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=== What is the difference between a rotary and radial engine? === | === What is the difference between a rotary and radial engine? === | ||
Rotary and radial engines are often confused and their names interchanged incorrectly.{{efn|Rotary aircraft engines are also not to be confused with the Wankel engine used in automobiles which is sometimes called a “rotary engine”.}} Simply put, in a rotary engine the entire cylinder block rotates around a fixed crankshaft, while a | Rotary and radial engines are often confused and their names interchanged incorrectly.{{efn|Rotary aircraft engines are also not to be confused with the Wankel engine used in automobiles which is sometimes called a “rotary engine”.}} Simply put, in a rotary engine the entire cylinder block rotates around a fixed crankshaft, while in a radial engine the cylinder block is fixed and the crankshaft rotates.{{efn|For an excellent demonstration of the differences, see the [http://vimeo.com/41546699 exhibit] at the Musée de l’air et de l’espace.}} | ||
=== Why do radial engines leak oil? === | === Why do radial engines leak oil? === |