Air engines are a common occurrence here on Hackaday. They’re relatively novel and reasonably easy to 3D print without requiring any fluids or supporting machinery. For example, [Tom Stanton] took a ...

As the horsepower war between automakers in the 1960s forged the Muscle Car era, the need to deliver increased fuel to V8 combustion chambers became evident to engine designers. But without enough ...

The Air Force has expanded funding for a cutting-edge adaptive engine that would power the Next Generation Air Dominance fighter, while the future of NGAD itself remains under consideration. (Air ...

Cooling fins are an iconic feature of motorcycle design. These blades made their mark early, with their parallel lines encircling the cylinders of classic bikes from day one. Whether on the striking V ...

One of the best aspects of a project build for automotive enthusiasts is the quest for improvements that will add to the vehicle in some way. There are several engine components to replace, add, or ...