Straight-twin Engine With Different Crank Shaft Angles
A straight-twin engine, also known as an inline-twin, vertical-twin, or parallel-twin, is a two-cylinder piston engine whose cylinders are arranged in a line along a common crankshaft. Straight-twin engines are primarily used in motorcycles; other uses include automobiles, marine vessels, snowmobiles, Jet Skis, all-terrain vehicles, tractors and ultralight aircraft. Various different crankshaft configurations have been used for straight-twin engines, with the most common being 360 degrees, 180 degrees and 270 degrees. Terminology The straight-twin layout is also referred to as "parallel-twin", "vertical-twin" and "inline-twin". Some of these terms originally had specific meanings relating to the crankshaft angle or engine orientation, however they are often also used interchangeably. In the United Kingdom, the term "parallel-twin" is traditionally used for engines with a crankshaft angle of 360 degrees, since the two pistons are in the same direction (i.e. parallel to each o ...
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Rovena 250 1964 - Hispano Villiers Engine
Rovena is a given name and surname. Notable people with the name include: * Rovena Stefa (born 1979), Albanian singer * Rovena Marku, Olympic freestyle swimmer from Albania * Marcella Rovena Marcella Rovena (22 January 1905 – 6 October 1991) was an Italian film and voice actress. Born in Conegliano, she started her career on the big screen in 1932 with director Nunzio Malasomma Nunzio Malasomma (4 February 1894 – 12 J ..., Italian film and voice actress See also * '' Cheneya rovena'', a moth in the family Bombycidae {{given name, type=both ...
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