HAWK21M From India, joined Jan 2001, 31679 posts, RR: 56 Posted (7 years 9 months 4 weeks 15 hours ago) and read 2604 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.
BlatantEcho From United States of America, joined Sep 2000, 1904 posts, RR: 1
Reply 3, posted (7 years 9 months 1 week 5 days 9 hours ago) and read 2394 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.
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.