Re: Questions about the DH Comet

Date:         17 Sep 97 02:49:24 
From: (Phil. G. Felton)
Organization: Princeton University
References:   1 2 3 4 5
Followups:    1 2 3
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In article <airliners.1997.2156@ohare.Chicago.COM>, (David Lesher) wrote:
> J& (Janet and John) writes:

> >>Any strength of materials textbook.....
> >You should say "any strength of materials textbook written since the
> >Comet crash investigations". Fatigue behaviour was not well known at the
> >time, and the Comet crashes aided the development of the science
> >immeasurably,
> By some measures, the entire field of fatigue behaviour started
> only a few years before, when the Allies tried to figure out why
> brand new Liberty Ships in the North Atlantic were suddenly
> cracking in half and sinking.

Recent research on the fate of the Titanic and her sister ship (the
Britannic?) seem to indicate that fatigue of welds were a factor in
the demise of those two ships.