One more coat of epoxy primer on the tips. Even after this I found a few pin holes!
Getting ready to trace the foam rib to close out the horizontal stabilizer tip:
Rib after cutting and sanding a little:
Ready to fiberglass:
I decided to add some aluminum strips to the HS tips due to the edge distance on the screw holes:
Empennage fairing combined with the metal access panel looks great:
