Park Scale Models AT-17 Bobcat Assembly Manual page 8

24. Install the rudder and elevator pushrod sleeves.
Use Dubro Lazer Pushrods or similar.
25. Fit and glue F12B in place.
26. Fit and glue FS4 to F6-F10. Glue two pieces of
3/16" sq. balsa sticks into the notches in the
bottom of F6-F10 and also to the fuselage sides.
27. Glue two pieces of 3/16" sq. balsa sticks into the
notches in the top of F4-F10 and also to the
fuselage sides.
FS4