The bigger the reciprocating masses and the longer the stroke, the more vibration ... For this list, we consider four-cylinder gas engines of any configuration used in regular cars and trucks ...

(Robert Martin/) The four ... gas engines were created. They were feeble because the inventors, their minds prisoner to steam ...

At bottom-dead-center (BDC) the inlet valve is closed and the compression stroke (b) starts. Work is done on the air/fuel mixture as the piston moves to TDC. In the vicinity of TDC the spark ignites ...

You may have heard your car has a four-stroke engine, but you're not sure what that means. Why are there four? And what is a stroke, anyway? A modern gas engine most commonly uses pistons and a ...

At its worst, a mass-produced four-cylinder engine is unenthusiastic, coarse, and just unpleasant. Joyless, frankly. The four-stroke four ... humdrum four-cylinder engines here: we’re talking ...

If hot-air engines and inflammable gas engines ... and in dilating to four times its bulk, if it were a perfectly dry gas, its temperature would fall below 0° C. But as some vapor of water ...

But most of what we’ve seen has been simple two-stroke engines. We’re really impressed with the skill needed to bring off a four-stroke engine like this, and we feel like we picked up quite a ...

One runs on gasoline power and the other runs on diesel. But apart from that, how do the two types of motorhomes vary, and how can you tell the difference while on the road? Here’s what you need to ...

hinting at the potential move from traditional four-stroke engines. The development could mark a major evolution in ...

Porsche has patented a revolutionary six-stroke internal combustion system. Contrast to all modern combustion engines that run the four-stroke Otto ... Sort of how an exhaust gas recirculation ...

New Laser-Based Headset Can Measure Blood Flow, Assess Risk of Stroke Sep. 30, 2024 — Researchers have developed a laser-based device that can measure blood flow noninvasively and differentiate ...

Opinions expressed by Forbes Contributors are their own. Hugh McIntyre covers music, with a focus on the global charts. More than a dozen new releases debut on this week's Billboard 200 chart, and ...