OT - Being 787 issues, does this mean carbon composite has issues?

[Pete Lancashire]

Large dynamic CC assembles are still very hard to work with, and
don't behave well.

The general feeling around some of my friends in Seattle is Boeing
did not do what Boeing would have done in the past, extensive
testing vs today relying on CAE.

"The computer (program) said the thing was strong enough so it must
be".

-pete Son of former Arrow structural/mechanical engineer



> William Muriithi wrote:
>> Hi,
>>
>>  I thought this would be interesting to share, just in case someone
>> here has interest in airliner manufacturing. It seems the new
>> composite wings failed to hold 150% of the maximum operating load.
>> Now, my question is, is this under performance a design over sight or
>> does this imply carbon composite properties are not as solid as they
>> have been sold out to be?
>>
>> http://seattletimes.nwsource.com/html/boeingaerospace/2009565319_boeing30.html
>>
>
> I's suspect an engineering issue.  Carbon composites have been in use
> for many years, so a generic flaw is unlikely.
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