An engine or motor is a machine designed to convert energy into useful mechanical motion. Heat engines, including internal combustion engines and external combustion engines (such as steam engines) burn a fuel to create heat which is then used to create motion. Electric motors convert electrical energy into mechanical motion, pneumatic motors use compressed air and others, such as clockwork motors in wind-up toys use elastic energy. In biological systems, molecular motors like myosins in muscles use chemical energy to create motion.
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Some articles on engine:
... Engine speed is measured in revolutions per minute (RPM) ... Engines may be classified as low-speed, medium-speed or high-speed but these terms are inexact and depend on the type of engine being described ...
... Engine displacement, the total volume of air/fuel mixture an engine can draw in during one complete engine cycle Displacement (fluid), an object immersed in a fluid pushes the fluid out of the ...
... Further iterations included the 121, the base model with a single carburetor 66 bhp (49 kW) engine, the 122S introduced in 1958 as a performance model ... In 1967 came the 123GT that was a 130 with high compression four-cylinder B18B engine (from the Volvo P1800), M41 gearbox, fully reclining seats, front fog ... In 1969 the displacement of the old B18 engine was increased and the engine was called the B20 ...
... A V4 engine is a V form engine with four cylinders and three main bearings. ...
... It used the same range of engines and running gear as the Mark 1, but with a completely restyled body with better aerodynamics ... A new GTE using a 2 litre fuel injected engine was also introduced, and early models of these featured an all electronic dash with digital speedometer ... Vauxhall's twin-camshaft version of the engine, the C20XE, had a high performance version of the GTE created around it ...
More definitions of "engine":
- (noun): A wheeled vehicle consisting of a self-propelled engine that is used to draw trains along railway tracks.
Synonyms: locomotive, locomotive engine, railway locomotive
- (noun): Motor that converts thermal energy to mechanical work.
Famous quotes containing the word engine:
“There is a small steam engine in his brain which not only sets the cerebral mass in motion, but keeps the owner in hot water.”
—Unknown. New York Weekly Mirror (July 5, 1845)
“The will is never freeit is always attached to an object, a purpose. It is simply the engine in the carit cant steer.”
—Joyce Cary (18881957)