Lancaster patented "wing endplates" — rudimentary attachments that help reduce drag at the wingtips, though not nearly as effectively as winglets do. Wind tunnel tests have shown that winglets ...

now flying on almost 2,000 Boeing 737NGs, the addition of both a revised scimitar tip on the upper winglet and a new lower blade projecting below the wing . . . have improved the drag reduction of ...

Aircraft like the Boeing 747-400 and McDonnell Douglas MD-11 began flying with enhanced wingtips ... However, at the end of the wing, this force can create small vortices, which winglets reduce. Thus, ...

At the end of just about every commercial airliner’s wings is an important piece of technology that can be easy to miss. The ...

Here most people are probably quite familiar with the US Air Force’s B-2 Spirit bomber and its characteristic flying wing design, while blended wing body (BWB) maintains a somewhat distinctive ...

Two American Airlines jets clipped wings on a taxiway, officials said. Representative Grace Meng said that, in 10 years of flying to and ... was limited to the winglets of the two planes and ...