with oil in the crank case so that the poor engine wasn’t running dry any more. With a 40:1 fuel/oil mixture the little engine idles and runs as well as a two-stroke can, belching blue smoke and ...

We all know how a conventional internal combustion engine works, with a piston and a crankshaft ... We’re introduced to the traditional two-stroke diesel engine as thermally efficient but ...

The crankshaft rotates ... Some engines use fewer strokes per cycle. A two-stroke engine accomplishes everything in two movements of the piston. But it's sloppier, because it burns oil and ...

Porsche's new patented six stroke engine might not be a thing of reality yet, but the new technology is still very ...