UPS Pilot
Topic Author
Posts: 831
Joined: Tue May 18, 1999 1:17 pm

A380 Wings

Wed Jan 19, 2005 5:31 am

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
 
pilot kaz
Posts: 4591
Joined: Tue Apr 17, 2001 9:07 am

RE: A380 Wings

Wed Jan 19, 2005 5:34 am

-
 
AirBuffalo
Posts: 83
Joined: Mon Jan 05, 2004 1:20 pm

RE: A380 Wings

Wed Jan 19, 2005 7:24 am


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
 
flyabunch
Posts: 444
Joined: Fri Nov 05, 2004 1:42 am

RE: A380 Wings

Wed Jan 19, 2005 7:34 am

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
 
jfkaua
Posts: 972
Joined: Tue Aug 31, 2004 7:42 am

RE: A380 Wings

Wed Jan 19, 2005 7:38 am

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..
 
EGGD
Posts: 11880
Joined: Sat Feb 24, 2001 12:01 am

RE: A380 Wings

Wed Jan 19, 2005 7:42 am

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.
 
jfkaua
Posts: 972
Joined: Tue Aug 31, 2004 7:42 am

RE: A380 Wings

Wed Jan 19, 2005 7:42 am

on the contrary the T7 seems to have a very rigid wing..
 
Sjoerd
Posts: 350
Joined: Thu Aug 14, 2003 10:47 pm

RE: A380 Wings

Wed Jan 19, 2005 7:51 am

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
 
ulfinator
Posts: 290
Joined: Wed Mar 03, 2004 5:35 am

RE: A380 Wings

Wed Jan 19, 2005 7:54 am

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
 
MakeMinesLAX
Posts: 452
Joined: Thu Dec 18, 2003 4:22 am

RE: A380 Wings

Wed Jan 19, 2005 9:22 am

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


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Photo © Tzewei Pang
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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.
 
USairways16BWI
Posts: 921
Joined: Tue May 11, 2004 4:58 am

RE: A380 Wings

Wed Jan 19, 2005 9:44 am

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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