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A380 Winglets  
User currently offlineAerlingusa330 From United States of America, joined Dec 2000, 396 posts, RR: 0
Posted (11 years 10 months 3 weeks 1 day 2 hours ago) and read 3094 times:

Does anyone know why Airbus chose to go with the A320 family style winglets on the A380 instead of the A330/A340 style?

Shamrock 136 heavy cleared for takeoff runway niner.
6 replies: All unread, jump to last
User currently offlineAirPortugal310 From United States of America, joined Apr 2004, 4040 posts, RR: 2
Reply 1, posted (11 years 10 months 3 weeks 1 day 1 hour ago) and read 3030 times:

Good question AerLingus. I like how Airbus, at least on the A310 and A300 possibly, called then wingtip fences.

Classy sounding words!


I sell airplanes and airplane accessories
User currently offlineJeffDCA From , joined Dec 1969, posts, RR:
Reply 2, posted (11 years 10 months 3 weeks 1 day 1 hour ago) and read 2972 times:

Airbus will have done a whole load of wind tunnel tests with each type of winglet configuration, maybe even some new, not before seen designs. The A320 style winglets obviously came out most efficent for the A380 wing, and thus were chosen to be the type fitted.



User currently offlineAl319 From United States of America, joined Jun 1999, 81 posts, RR: 0
Reply 3, posted (11 years 10 months 3 weeks 1 day ago) and read 2894 times:

Is there any paticular reason, Airbus doesnt utilize blended winglets or raked wingtips?

— Al

“atom celled…jet propelled”
User currently offlineGigneil From United States of America, joined Nov 2002, 16347 posts, RR: 79
Reply 4, posted (11 years 10 months 3 weeks 1 day ago) and read 2863 times:

Wingtip fences are relatively small devices just to cut a little bit of wingtip drag.

A well designed wing does not need a full winglet, which is why the 777 never had one until a little more lift was needed for the extremely-high-MTOW versions. Same with the 767, only the heavy -400ER needs the extra help.

The full winglets were added to the 330 and 340 to help the 340 get off the ground after the SuperFan was cancelled.

Wingtip fences aren't very heavy. Winglets are.


User currently offlineStarlionblue From Greenland, joined Feb 2004, 17668 posts, RR: 65
Reply 5, posted (11 years 10 months 3 weeks 1 day ago) and read 2812 times:

Raked wingtips increase span. The airports put their foot down at 80m span (and 80m length) The A380 has a 79.8m span so raked wingtips would have been unacceptable for gate and taxiway clearance.

"There are no stupid questions, but there are a lot of inquisitive idiots."
User currently offlineSandiaman From United States of America, joined Nov 2003, 88 posts, RR: 0
Reply 6, posted (11 years 10 months 3 weeks 22 hours ago) and read 2779 times:

Are there any patent issues with wingtip treatments? Specifically, I was wondering if the raked wingtip is protected by a Boeing patent.

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