Re: 747 wing flexibility

Date:         05 Oct 98 00:26:20 
From:         Joseph Edward Nemec <>
Organization: Massachusetts Institute of Technology
References:   1 2 3
Followups:    1 2
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Stephen Gilkes wrote:
> According to Karl Sabbach's excellent book "21st Century jet" the wings of
> the 777 were expected to snap at about 24 feet from the normal position.
> He doesn't mention in distance when the wings actually snapped but does
> state that the force involved was 154 percent of the maximum normal load.

IIRC the wings never snapped. The body of the plane caved in first.