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Wing Sweep
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| Category: | Theory of Flight | 
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| Content source: | SKYbrary | 
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| Content control: | SKYbrary |
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Swept Wing
Description
A swept wing is the most common planform for high speed (transonic and supersonic) jet aircraft. The most common wing sweep configuration is a "swept back" profile but forward sweep and variable sweep wings are also in use.
In transonic flight, a swept wing allows a higher Critical Mach Number than a straight wing of similar Chord and Camber. This results in the principal advantage of wing sweep which is to delay the onset of wave drag.
A swept wing is optimised for high speed flight. Low speed handling characteristics and lift generation are improved by the addition of High Lift Devices such as Slats and Flaps.