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The BMW B38 is a 1.2 and 1.5 L (1,198 and 1,499 cc) turbocharged straight-three DOHC petrol engine, which replaced the straight-four BMW N13.Production started in 2013. It is part of a modular BMW engine family, of straight-three (B38), straight-four and straight-six alloy block and head petrol engines, [1] which use a displacement of 400 cc (24.4 cu in) per cylinder in the 1.2 and 500 cc (30. ...
90° V angle: This design historically derives from chopping two cylinders off a 90° V8 engine, in order to reduce design and construction costs. An early example is the 3.3 L (200 cu in) and 3.8 L (229 cu in) Chevrolet 90° V6 engines, which have an 18° offset
The BMW B37 is a 1.5-litre (1,496 cc), diesel, straight-three engine with a single, mono-scroll and variable-geometry turbocharger. The compression ratio is 16.5:1. It is the second engine from BMW's modular engine plan, sharing most of its components with the BMW B38 petrol engine. Power output is either 70 or 85 kW (94 or 114 hp).
For example, if the static compression ratio is 10:1, and the dynamic compression ratio is 7.5:1, a useful value for cylinder pressure would be 7.5 1.3 × atmospheric pressure, or 13.7 bar (relative to atmospheric pressure). The two corrections for dynamic compression ratio affect cylinder pressure in opposite directions, but not in equal strength.
Circa-1960 Saab two-stroke engine 2010 Suzuki K10B engine. Among the first cars to use a straight-three engine is the 1953–1955 DKW F91, powered by a 900 cc (55 cu in) two-stroke engine, although this was predated by the 3 cylinder 15hp Rolls Royce produced in 1905 and a number of other cars of this era also used 3 cylinder engines.
The mean effective pressure (MEP) is a quantity relating to the operation of a reciprocating engine and is a measure of an engine's capacity to do work that is independent of engine displacement. [1] Despite having the dimension of pressure, MEP cannot be measured. [ 2 ]
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The KH5T is a 1.5 L (1461 cc) DIG-T (Direct Injection Gasoline-Turbocharged) inline-3 12-valve engine, with a bore x stroke of 79.7 mm × 81.1 mm (3.14 in × 3.19 in). [clarification needed]. Power output is 160 PS (118 kW; 158 hp) and 240 N⋅m (177 lb⋅ft) of torque. The variation in compression ratio ranges between 8:1 and 14:1.