Every new internal combustion car and truck sold in America today is equipped with a four-stroke engine, as are the vast ...

Four-stroke engines, which make up 99% of engines on the road, need to breathe: air in during intake, sealed tight during ...

It is quite ironic that internal combustion engines (ICEs) have remained basically the same for more than one hundred years. It is only now – when they are allegedly on the verge of disappearing ...

Air is drawn in via carburation or fuel injection through the front half of the engine, where it is squeezed down and compressed to 200-300 psi (13.8-20.6 bar) – very much like a compressor ...

Check it out: Avadi Engine MA-250 Animation According to Avadi's website ... Dardalis as Chief Technology Officer, and the rotary valve design had "unsurmountable deficiencies in airflow ...

One of the distinguishing features is that they don't need valves to operate. That's to say, the Wankel rotary engine design doesn't have valves — but quite a few rotary engine designs have ...

Good news, everyone! Mazda is not only reassembling a dedicated team of engineers for rotary engine development, as we’ve reported earlier, but today it also announced its intention to expedite ...

Mazda's rotary engines are known for their smooth power delivery and high revving capabilities. They are also relatively lightweight and compact, which makes them ideal for sports cars and other ...

Rotary engines have almost completely gone out of production, but they’re still beloved by enthusiasts. Eschewing pistons for a spinning three-sided rotor, they rev to the moon and sound great ...

The redline was set at 6,000 rpm, but the engine could actually go much higher as it doesn't contend with valve float or the damage from pistons being jerked back and forth too fast. A rotary ...