Origin of four-stroke
Examples from the Web for four-stroke
Historical Examples of four-stroke
A 3-cylinder two-stroke cycle engine therefore has the same capacity to do work as a 6-cylinder four-stroke cycle engine.
The majority of petrol engines operate upon what is known as the four-stroke principle.The Aeroplane
Claude Grahame-White and Harry Harper
Inventor of the four-stroke engine applied in the automotive industry.The Civilization of Illiteracy