Picture a large-displacement piston engine in your mind. Perhaps the first image to come up is an engine you'd see in construction equipment, like the 20-cylinder quad-turbo 6.5-liter powerplant from ...

Hanwha Aerospace is to develop a range of engines for unmanned air vehicles, including a large engine for medium-altitude, long-endurance systems. The company says it will work on the technology ...

There are millions of people taking to the skies each day, but I can almost guarantee you that very few of them give the technology that allows planes to fly, engines, a second thought. Yet, each and ...