traindoc
Topic Author
Posts: 312
Joined: Thu Mar 06, 2008 11:35 am

Field Repairs To The 787

Sun Jul 01, 2012 3:56 pm

Ramp accidents happen on a regular basis, as chronicled here on A-net. The damage to aluminum skinned A/C is relatively straight forward: you cut out the damaged area and rivet in the replacement. Obviously, carbon fiber cannot be repaired this way. What are the options to repair "ramp rash" on the new 787?
 
migair54
Posts: 2269
Joined: Thu Jun 14, 2007 4:24 am

RE: Field Repairs To The 787

Sun Jul 01, 2012 4:05 pm

i´m sure the designer already adress this issue, and they have what is called "repair kits".

But obviously here someone will be much more specific and you made a great question...
 
tdscanuck
Posts: 8572
Joined: Wed Jan 11, 2006 7:25 am

RE: Field Repairs To The 787

Sun Jul 01, 2012 5:13 pm

Quoting traindoc (Thread starter):
The damage to aluminum skinned A/C is relatively straight forward: you cut out the damaged area and rivet in the replacement. Obviously, carbon fiber cannot be repaired this way

Correct, you can't rivet on carbon fiber. You cut out the damaged area and connect a replacement with non-expanding fasteners (Hi-Loks or similar). You can use aluminum (temporary), titanium, or new carbon.

Quoting traindoc (Thread starter):
What are the options to repair "ramp rash" on the new 787?

You can patch it the the same way you patch aluminum now. Or, if you want a cleaner repair, you do a scarf repair with a new layup. This is exactly the same repair that's used on nacelles today, which are almost exclusively FRP and have been for decades.

Tom.

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