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Structural Seminar - Boeing  
User currently offlineHAWK21M From India, joined Jan 2001, 31667 posts, RR: 56
Posted (7 years 9 months 2 weeks 2 days 11 hours ago) and read 2596 times:

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


Think of the brighter side!
6 replies: All unread, jump to last
 
User currently offlineSfomb67 From United States of America, joined Dec 2005, 417 posts, RR: 0
Reply 1, posted (7 years 9 months 20 hours ago) and read 2430 times:

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
User currently offlineHAWK21M From India, joined Jan 2001, 31667 posts, RR: 56
Reply 2, posted (7 years 9 months 6 hours ago) and read 2389 times:

Quoting Sfomb67 (Reply 1):

Considering the Repair time Involved.I wonder if All Composite Aircraft has any advantages.
regds
MEL



Think of the brighter side!
User currently offlineBlatantEcho From United States of America, joined Sep 2000, 1903 posts, RR: 1
Reply 3, posted (7 years 9 months 5 hours ago) and read 2386 times:

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.



They're not handing trophies out today
User currently offlineHAWK21M From India, joined Jan 2001, 31667 posts, RR: 56
Reply 4, posted (7 years 8 months 4 weeks 1 day 22 hours ago) and read 2348 times:

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



Think of the brighter side!
User currently offlineMiamiair From , joined Dec 1969, posts, RR:
Reply 5, posted (7 years 8 months 4 weeks 1 day ago) and read 2304 times:

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.


User currently offlineHAWK21M From India, joined Jan 2001, 31667 posts, RR: 56
Reply 6, posted (7 years 8 months 4 weeks 15 hours ago) and read 2269 times:

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.
regds
MEL



Think of the brighter side!
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