The McDonnell Douglas MD-11 is an iconic and distinctive aircraft because, in a world of quad and twinjet aircraft, this is a trijet. However, the third jet, mounted just below the tail fin, is fairly ...

Top 10: Very cool planes from the Cold War ...

Boeing ultimately settled on three engines for the 727 as a compromise between its three launch customers: United Airlines ...

These aren't drastic mods for a car engine, but applying them to this 27.0-liter V12 required some creativity.

If diesel engines need air for combustion, then how can submarines use them? Here's what you need to know about the clever ...