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Jeez!! I would really re-think the use of Micro for bonding ribs in place.
In fact, you might want to check with the factory on whether the bond will
be good enough. It's my understanding that Micro is NOT considered a
structural bond - and ribs certainly need such a bond - they react more
loads than just keeping the wing skins from oil-canning or providing
tankage. If I'm wrong, then my airplane is all of maybe one or two pounds
heavier than it needs to be. (I built prior to the introduction of the later
adhesives such as Hysol, etc. so my ribs are installed with epoxy-flox,
followed by the wet glass lay-ups at the rib-skin interfaces).

Dan Schaefer

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