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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 ...
A simple three-into-one exhaust for each cylinder bank provides uniform scavenging, since the engine is effectively behaving like two separate straight-three engines in this regard. Primary reciprocating plane and rotating plane imbalances are present due to the distance along the crankshaft between opposing cylinders.
A straight engine is easier to build than an equivalent flat engine or V engine, as it uses one cylinder head rather than two. Inline engines are also narrower than flat engines or V engines; however, they are longer and can be taller. The engine balance characteristics of a straight engine depend on the number of cylinders and the firing interval.
Some engines have used a V-angle of 180 degrees (the same angle as a flat engine), such as several Ferrari V12 engines. [7] [8] At the other end of the scale, the 1922-1976 Lancia V4 engine and the 1991–present Volkswagen VR6 engine use V-angles as small as 10 degrees, along with a single cylinder head used by both banks of cylinders.
A Junkers Jumo 222 multibank aviation engine, four cylinders per bank. Inline Radial: Multiple bank engines, usually liquid-cooled, with an odd number of banks (three or more) arranged around a common axis and/or driving a common crankshaft with more than 180° between first and last banks, (e.g. air-cooled Armstrong Siddeley Deerhound, liquid ...
The Chrysler Slant-Six is the popular name for an overhead valve inline-6 engine produced by Chrysler Motors between 1959 and 2000. Featuring a reverse-flow cylinder head and cylinder bank inclined at a 30-degree angle from vertical, it was introduced in 170 cu in (2.8 L) and 225 cu in (3.7 L) displacements for the 1960 model year.
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The Lancia engine was a narrow-angle design with an angle of 20 degrees between the banks and a single cylinder head with one overhead camshaft shared by both banks. It also used aluminium for both the block and head (which was unusual for the time). [9] Lancia produced V4 engines until 1976, when they were replaced by flat-four engines.