Great Planes F4 Phantom - GPMA0440 - Manual (Page 19)

5. Check the fit of the aileron torque rods in the slot at
the front of the center TE plate. Position the plates over the
wing plan. Mark and cut notches in the 3/8" center plate, to
allow the torque rods to pivot. Test fit the center TE plates
on the TE of the wing. Sand an angle at the joint between
the two plates so that the plates align with the wing.
10. Give the wing an overall rough sanding to blend the
sheeting and cap strips together.
11. Use 30-minute epoxy to glue the die-cut 1/16"
petroleum jelly to the exposed wire. Use 6-minute epoxy
to glue the torque rod tubes in the slot at the front of the
center TE plates. Before the epoxy cures, glue the center
TE plates to the TE of the wing with the torque rods
centered on the TE of the wing.
6. Roughen both torque rod tubes and apply a dab of
7. Extend the torque rod exit slots into the TE of the wing.
8. Trim and sand the center TE plate flush with the top
plywood wing bolt plate to the bottom of the wing, flush with
the aft end and sides of the center TE plate. Use clamps or
weight to hold the bolt plate tight against the wing.
center of the wing. We prefer to adhere the cloth with thin
CA to save weight, but resin or thinned epoxy will work well.
Read the following Expert Tip on applying fiberglass cloth.
and bottom TE sheeting.
12. Apply 2" wide fiberglass cloth to the top and bottom
9. