In aeronautics, a trapezoidal wing is a straight-edged and tapered wing planform. It may have any aspect ratio and may or may not be swept. The thin, unswept, short-span, low-aspect-ratio trapezoidal configuration offers some advantages for high-speed flight and has been used on a small number of aircraft types. In this wing configuration, the leading edge sweeps back and the trailing edge sweeps forward. It can provide low aerodynamic drag at high speeds, while maintaining high strength and stiffness, and was used successfully during the early days of supersonic aircraft.
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| - Aile trapézoïdale (fr)
- Ala trapezoidale (it)
- Trapezoidal wing (en)
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| - L'aile trapézoïdale ou aile en diamant est une configuration d'aile de haute performances. Cette aile est caractérisée par un faible allongement et un angle de flèche total faible. En effet, le bord d'attaque présente une flèche positive alors que le bord de fuite en présente une négative. Elle apporte :
* une finesse accrue de l'aile en augmentant son allongement ;
* une réduction de la traînée produite par l'écoulement de l'air autour de l'aile. Elle est l'héritière de l'aile elliptique qui a été notamment mise en œuvre sur le Supermarine Spitfire pendant la Seconde Guerre Mondiale. (fr)
- In aeronautics, a trapezoidal wing is a straight-edged and tapered wing planform. It may have any aspect ratio and may or may not be swept. The thin, unswept, short-span, low-aspect-ratio trapezoidal configuration offers some advantages for high-speed flight and has been used on a small number of aircraft types. In this wing configuration, the leading edge sweeps back and the trailing edge sweeps forward. It can provide low aerodynamic drag at high speeds, while maintaining high strength and stiffness, and was used successfully during the early days of supersonic aircraft. (en)
- Un'ala trapezoidale (o ala a diamante) è una configurazione alare ad alte prestazioni. Si tratta di una breve ala rastremata (allungamento alare aspect ratio basso) che ha un piccolo o nessun angolo di freccia, tale che il bordo d'attacco si estende all'indietro e il bordo di uscita si estende in avanti. Il disegno trapezoidale permette un'ala sottile con bassa resistenza alle alte velocità, pur mantenendo alta resistenza e rigidità. (it)
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| - L'aile trapézoïdale ou aile en diamant est une configuration d'aile de haute performances. Cette aile est caractérisée par un faible allongement et un angle de flèche total faible. En effet, le bord d'attaque présente une flèche positive alors que le bord de fuite en présente une négative. Elle apporte :
* une finesse accrue de l'aile en augmentant son allongement ;
* une réduction de la traînée produite par l'écoulement de l'air autour de l'aile. Elle est l'héritière de l'aile elliptique qui a été notamment mise en œuvre sur le Supermarine Spitfire pendant la Seconde Guerre Mondiale. (fr)
- In aeronautics, a trapezoidal wing is a straight-edged and tapered wing planform. It may have any aspect ratio and may or may not be swept. The thin, unswept, short-span, low-aspect-ratio trapezoidal configuration offers some advantages for high-speed flight and has been used on a small number of aircraft types. In this wing configuration, the leading edge sweeps back and the trailing edge sweeps forward. It can provide low aerodynamic drag at high speeds, while maintaining high strength and stiffness, and was used successfully during the early days of supersonic aircraft. (en)
- Un'ala trapezoidale (o ala a diamante) è una configurazione alare ad alte prestazioni. Si tratta di una breve ala rastremata (allungamento alare aspect ratio basso) che ha un piccolo o nessun angolo di freccia, tale che il bordo d'attacco si estende all'indietro e il bordo di uscita si estende in avanti. Il disegno trapezoidale permette un'ala sottile con bassa resistenza alle alte velocità, pur mantenendo alta resistenza e rigidità. (it)
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