Use in Characterisation of Internal Combustion Engines
Multi-cylinder internal combustion engines have their cylinder banks arranged in different ways. If there are just two, they may be in-line, opposed or at an angle, the latter often described as a Vee (or V) arrangement. When there are more than two cylinders, they are either arranged radially, in-line or in in-line groups. Thus a V-6 engine has two banks of three cylinders at an angle driving a common crankshaft, a V-12 two groups of six in-line. Broad arrow or W engines have three groups, one vertical and the two others symmetrically angled at less than 90° on either side. The Napier Lion was an aircraft engine from the 1920s with this layout, a twelve-cylinder motor with three in-line groups of four cylinders.
Read more about this topic: Broad Arrow
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