Winglet

A winglet of a Boeing 757.

A winglet is an invention that makes aircraft use less fuel (gas). It does this by reducing induced drag.

Winglet Media

The Airbus A350 wingtip device
Line drawing of wingtip vortices behind a conventional wingtip (on the left) and a blended winglet (on the right)
The Ha 137 prototype aircraft, fitted with vertical wing extensions, c.1935–1937
Heinkel He 162A with Lippisch-Ohren wingtip devices
Van's RV-6 showcasing Hoerner style wingtips.
Winglet on KC-135 Stratotanker with attached tufts showing airflow during NASA tests in 1979–1980
Gulfstream V model winglet flutter tests at NASA Langley transonic wind tunnel
Winglet of McDonnell Douglas MD-11F
A Learjet 28/29, the first commercial aircraft with winglets
Wingtip fences are featured on most Airbus legacy models.

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