If you've flown on a commercial airline, chances are the engines were under the wings. But step in front of most private jets, and you'll notice a big difference. Instead of being slung under the ...

On the McDonnell Douglas MD-11, the center engine is not fed in the same way that most traditional trijets are. The Boeing ...

If you've ever taken a closer look at small planes or seen one being maintained, you might have spotted something interesting under the hood. The engine layout is often wide and flat, and not stacked ...