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Non-planar wingtips provide the wake control benefit of winglets, with less parasitic drag penalty, if designed carefully. The non-planar wing tip is often swept back like a raked wingtip and may also be combined with a winglet. A winglet is also a special case of a non-planar wingtip. [citation needed]
A wing tip (or wingtip) is the part of the wing that is most distant from the fuselage of a fixed-wing aircraft. Because the wing tip shape influences the size and drag of the wingtip vortices, tip design has produced a diversity of shapes, including: Squared-off; Aluminium tube bow; Rounded; Hoerner style; Winglets; Drooped tips; Raked ...
Raked wingtips, similar to the ones used on the 777-200LR, 777-300ER, and 787 aircraft, are used on the 747-8 instead of winglets used on the 747-400. [126] [127] These wingtip structures help reduce the wingtip vortices at the lateral edges of the wings, decreasing wake turbulence and drag and thereby improving fuel efficiency. Another effort ...
Winglet: a small fin at the wingtip, usually turned upwards. Reduces the size of vortices shed by the wingtip, and hence also tip drag. Strake: a small surface, typically longer than it is wide and mounted on the fuselage. Strakes may be located at various positions in order to improve aerodynamic behaviour.
The wingspan was decreased by using blended winglets instead of raked wingtips. By January 2010, all orders, from Japan Airlines and All Nippon Airways, had been converted to the 787-8. [167] As it was designed specifically for the Japanese market, Boeing would likely scrap it after they switched orders. [168]
Here's a simple way to prepare your turkey like a pro before roasting: Tuck the wings to enhance the presentation while ensuring even cooking.. Securing the wings behind and close to the body ...
Complete coverage of the NFL's Super Bowl in New Orleans on February 9, 2025.
Wingtip vortices are circular patterns of rotating air left behind a wing as it generates lift. [1]: 5.14 The name is a misnomer because the cores of the vortices are slightly inboard of the wing tips. [2]: 369 Wingtip vortices are sometimes named trailing or lift-induced vortices because they also occur at points other than at the wing tips.