Is It Really a "1-Stroke?" This is basically a four-cylinder, opposed-piston engine, similar in basic concept to the EcoMotors OPOC and Achates Power opposed-piston engines. It trades off the ...

The company is showcasing a “one-stroke” engine that works as an opposed piston with a wavy twist. With a slogan like “The Future is Ecclectic,” we’d expect some interesting things from ...

Two-Stroke Problems: Hydrocarbon and NOx Emissions? Unlike Orbital two-strokes and others that utilize normal poppet valves, this one still uses cylinder ports near the bottom of each pistons' stroke.

One piston is timed to reach bottom-dead-center slightly prior to the other, ... Now, here’s the thing: this motor isn’t a one-stroke engine.

A four-stroke engine uses four motions of a piston to complete one cycle of combustion. The first stroke of a cycle is the intake. The piston moves down to BDC, making space in the cylinder for ...

Being a two-stroke engine, it supposedly needs its fuel to be mixed with oil, as it does with the vast majority of such ICEs. That's what ensures it will have enough lubrication so the pistons do ...