Sponsor Message:
Civil Aviation Forum
My Starred Topics | Profile | New Topic | Forum Index | Help | Search 
MD-80 Wings  
User currently offlineBruno From United States of America, joined Jan 2000, 853 posts, RR: 3
Posted (14 years 2 months 1 week 6 days 18 hours ago) and read 817 times:

What are those protusions on the under side of MD-80 wings for and why don't any other planes have them?


I support the women’s movement up and down!
5 replies: All unread, jump to last
 
User currently offlineUal747 From , joined Dec 1969, posts, RR:
Reply 1, posted (14 years 2 months 1 week 6 days 18 hours ago) and read 741 times:

Are you talking about forward or aft of the wing?

User currently offlineDoug From United States of America, joined Jul 1999, 848 posts, RR: 0
Reply 2, posted (14 years 2 months 1 week 6 days 18 hours ago) and read 736 times:

no idea


User currently offlineWingnut From United Kingdom, joined Jun 2005, 0 posts, RR: 0
Reply 3, posted (14 years 2 months 1 week 6 days 18 hours ago) and read 723 times:

They are fairings for the flap actuators and hinges

User currently offlineDash8 From New Zealand, joined Aug 2005, 1 posts, RR: 0
Reply 4, posted (14 years 2 months 1 week 6 days 17 hours ago) and read 716 times:

I think Bruno is referring to the protrusion under the leading edge mid-length.
thos are called wing fences, and you find the on many "older" wing designs, including the 727. The design is just a little different.
See, wing fences prevent spanwise (root to tip) airflow commonly found on all wings.
Spanwise flow of air causes drag at the tip of the wing. Think of it as a "misplaced" winglet.
I think it also served another function on swept wings, but I can't seem to put my finger on it. Maybe it'll come to me. Meanwhile anyone is free to remind me.

Sincerely,

Xander Koote


User currently offlineBuff From Australia, joined Mar 2007, 0 posts, RR: 1
Reply 5, posted (14 years 2 months 1 week 6 days 14 hours ago) and read 706 times:

Wing fences, although I couldn't see from the picture provided by Doug, can also serve the same purpose as vortex generators, i.e. boundary layer rejuvenation.

I think what Doug was asking about are the flap track actuator fairings.

It's nice to see some new e-faces on the forum!

Best Regards,

Buff


Top Of Page
Forum Index

This topic is archived and can not be replied to any more.

Printer friendly format

Similar topics:More similar topics...
DC-9/MD-80 Wings posted Tue Dec 21 1999 05:06:38 by Ilyushin96M
TWA Wings Of Pride MD-80 posted Mon Oct 13 2003 01:45:28 by Syncmaster
American MD-80 - Cone Vs. Screwdriver posted Mon Jun 1 2009 21:39:31 by NWADC9
AZ MD 80 At JNB posted Wed May 13 2009 00:30:10 by SA744
AA Starting MD-80 Phaseout posted Mon Apr 13 2009 11:24:54 by DingDong
AS MD 80 And Usaf 707 In Bucharest posted Sun Apr 12 2009 13:14:01 by Traindoc
NTSB Releases Cause Of AA MD-80 Fire posted Tue Apr 7 2009 12:37:46 by N471WN
Tail Cone Falls Off DL MD-80? posted Tue Mar 10 2009 07:03:10 by Evanbu
Man Opens Door, Deploys Slide On AA MD-80 At DFW posted Tue Mar 3 2009 13:03:43 by FrequentFlyKid
AA To Add Two Daily MD-80 DFW-PIT posted Tue Feb 17 2009 11:00:32 by Jdairceo