L1011CPH
Topic Author
Posts: 4
Joined: Sun Mar 30, 2008 5:36 pm

Winglets On The MD-80

Mon Aug 11, 2008 7:49 am

Hey all,

I have a question regarding the MD-80 and the winglets. These days it seems to be very popular to retrofit winglets on older airplanes. I was in CPH yesterday where there are a very big amount of MD-80. Of cause SAS still has alot of them but also other airliner is still using them.
So will the MD-80 ever gonna be retrofitted with winglets? If not then why?
I know they are pretty old but they are still a huge amount of MD.80 in use world wide.
Hope to hear from you  Smile
Best regards Emin
 
bmibaby737
Posts: 1474
Joined: Sun Jun 12, 2005 1:07 am

RE: Winglets On The MD-80

Mon Aug 11, 2008 8:06 am

Not much use, but... there were 'Fake' winglets applied to this aircraft back in 2006 for the Farnborough Air Show.


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VHHYI
Posts: 33
Joined: Fri Oct 26, 2007 12:52 pm

RE: Winglets On The MD-80

Mon Aug 11, 2008 11:24 am

Not necessarily fake, the company that developed the hushkit on that aircraft said they were developing one:
http://www.comtranlimited.com/media.html .. in 2006.
I guess they haven't convinced any operators to fit them.
This Porsche is like an Airbus;an Engineering marvel, but without passion - Jeremy Clarkson
 
L1011CPH
Topic Author
Posts: 4
Joined: Sun Mar 30, 2008 5:36 pm

RE: Winglets On The MD-80

Mon Aug 11, 2008 11:56 am

After reading the article I makes me thinking why it hasn´t been a succes? Saving 5% fuel when only retrofiting the winglets seemse to be alot. Specially when there are so many "mad dogs" still flying......
 
Dalmd88
Posts: 2447
Joined: Fri Jul 28, 2000 3:19 am

RE: Winglets On The MD-80

Mon Aug 11, 2008 1:19 pm

I don't see it happening. The cost of the winglets wouldn't likley be recouped over the inservice time of the airplane for the major current operators; AA, DL, and SAS. All three are beginning to remove them from service.
 
Alessandro
Posts: 4962
Joined: Wed Sep 12, 2001 3:13 am

RE: Winglets On The MD-80

Thu Aug 28, 2008 1:36 pm

Well, cargohaulers will use the MD-80 for a long time, so I think winglets can happen.
From New Yorqatar to Califarbia...
 
avioniker
Posts: 1099
Joined: Tue Jan 01, 2002 5:38 am

RE: Winglets On The MD-80

Thu Aug 28, 2008 4:28 pm

The wing on an MD80 is very flexable compared to the DC9 and would require an inordinate ammount of reinforcement in the fuselage to wing attach area and mid span area to support the additional wingtip lift generated by the winglets.
It all comes down to financial balance.
I don't see it happening either.
 Smile
One may educate the ignorance from the unknowing but stupid is forever. Boswell; ca: 1533
 
2H4
Posts: 7960
Joined: Tue Oct 19, 2004 11:11 pm

RE: Winglets On The MD-80

Thu Aug 28, 2008 4:32 pm



Quoting Alessandro (Reply 5):
Well, cargohaulers will use the MD-80 for a long time, so I think winglets can happen.

Are there presently any companies planning to offer cargo conversions to MD-80s?

2H4
Intentionally Left Blank
 
flynavy
Posts: 2177
Joined: Fri Mar 15, 2002 1:48 am

RE: Winglets On The MD-80

Fri Aug 29, 2008 4:25 am



Quoting Alessandro (Reply 5):
Well, cargohaulers will use the MD-80 for a long time, so I think winglets can happen.

Such as?
Change is: one airline, six continents!
 
Braniff747SP
Posts: 2572
Joined: Sun Oct 26, 2008 4:56 am

RE: Winglets On The MD-80

Mon Oct 19, 2009 2:48 am



Quoting DALMD88 (Reply 4):
AA, DL, and SAS. All thre

Well, AA has MD's leased till 2020...?
The 747 will always be the TRUE queen of the skies!
 
PGNCS
Posts: 2249
Joined: Sun Apr 15, 2007 5:07 am

RE: Winglets On The MD-80

Tue Oct 20, 2009 1:23 am



Quoting Alessandro (Reply 5):
Well, cargohaulers will use the MD-80 for a long time, so I think winglets can happen.

Like who? Don't get me wrong, I like the MD-80 just fine and have oodles of time in it, but it has a small cabin cross section so I am highly dubious about cargo conversions. I cannot imagine that on an older aircraft with relatively short average stage lengths that financially there is any incentive to design and install winglets.

Old plane + Short legs = No winglets
 
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DocLightning
Posts: 20147
Joined: Wed Nov 16, 2005 8:51 am

RE: Winglets On The MD-80

Tue Oct 20, 2009 7:37 am



Quoting PGNCS (Reply 10):
I cannot imagine that on an older aircraft with relatively short average stage lengths that financially there is any incentive to design and install winglets.

But WN is putting them on 733s. Anyway, they can offer a noise reduction because they reduce needed takeoff power. At least the 737's API ones do.
-Doc Lightning-

"The sky calls to us. If we do not destroy ourselves, we will one day venture to the stars."
-Carl Sagan
 
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Starlionblue
Posts: 17208
Joined: Fri Feb 27, 2004 9:54 pm

RE: Winglets On The MD-80

Tue Oct 20, 2009 8:04 am



Quoting DocLightning (Reply 11):
they can offer a noise reduction because they reduce needed takeoff power

Or increase climb rate and thus decrease noise heard on the ground.
"There are no stupid questions, but there are a lot of inquisitive idiots." - John Ringo

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