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HAWK21M
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Structural Seminar - Boeing

Thu Nov 09, 2006 9:41 pm

Anyone out here have attended the Structural Seminar by Boeing Co.Mainly dealing with Structures of the B737NGs & Composite repairs on the B777 & B787.
From a video demo.A composite repair takes a long time.Is there any defined Man hrs for say a Dent in the MLG inner door of a B777.Would 8 man-hrs be a realistic number.
regds
MEL
I may not win often, but I damn well never lose!!! ;)
 
SFOMB67
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RE: Structural Seminar - Boeing

Sat Nov 25, 2006 12:28 pm

Most composite repairs I've seen done, on-wing, run 1-2 shifts. Again it depends what kind of repair, size, and what you run into during the process.
Not as easy as originally perceived
 
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HAWK21M
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RE: Structural Seminar - Boeing

Sun Nov 26, 2006 2:06 am

Quoting Sfomb67 (Reply 1):

Considering the Repair time Involved.I wonder if All Composite Aircraft has any advantages.
regds
MEL
I may not win often, but I damn well never lose!!! ;)
 
BlatantEcho
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RE: Structural Seminar - Boeing

Sun Nov 26, 2006 3:08 am

aside from being 40% lighter than alum, and (if built in a simialar fashion) much stronger?

yeah, can't see any benefits there.

also, composite repair is rather easy once you get the hang of it. Carbon repairs on a woven tube will be harder, but jeez, isn't fixing aluminum harder than fixing wood? Maybe we should go back to wood planes so they are easier to fix.
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HAWK21M
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RE: Structural Seminar - Boeing

Sun Nov 26, 2006 10:29 am

Quoting BlatantEcho (Reply 3):
Maybe we should go back to wood planes so they are easier to fix.

Not if Glue Joint Inspections are required  Smile
regds
MEL
I may not win often, but I damn well never lose!!! ;)
 
miamiair
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RE: Structural Seminar - Boeing

Mon Nov 27, 2006 8:23 am

There are many things to consider when attempting to repair a composite structure.

Quoting Sfomb67 (Reply 1):

Is pretty much on the money. We routinely repair composites on the line for 767 pax & cargo acft. The key is having the repair materials available. Is the repair 250F or 350F cure? Can we do an interim repair? Is the damage allowed in the SRM? Is there contamination inside the core?

Lots of variables, and a lot of time I think that conventional aluminum structure would be faster to repair.
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HAWK21M
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RE: Structural Seminar - Boeing

Mon Nov 27, 2006 5:52 pm

Quoting Miamiair (Reply 5):
Lots of variables, and a lot of time I think that conventional aluminum structure would be faster to repair

A Small damage to a composite involves a lengthy procedure is what Im reffering to.Unlike an Al alloy damage.
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MEL
I may not win often, but I damn well never lose!!! ;)

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