Fei Bau F 15-Eagle Assembly Manual page 10

Wings: : : : Wings Wings Wings
The same methods are adopted for the servos and linkages for the ailerons and
flaps. Keep in mind the position of the control horns; they have to be directly over
the hinge line. Make up extension leads for the aileron as they need to be longer.
Where possible I used rubber grommets to protect the servo wiring.