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The canted winglet of the MD-11 is a contemporary of the winglets used on the 747-400 and the A330/A340 which all sprang from NASA aerodynamicist Richard Whitcomb's work in the 1970s and 1980s. But the MD-11 was alone in that group of large commercial transports in adopting a lower winglet as well. Whitcomb's work did show that a downward winglet with the upper winglet offered further drag reductions. Boeing and Airbus felt the drag reductions offered with a lower winglet were offset by an increased risk of damage to the lower winglet by ground vehicles or heavy crosswind landings. McDonnell Douglas, however, wanted to exact as much performance as possible in the MD-11 and reduced the lower winglet size as a compromise. The bigger 213-foot supercritical wing planned for the MD-11 follow on, the MD-XX, had an even larger winglet with a bigger lower winglet.
Early evening departure from Chieng Mai Airport (CNX) heading back home in Bangkok. As seen from the picture, we were banking left as the sun shined from the west, illuminating both two engines and winglet. We was going to arrive in Bangkok as Thai Airways 115, B747-400, in an hour.
Winglet touched by late afternoon sun captured from the last row of economy class cabin. Nice cloud formation over the Gulf of Tonkin can be spotted in the background. On board Thai Airways B747-400 flying from Bangkok to Hong Kong.
SX-RFA Boeing 757-23N/W GainJet at London Southend Airport EGMC for maintenance.
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Westjet Airlines 737-800 (C-GWRG) with Scimitar Winglet retrofit on final approach to LAX Runway 24R. (08/01/14)
This Thomas Cook/Condor 767 is the only one I have ever seen with winglets. Dave in the tower got some photos of this bird on a previous occasion but it still looks a bit odd to me. Anyway, here she is on the roll on 26L at CYVR.
Tighter crop and level adjustment on the original picture of a Boeing 737-800 Winglet by teemus.
OSP: Cropped at 2400x1600 (3:2) ratio. Level adjustment for "Value" set to 80 (black), 1.50 (gamma), 255 (white).
This is the second time I've seen this guy in Yellowknife, this time enroute from Shanghai to Montreal.
FL340 Brisbane to Melbourne ... everything just hums along high above a layer of thin clouds below us.
View of the right winglet on a Southwest Airlines Boeing 737, during landing of a flight from Chicago Midway (MDW) to Kansas City (MCI). Our flight landed on Runway 19R, heading south-southwest.
Wednesday afternoon 29 October 2008.
Winglet of Thai Airways B744 while cruising over the South China Sea at sunset. Clear sky up above, but still some rain cloud was visible down below on our way to Hong Kong. This was TG606 originated in Suvarnabhumi Bangkok.
A side profile illustration of a white Boeing 757-200 with winglets over a blank background with and without the landing gear deployed
Sure makes for a great shape looking up from the outside. You might enjoy the whole Blended Winglet set of 8 pics.
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From the plaque below the blended winglet exhibit:
The Future Is On The Wing
This Blended Winglet was test flown on a Boeing 747-200 in 2000 to prove the viability of Blended Winglets for big transport aircraft.
Blended Winglets are gracefully curved wingtip extensions that measurably enhances the aerodynamic efficiencies, flight characteristics and environmental benefits of corporate and commercial aircraft.
Aviation Partners of Seattle introduced the patented Blended Winglets in 1991. They are now flying on airliners and corporate jets worldwide saving fuel and protecting the environment.
The Museum of Flight is grateful to Aviation Partners, Inc. and Aviation Partners Boeing for their enormous contribution to the world of flight and aerospace.
In the CAAC Aeronautical Collection at Tianjin, China, close up on the very unusual winglets on one of the three Antonov 2's/Nanchang Y-5's in the Collection.
Winglet of Thai Airways A333, HS-TEL, while flying over the Gulf of Thailand from Bangkok to Phuket in a cloudy day.
Purple winglet of Thai Airways A333 registered as HS-TEP being touched by very late afternoon sun. We were on our way to Hanoi, Vietnam, and this shot was taken approx. 1 hour after our departure from Bangkok.