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Four-stroke cycle used in gasoline/petrol engines: intake (1), compression (2), power (3), and exhaust (4). The right blue side is the intake port and the left brown side is the exhaust port.
The crankshaft configuration varies amongst opposed-engine designs. One layout has a flat/boxer engine at its center and adds an additional opposed-piston to each end so there are two pistons per cylinder on each side. An X engine is essentially two V engines joined by a common crankshaft. A majority of these were existing V-12 engines ...
Personally I think the description should be enhanced, maybe with some labelling, and poor wording such as 'suction stroke' improved. However, other than running a bit smoother, I think I'd need some convincing that it's an improvement over the existing FP File:4-Stroke-Engine.gif. --jjron 19:04, 17 July 2010 (UTC)
The induction stroke is the first phase in a four-stroke (e.g. Otto cycle or Diesel cycle) engine.It involves the downward movement of the piston, creating a partial vacuum that draws an air-fuel mixture (or air alone, in the case of a direct injection engine) into the combustion chamber.
For instance, a 4-stroke I2 engine has better balance when the angle between the crankpins is 180° because the pistons move in opposite directions and inertial forces partially cancel, but this gives an odd firing pattern where one cylinder fires 180° of crankshaft rotation after the other, then no cylinder fires for 540°. With an even ...
An added benefit of the system was having a separate tank for the engine oil which was automatically added to the fuel mixture, obviating the need for owners to mix their own two-stroke fuel blend. [45] The 1955 Mercedes-Benz 300SL also used an early Bosch mechanical GDI system, therefore becoming the first four-stroke engine to use GDI. Up ...
The Coventry Climax straight-four engine was also a very successful racing engine, which began life as a 1.5 litre Formula 2 engine. Enlarged to 2.0 litres for Formula One in 1958, it evolved into the large 2,495 cc FPF that won the Formula One championship in Cooper's chassis in 1959 and 1960. [19]: pp. 130–133 In Formula One, the 1980s were ...
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 ]