The wings won’t fall off (Boeing 777 test video)

A common concern of this site’s visitors is damage to the aircraft in severe turbulence.

This video shows stress testing of the Boeing 777 aircraft wings. The wing ultimately fails at 154% of design load, forces that probably will never be encountered in flight.

Direct link to video here.

Written by tb_neg on January 15th, 2007 with 3 comments.
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3 comments

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Jon
#1. January 16th, 2007, at 7:41 PM.

You can tell by the look on some of their faces that the experience there is quite similar as to watching someone pop a baloon!

I was on the edge of my seat (especially because I had the sound off at work)!

tb_neg
#2. January 16th, 2007, at 9:47 PM.

The 777 program was big money, they had a lot riding on that test, and they passed, wonderfully. The A380 did not test as well, as seen here: http://blog.seattlepi.nwsource.com/aerospace/archives/101571.asp

tb_neg
#3. January 16th, 2007, at 9:54 PM.

In order for an aircraft to be certified here in the U.S., it must withstand the maximum “g” loading specified for that category, plus a 50% overload factor. For example, in the Normal category, the aircraft must withstand a positive load of 3.8g and a negative load of -1.52g at maximum gross weight. It must also be able to withstand an additional 50% of those loads without failing.

from
http://www.rapp.org/archives/2006/02/a380_wing_failure/

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