VC10er
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Pioneers Of The Winglet?

Sun Feb 02, 2014 2:02 pm

I love what winglets do to enhance the beauty of flying machines. And I am only referring to passenger aircraft. Which aircraft type was first to incorporate or add them? I cannot recall if it was the MD-11, or 747-400 or an RJ.

Also I have noted how wide they are on an MD-11, and while a bit less wide the 744. The first time I saw the tall and thinner ones was about a decade ago on (what I vaguely recall) as the first 737 for VARIG. I was on the beach near Fortaleza when she was banking on approach and fairly low. She was gorgeous!

Then the A330, and other Airbus aircraft, then added to 757's and 767's. Embraer E175+ etc. However it also seems the CRJ was an early adopter.

Who and what aircraft were the winglet trailblazers (not military, pax versions)?

Thanks
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Polot
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RE: Pioneers Of The Winglet?

Sun Feb 02, 2014 2:28 pm

Quoting VC10er (Thread starter):
Who and what aircraft were the winglet trailblazers (not military, pax versions)?

Nasa. They tested them on a CO DC-10.

http://www.flightglobal.com/blogs/un...12/what-does-a-tanker-really-need/
 
RubberJungle
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RE: Pioneers Of The Winglet?

Sun Feb 02, 2014 2:34 pm

Winglets, in concept, were invented before the first aircraft flew. Some business jet aficionados might argue that the first passenger aircraft to have them was the Learjet 28.
 
lostsound
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RE: Pioneers Of The Winglet?

Sun Feb 02, 2014 2:55 pm

First commercial aircraft to standardize a winglet device would be the Airbus A300/A310.
 
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usair330
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RE: Pioneers Of The Winglet?

Sun Feb 02, 2014 3:00 pm

Quoting RubberJungle (Reply 2):
Some business jet aficionados might argue that the first passenger aircraft to have them was the Learjet 28.

"The Learjet 28/29 was the first production jet aircraft to utilize winglets[citation needed] (entering service in 1977)"
http://en.wikipedia.org/wiki/Learjet_28
 
26point2
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RE: Pioneers Of The Winglet?

Sun Feb 02, 2014 3:01 pm

Reference to the RJ's winglets...the RJ is a derivative of the Canadair Challenger 604/601 biz jet which has always been equipped with winglets since built in the mid 1980s.
 
fanofjets
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RE: Pioneers Of The Winglet?

Sun Feb 02, 2014 11:01 pm

Quoting Polot (Reply 1):
Nasa. They tested them on a CO DC-10

Specifically, it was Richard T. Whitcomb, at NASA's Langley Research Center. To the best of my knowledge these devices were tested on a USAF KC-135:


View Large View Medium
Click here for bigger photo!

Photo © AirNikon Collection-Pima Air and Space Museum



Whitcomb was also the inventor of the supercritical wing, from which the winglet was derived:
http://airandspace.si.edu/collection...tifact.cfm?object=siris_arc_228073

Burt Rutan was one of the earliest commercial users of these devices, incorporating them on the Vari-Eze.
http://www.airventuremuseum.org/coll...0VariEze%20Prototype.asp#TopOfPage
http://www.airventuremuseum.org/virt...l/interactive/innovations/varieze/

According to the Wikipedia article, patents for similar devices were awarded even earlier. Scottish automotive and aeronautical engineer Frederick W. Lanchester explored vortices caused by wings and received a patent for his idea for controlling them back in 1897. Vincent Burnelli, an aerodynamicist who certainly thought "beyond the box," received US Patent no: 1,774,474 for his "Airfoil Control Means" on August 26, 1930. Dr. Sighard F. Hoerner in 1952 pioneered the idea of rounded tips that droop downward. These were first used on sailplanes but saw much more widespread application on light (powered) aircraft later on. Anyone who soloed in a Cessna 152 will recognize these Hoerner tips.

I remember reading about Whitcomb winglets back in the late 1970s, in Aviation Weekly and Space Technology and also recall their use on the newer Lear Jets at the time. I was surprised that the designers of commercial airplanes, most notably Boeing, McDonnell Douglas, and Airbus, took so long to adopt these fuel-saving devices. Airbus was the first, with the familiar wing fences on the A310 and delta-shaped fences on the (then) new A300-600R.

[Edited 2014-02-02 15:08:42]

[Edited 2014-02-02 15:13:08]

[Edited 2014-02-02 15:15:49]
The aeroplane has unveiled for us the true face of the earth. -Antoine de Saint-Exupery
 
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zeke
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RE: Pioneers Of The Winglet?

Mon Feb 03, 2014 12:17 am

Quoting VC10er (Thread starter):
And I am only referring to passenger aircraft. Which aircraft type was first to incorporate or add them? I cannot recall if it was the MD-11, or 747-400 or an RJ.

