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Glue on the rib comb (B2) in the middle
Have the auxiliary spar (3×3×540) ready
ATTENTION! The rib crest has different angles at the ends. The smaller angle (2°) must point towards the fuselage.
There the ribs are also glued to the mounting holes for the wing connectors. The larger angle (7°) points towards the
outer wing.
Glue the ribs (A1), (A2), (A3), (4×A4), (2×A5) in the rib crest and auxiliary spar.