ED Decision 2003/13/RM
For the wing the interactive effects between the winglets and the wing should be taken into account, as there are:
(1) Changes in wing lift distribution:
(2) Additional bending and torsion moments at the attachment point of the winglet due to aerodynamic and mass loads on the winglet;
(3) Effects of inertia; and
(4) Effects of drag on wing torsion.
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