In this video, we examine the functioning of four-stroke and two-stroke engines, highlighting their differences along with ...

When I went to school for engine repair in the 1980s, we studied the differences between two- and four-stroke engine cycles extensively. If you're not familiar with engine strokes, understanding the ...

It's important to keep in mind that the combustion process occurs in a very brief period of time. Due to a variety of conditions that include mixture density, homogeneity, temperature, fuel ...

Porsche has patented an innovative six-stroke engine that combines the benefits of a two-stroke engine's power with the durability and emissions cleanliness of a four-stroke engine. This design ...

GE Aviation's XA100 adaptive cycle engine successfully completed U.S. Air Force testing and is ready to progress into development as a potential F-35 upgrade. The XA100 engine offers both high-thrust ...

Ever since 2016, the U.S. Air Force (USAF) has been looking for a new engine to slap into its fifth-generation F-35 fighter plane. The engine didn’t get to be detailed until 2019, and testing didn’t ...

Gasoline engines usually run on the Otto cycle, the standard four-stroke and two-stroke combustion process that has been powering humanity for a while now. Although engines typically rely on the "suck ...

Bigger isn't always better: here's why engine designers obsess over bore, stroke, and cylinder size.

The engine is possibly the greatest invention in the history of mankind. Generally speaking, engines are machines that convert one form of energy into mechanical energy and have revolutionized all ...

Porsche patented a 6-stroke engine Outside of early Saabs, most gas-powered car engines are a 4-stroke Porsche's 6-stroke patent seems to indicate it could eke more power out of an engine Unless you ...

The Mazda CX-90 feels like a bona fide luxury SUV, but the company's current upmarket push isn't its first. At one time, Mazda was actually going to launch its own luxury sub-brand, and it would bring ...