A310.
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AviationAddict
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RE: Pioneers Of The Winglet?

Mon Feb 03, 2014 12:26 am

Quoting 26point2 (Reply 5):

Reference to the RJ's winglets...the RJ is a derivative of the Canadair Challenger 604/601 biz jet which has always been equipped with winglets since built in the mid 1980s

The original 600 did not have winglets from the factory but they were available as an aftermarket upgrade (upgraded aircraft were known as the 600S). As you mentioned though the winglets did become standard equipment on the 601 when it was introduced in 1982.
 
UA735WL
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RE: Pioneers Of The Winglet?

Mon Feb 03, 2014 3:57 am

The first aircraft to actually use any sort of wingtip device would either be the A300-600 or the A310 (not sure which came first). The first use of a true "winglet"- that is, an upturned surface at the wingtip- would be the 744 in 1989. The first aircraft to be certified with the "blended" winglet common on 737s today that also forms the conceptual basis for Airbus's Sharklets was the 73H, in 1999 (I believe).

Rgds,  

Jonas
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dc1030cf
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RE: Pioneers Of The Winglet?

Mon Feb 03, 2014 4:51 am

I think the Chinese Y7-100 also had winglets back in the mid-80's.
 
rwy04lga
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RE: Pioneers Of The Winglet?

Mon Feb 03, 2014 5:07 am

The Rutan VariEZE had Whitcomb winglets in the early 70's.
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ferminbrif
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RE: Pioneers Of The Winglet?

Mon Feb 03, 2014 5:09 am

Quoting VC10er (Thread starter):
Pioneers Of The Winglet?

Althought, the topic is not about military but pax aircraft, I have a doubt regarding wingltes. Is it right (or not) to say that Phantom F4 had winglets????
Thanks.
FBF
 
rwy04lga
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RE: Pioneers Of The Winglet?

Mon Feb 03, 2014 5:19 am

Quoting ferminbrif (Reply 12):
Is it right (or not) to say that Phantom F4 had winglets????

I would say 'not', but that's only an opinion and not a fact I can verify.

I grew up with F-4's at MacDill AFB. They made one helluva racket flying by in formation. Sweet memories.
Just accept that some days, you're the pigeon, and other days the statue
 
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DocLightning
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RE: Pioneers Of The Winglet?

Mon Feb 03, 2014 8:39 am

Quoting lostsound (Reply 3):
First commercial aircraft to standardize a winglet device would be the Airbus A300/A310.

I wouldn't call the Airbus wingtip fence a winglet. It's a wingtip device, yes. The first major commercial airliner with winglets was the 747-400. It was followed very closely by the MD-11.

I was fascinated that the 777 initially didn't have them.
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trijetsonly
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RE: Pioneers Of The Winglet?

Mon Feb 03, 2014 9:06 am

Quoting DocLightning (Reply 14):
I wouldn't call the Airbus wingtip fence a winglet. It's a wingtip device, yes. The first major commercial airliner with winglets was the 747-400. It was followed very closely by the MD-11.

In that case you should also think about the Ilyushin 96.
First flight 1988, EIS 1992
http://upload.wikimedia.org/wikipedia/commons/1/13/Ilyushin_Il-96.jpg
Happy Landings
 
Wayfarer515
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RE: Pioneers Of The Winglet?

Tue Feb 04, 2014 5:40 am

Quoting Trijetsonly (Reply 15):
In that case you should also think about the Ilyushin 96.
First flight 1988, EIS 1992

What a magnificent photo of that Russian metal bird. Hopefully the rumors about its re-engine program come tu reality.
 
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DocLightning
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RE: Pioneers Of The Winglet?

Tue Feb 04, 2014 6:03 am

Quoting Trijetsonly (Reply 15):
In that case you should also think about the Ilyushin 96.
First flight 1988, EIS 1992

A pretty plane, yes, but the 744 had its first flight 28 April 1988, while the IL-96 first flew 28 September 1988.

I stand by my statement that the first large production commercial airliner with winglets was the 744.

The first wingletted "airliner" that I know of is the BBD Challenger 601.

I should qualify my statement about the A310: the Airbus wingtip fence is not a winglet. A winglet works by recovering vortex energy and converting it to thrust. It also increases the effective span and smooths the span-wise loading.

The Airbus wingtip fence is a set of opposite-cambered airfoils that (as best as I can figure out) create counter-rotating vortices to the overall wingtip vortex. It works on a different principle.
-Doc Lightning-

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OldAeroGuy
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RE: Pioneers Of The Winglet?

Tue Feb 04, 2014 2:51 pm

Quoting DocLightning (Reply 14):
I was fascinated that the 777 initially didn't have them.

Still doesn't.
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