ample glue to coat the wing box where the joiner goes into
it) and apply epoxy to both wing ribs.
❏ ❏
4. Hold the wing panel and the inner wing panel
together with masking tape until the glue fully cures. Any
excess epoxy that squeezes out of the wing joint can be
cleaned away with rubbing alcohol as long as the glue has
not cured.
❏ ❏
5. Locate the right aileron, flap and inner flap. It is
easy to determine the right control surfaces from the left by
matching the covering on the top of the wing with the
covering on the top of the control surfaces.
❏ ❏
6. On the leading edge of the aileron, flap and inner
flap are pre-drilled holes for the hinges. Cut the covering
away over the three holes in the leading edge of the aileron,
three holes in the leading edge of the flap and two holes in
the leading edge of the inner flap.
❏ ❏
7. Test fit the hinges into each of the holes. Make note
that when the hinges are properly installed the bottom of the
hinge plate will face the top of the control surface.
❏ ❏
8. Apply a small drop of oil or a dab of petroleum jelly
onto each of the hinge joints. This will prevent the glue from
getting into the hinge joint when installing the hinges.
❏ ❏
9. After each hinge has been lubricated, glue each
hinge into the pre-drilled holes in the aileron and both flaps
with 6-minute epoxy. Be sure that each hinge has the plate
facing the top of the control surface as shown in the above
photograph of the aileron.
❏ ❏
10. Before mounting the control surfaces to the surface
of the wing it is important to understand the positioning of
the hinges to the wing. When mounted properly the aileron
and flap are below the trailing edge of the wing and the
hinge line should be even with the trailing edge of the wing.
Study the illustration to be sure you understand exactly how
they will be mounted.
❏ ❏
11. Begin the installation of the control surface with the
inner flap. When it is installed it will be positioned as shown
in the photograph. Do not install the inner flap yet. Reference
the photograph to determine which end of your inner flap is
the outboard end.
7
