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Winglets On The MD-80  
User currently offlineL1011CPH From Denmark, joined Mar 2008, 28 posts, RR: 0
Posted (6 years 2 months 2 weeks 2 days 17 hours ago) and read 7962 times:

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

12 replies: All unread, jump to last
 
User currently offlineBmiBaby737 From United Kingdom, joined Jun 2005, 1817 posts, RR: 9
Reply 1, posted (6 years 2 months 2 weeks 2 days 17 hours ago) and read 7933 times:

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


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User currently offlineVHHYI From Australia, joined Oct 2007, 97 posts, RR: 0
Reply 2, posted (6 years 2 months 2 weeks 2 days 13 hours ago) and read 7688 times:

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
User currently offlineL1011CPH From Denmark, joined Mar 2008, 28 posts, RR: 0
Reply 3, posted (6 years 2 months 2 weeks 2 days 13 hours ago) and read 7601 times:

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......

User currently offlineDALMD88 From United States of America, joined Jul 2000, 2575 posts, RR: 14
Reply 4, posted (6 years 2 months 2 weeks 2 days 11 hours ago) and read 7533 times:

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.

User currently offlineAlessandro From , joined Dec 1969, posts, RR:
Reply 5, posted (6 years 1 month 4 weeks 1 day 11 hours ago) and read 6939 times:

Well, cargohaulers will use the MD-80 for a long time, so I think winglets can happen.

User currently offlineAvioniker From United States of America, joined Dec 2001, 1109 posts, RR: 11
Reply 6, posted (6 years 1 month 4 weeks 1 day 8 hours ago) and read 6900 times:

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
User currently offline2H4 From United States of America, joined Oct 2004, 8955 posts, RR: 60
Reply 7, posted (6 years 1 month 4 weeks 1 day 8 hours ago) and read 6897 times:
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DATABASE EDITOR



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
User currently offlineFlynavy From , joined Dec 1969, posts, RR:
Reply 8, posted (6 years 1 month 4 weeks 20 hours ago) and read 6766 times:



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

Such as?


User currently offlineBraniff747SP From United States of America, joined exactly 6 years ago today! , 2997 posts, RR: 1
Reply 9, posted (5 years 1 week 22 hours ago) and read 5654 times:



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!
User currently offlinePGNCS From United States of America, joined Apr 2007, 2834 posts, RR: 45
Reply 10, posted (5 years 6 days 23 hours ago) and read 5489 times:



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


User currently offlineDocLightning From United States of America, joined Nov 2005, 19954 posts, RR: 59
Reply 11, posted (5 years 6 days 17 hours ago) and read 5428 times:



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.


User currently offlineStarlionblue From Greenland, joined Feb 2004, 17068 posts, RR: 66
Reply 12, posted (5 years 6 days 17 hours ago) and read 5425 times:



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."
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