Just about every piston engine is defined by two basic measurements: bore and stroke. Bore is the diameter of the cylinder. Stroke is the distance the piston travels from bottom dead center to top ...

An engine's displacement dictates power output based on the bore and stroke, while compression ratio influences how strong ...

Porsche was issued a patent for its six-stroke combustion engine on October 22, 2024. The company describes the new engine as having a "working cycle" of three complete crankshaft revolutions with two ...

Any oddball engine is clickbait crack for mechanical nerds, and the most compelling ones purport to introduce an entirely new combustion concept. "Not a four-stroke, not a two-stroke, a revolutionary ...

WinGD will record the first installation of its new X-S short-stroke engine design following successful factory acceptance tests with engine builder Dalian Marine Diesel in March. The six-cylinder, ...