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A380 Wings  
User currently offlineUPS Pilot From United States of America, joined May 1999, 871 posts, RR: 3
Posted (9 years 10 months 1 week 6 days 17 hours ago) and read 3056 times:

Looking at the front on pictures of the Airbus A380, it appears they have alot of droop. Does anybody know if the wing tanks are loaded during the rool out. If they are not I wonder how much droop they will have if loaded.

Have a look see.

http://www.airbus.com/A380/Images/Reveal/a380exclusive.jpg

10 replies: All unread, jump to last
 
User currently offlinePilot kaz From , joined Dec 1969, posts, RR:
Reply 1, posted (9 years 10 months 1 week 6 days 17 hours ago) and read 3037 times:

Just activating the link  Big grin
http://www.airbus.com/A380/Images/Reveal/a380exclusive.jpg


User currently offlineAirBuffalo From United States of America, joined Jan 2004, 138 posts, RR: 0
Reply 2, posted (9 years 10 months 1 week 6 days 16 hours ago) and read 2819 times:


Could be partially distorted by the fisheye effect of the camera ... it appears that they used a wide angle lens.

Also, the wings seem to have a rather steep initial incline near the fuselage. That could be used as a neat design trick to get the maximum strength out of the minimum mass. If that is true, the wing would appear to be permanently flexed downward, as you noticed in the picture

BS


User currently offlineFlyabunch From United States of America, joined Nov 2004, 517 posts, RR: 4
Reply 3, posted (9 years 10 months 1 week 6 days 15 hours ago) and read 2779 times:

I think it is an illusion caused by the angle of the photo and the wide angle lens. I do not think the wings would be sagging before loading and I do not think they loaded them for the roll out. The key words here are "I think", only an opinion.

Mike


User currently offlineJfkaua From United States of America, joined Aug 2004, 1000 posts, RR: 3
Reply 4, posted (9 years 10 months 1 week 6 days 15 hours ago) and read 2749 times:

no they really are drooped.. i posted this a while back.. take a look..


I find it very intresting that the wings seem so more curved in multiple aspects then any other aircraft I have seen... I think it adds something to the aircraft..


User currently offlineEGGD From United Kingdom, joined Feb 2001, 12443 posts, RR: 34
Reply 5, posted (9 years 10 months 1 week 6 days 15 hours ago) and read 2724 times:

I don't think it is an illusion. I would hazard a guess that the wings are pretty much how they are represented in the picture, and i'm pretty sure most large new aircraft that have wings that look similar when unladen. You take a look next time when you're on a widebody airliner at the wings in flight, they will look kind of flat with quite a bit of flex in a concave shape. When you land, when the fuel tanks are empty the wing will look very similar to this, due to there being no forces of lift or the weight of fuel in the tanks to make them appear straighter. They are not drooping in the picture, they are bending upwards. With fuel in the tanks i'm sure they'll be more horizontal.

User currently offlineJfkaua From United States of America, joined Aug 2004, 1000 posts, RR: 3
Reply 6, posted (9 years 10 months 1 week 6 days 15 hours ago) and read 2720 times:

on the contrary the T7 seems to have a very rigid wing..


User currently offlineSjoerd From Belgium, joined Aug 2003, 361 posts, RR: 0
Reply 7, posted (9 years 10 months 1 week 6 days 15 hours ago) and read 2675 times:

They had to be to fit in the airports and still give enough lift. This was technologically challenging.


Flanders + Wallonnia + Brussels = the UNITED STATES of BELGIUM
User currently offlineUlfinator From United States of America, joined Mar 2004, 316 posts, RR: 0
Reply 8, posted (9 years 10 months 1 week 6 days 15 hours ago) and read 2655 times:

I would guess that part of the curve was designed in so that you keep the fueslage lower to the ground for loading and unloading but keep the engines far enough of the ground. Just a guess though

User currently offlineMakeMinesLax From United States of America, joined Dec 2003, 566 posts, RR: 0
Reply 9, posted (9 years 10 months 1 week 6 days 14 hours ago) and read 2537 times:

A bit reminiscent of the curve in DC-10 wing.


View Large View Medium
Click here for bigger photo!

Photo © Tzewei Pang
View Large View Medium
Click here for bigger photo!

Photo © Kyle Donagher



Correct me if I'm wrong, but wasn't this design due to some deficiency, e.g. stall/stability problems? I'm sure this has an effect on cruise speed.


User currently offlineUsairways16bwi From United States of America, joined May 2004, 1004 posts, RR: 4
Reply 10, posted (9 years 10 months 1 week 6 days 13 hours ago) and read 2482 times:

i wonder if the wings will flex as much as the 747, 777, 767, A330..etc. or maybe it will be like the DC-10 and have very low flex. a plane that size would be very awesome to see if the wings could flex over 20 feet like the 777 on take-off!!  Big thumbs up

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