Inline engine aeronautics v3 is a photograph by John Straton which was uploaded on December 25th, 2015.
Inline engine aeronautics v3
The straight or inline engine is an internal-combustion engine with all cylinders aligned in one row and having no offset. Usually found in four, six... more
by John Straton
Title
Inline engine aeronautics v3
Artist
John Straton
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Photograph
Description
The straight or inline engine is an internal-combustion engine with all cylinders aligned in one row and having no offset. Usually found in four, six and eight cylinder configurations, they have been used in automobiles, locomotives and aircraft, although the term in-line has a broader meaning when applied to aircraft engines, see Inline engine (aviation).[citation needed]
A straight engine is considerably easier to build than an otherwise equivalent horizontally opposed or V engine, because both the cylinder bank and crankshaft can be milled from a single metal casting, and it requires fewer cylinder heads and camshafts. In-line engines are also smaller in overall physical dimensions than designs such as the radial, and can be mounted in any direction. Straight configurations are simpler than their V-shaped counterparts. They have a support bearing between each piston as compared to "flat" and "V" engines, which have support bearings between every two pistons. Although six-cylinder engines are inherently balanced,[vague] the four-cylinder models are inherently off balance and rough, unlike 90-degree V fours[citation needed] and horizontally opposed 'boxer' four cylinders.
In aviation, the term "inline engine" is used more broadly, for any non-radial reciprocating engine.[2]
Some straight engines, in the strict sense, have been produced for aircraft. Renault produced a straight-four inverted air-cooled motor, which was used on the Stampe SV.4. A similar design was the de Havilland Gipsy series of engines, used on the Tiger Moth and other aircraft. Advantages include improved visibility for the pilot in single-engined craft, and lower center of gravity.
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December 25th, 2015
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