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Green. Nickname. USU. Website. usu .ac .id. The University of North Sumatra ( Indonesian: Universitas Sumatera Utara or USU) is a public university located in the city of Medan in North Sumatra, Indonesia . It is situated in Padang Bulan, in the Medan Baru subdistrict of Medan, close to the City Centre, with a total area of 122 hectares.
The Iron Duke engine (also called 151, 2500, Pontiac 2.5, and Tech IV) is a 151 cu in (2.5 L) straight-4 piston engine built by the Pontiac Motor Division of General Motors from 1977 until 1993. Originally developed as Pontiac's new economy car engine, it was used in a wide variety of vehicles across GM's lineup in the 1980s as well as supplied ...
Engine configuration. The engine configuration describes the fundamental operating principles by which internal combustion engines are categorized. Piston engines are often categorized by their cylinder layout, valves and camshafts. Wankel engines are often categorized by the number of rotors present. Gas turbine engines are often categorized ...
1939–1945 – 801, 41.8 L supercharged 14-cylinder double row. 1942 – 802, projected 53.7 L supercharged 18-cylinder double row; 18-cylinder version of 801. 803, projected 83.5 L supercharged 28-cylinder 4-row liquid-cooled; essentially two 801s coupled together. 1936–1944 – Bramo 323, 26.8 L supercharged 9-cylinder, inherited when BMW ...
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Engine balance refers to how the inertial forces produced by moving parts in an internal combustion engine or steam engine are neutralised with counterweights and balance shafts, to prevent unpleasant and potentially damaging vibration. The strongest inertial forces occur at crankshaft speed (first-order forces) and balance is mandatory, while ...
A flat-four engine, also known as a horizontally opposed-four engine or boxer engine, [1] is a four-cylinder piston engine with two banks of cylinders lying on opposite sides of a common crankshaft. The most common type of flat-four engine is the boxer-four engine, each pair of opposed pistons moves inwards and outwards at the same time.
Multi-valve engine design A multi-valve engine design has three, four, or five valves per cylinder to achieve improved performance. In automotive engineering, any four-stroke internal combustion engine needs at least two valves per cylinder: one for intake of air (and often fuel [3] ), and another for exhaust of combustion gases.