Winglet

Definition

A vertical or angled extension at the wingtip that reduces induced drag by weakening wingtip vortices. Winglets can improve fuel efficiency by 3-5% on modern transport aircraft.

Related Terms

Wingtip Vortex

A circular airflow pattern created at the wingtips where high-pressure air below...

Induced Drag

Drag created as a byproduct of lift generation, caused by wingtip vortices defle...

Aspect Ratio

The ratio of wingspan to mean chord. High aspect ratio wings (long and narrow) p...

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