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-   -   SB 18-02-02 Potential cracking in the horizontal stabilator front spar (https://vansairforce.net/community/showthread.php?t=157839)

Piper J3 05-19-2018 02:07 PM

Not a patch. Patches are for bicycle tires. Aircraft don't do "patches". Correct term is doubler. Look at the bottom of your fuselage and you will see a number of doubler plates in high stress locations. Doublers are used to distribute load safely into the surrounding skin...

joedallas 05-19-2018 02:59 PM

This is Silly
 
http://hhh.gavilan.edu/hspenner/iLea...uralRepair.pdf

See page 140


The doubler is not a patch there in no damage under it.

It is just a term

My View It is a Patch





Quote:

Originally Posted by Piper J3 (Post 1261087)
Not a patch. Patches are for bicycle tires. Aircraft don't do "patches". Correct term is doubler. Look at the bottom of your fuselage and you will see a number of doubler plates in high stress locations. Doublers are used to distribute load safely into the surrounding skin...


Piper J3 05-19-2018 03:06 PM

I doubt if I'd do a "wikiHow" even (with pictures) for aircraft repair, but maybe some people would...


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