The Boeing 747-8's innovative raked wingtips offer a sleek, integrated solution to reduce induced drag.

(CNN) — What caught your eye the last time you looked out of your airplane window? It might have been the winglet, a now ubiquitous appendage at the end of each wing, often used by airlines to display ...

The A350's winglets are much larger than the A330neo's, an aircraft that partially followed the A350's winglet design.

In one of the most famous "Twilight Zone" stories, an airline passenger looks out the window of a commercial plane and is horrified to see a monstrous gremlin on the wing. If you were to do the same ...

W. Mangler, 1938, “The lift distribution of wings with end plates,” NACA TM 856; transl. by J. Vanier from “Die Auftriebsverteilung am Tragflügel mit ...

This chapter provides the committee’s evaluation of steps the Air Force could take to improve the fuel economy of aircraft in its inventory, in particular by modifying the wingtips. It begins with a ...