A380 wing snaps before design load limits..

[habubuaza]

Very interesting article. They talk about the wing failing at 7.4 meters. Correct me if I'm wrong but didn't the 747 wing get up to like 10 meters prior to structural failure?


http://www.flightinternational.com/Articles/2006/02/17/Navigation/177/204716/Airbus+A380+test+wing+breaks+just+below+ultimate+load.html

 

[PaulThomas]

They talk about the wing failing at 7.4 meters. Correct me if I'm wrong but didn't the 747 wing get up to like 10 meters prior to structural failure?

No they said the wing bent "7.4 meter" before it failed "between 1.45 and 1.5 times the limit load".

 

[mzaharis]

I wonder if EASA will buy off on the Finite Element Model analysis, or require them to build and break another wing?

 

[-Xavier-]

I wonder if EASA will buy off on the Finite Element Model analysis, or require them to build and break another wing?

The requirement is 1.5 X the normal operating limit which it failed before that point. I don't see how they won't have to re-design something in the wing.

 

[Hawkered]

I think that thing is going to cost them dearly! I wonder who is going to insure the hull loss, or the liability! No wonder no US carrier wants it.

 

[DC8 Flyer]

Typical, it's French, it surrendered before it was supposed to.

 

[100LL... Again!]

Ya beat me to the surrender comment.

If it ain't Boeing...

 

[CA1900]

Typical, it's French, it surrendered before it was supposed to.

Zing!

:beer:

 

[mzaharis]

The requirement is 1.5 X the normal operating limit which it failed before that point. I don't see how they won't have to re-design something in the wing.

Oh, definitely (shades of C-17 development, and its redesign after breaking at 1.4 times normal operating limit, IIRC). I was wondering if they were going to require another (expensive and time-consuming) static test element (another new wing that wasn't on the build schedule), or if EASA and FAA would accept that the finite element (computer) models are sufficiently accurate to ensure that the redesign is good enough.

 

[habubuaza]

No they said the wing bent "7.4 meter" before it failed "between 1.45 and 1.5 times the limit load".

Yes they did I stand corrected.