I can only tell you what I did.
All are .020 except the bottom two that go back from the firewall are
.025. I think that is sufficient with my moved firewall but if doing it
again I'd use .032 . Mine were .020 but I removed and replaced those two
with .025. Any dents or deep scratches on those parts will likely result
in future problems.
For the top two behind the cabin, rather than replacing them I ran a
piece of stringer diagonally from the butterfly doubler (tied into those
rivets) to the rear inboard corner of the corner wrap. I figure that
will reduce the tendancy for the corner wrap to buckle there during a
hard landing. If I was building another airplane I'd use .025 for all
four rear corner wrap pieces I but did not remove mine that were already
installed.
I'm not aware of any problems with the two top .020 parts behind the
firewall.
Ken
jean.poirier@oxyportneuf.com wrote:
Hello
The modifiation table show on the #40: All 8 corner wraps ( 6 x fus-10 and 2 x fus-70 include with the kit) should be fus-70... the 2 rear top
corner already done with fus-10. should I change them? Should I try to fabricate fus-70 or make doubler out of .020" or if there is another
easier way to make those area stronger (if they really need it)?
Jean
Rebel 747R
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