motor/engine is across the frame/chassis this is called a TRANSVERSE motor.Cylinder arrangement is not in the description of how the motor/engine ...
In mechanical engineering, a kinematic diagram or kinematic scheme (also called a joint map or skeleton diagram) illustrates the connectivity of links and joints of a mechanism or machine rather than the dimensions or shape of the parts. Often links are presented as geometric objects, such as lines, triangles or squares, that support schematic ...
Four wool spinning machines driven by belts from an overhead lineshaft (Leipzig, Germany, circa 1925) The belt drives of the Mueller Mill, model and reality, in motionA line shaft is a power-driven rotating shaft for power transmission that was used extensively from the Industrial Revolution until the early 20th century.
Another 1872 author wrote: "Gear wheels are used in England to transmit the power of the engine to what is usually called the jack shaft." [3] By 1892, the quotes were gone, but the use remained the same. [4] The pulleys on the jackshafts of mills or power plants were frequently connected to the shaft with clutches.
Sheave wheel of 1 Maja Coal Mine in Wodzisław Śląski. Many (although not all) shafts are lined following excavation and the installation of temporary ground support. The shaft lining performs several functions; it is first and foremost a safety feature preventing loose or unstable rock from falling into the shaft, then a place for shaft sets ...
A V engine, sometimes called a Vee engine, is a common configuration for internal combustion engines. It consists of two cylinder banks —usually with the same number of cylinders in each bank—connected to a common crankshaft .
Powered machinery today usually means either by electric motor or internal combustion engine. Before the first decade of the 20th century powered usually meant by steam engine, water or wind. Many of the early machines and machine tools were hand powered, but most changed over to water or steam power by the early 19th century.