Revealing an initial rendition of the fighter engine for the first time, GE says contract awards follow completion of the XA102 assembly review milestone in May and a detailed design review in ...

Mazda's Miller-cycle engine was a notable entry in the annals of automotive history, combining variable valve timing with a screw-type supercharger to maximize the brief compression cycle. The most ...

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 ...

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 ...

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 ...

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 ...

Almost all gasoline engines, whether they're efficient-yet-less-refined four-cylinders, high-horsepower V6s, or growly and torque-rich V8s, use much the same process to create power. The "Otto cycle" ...

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 ...

With small-scale single-cylinder engines typically between 450-650cc, thumper motorcycles are a favorite of new riders due to ...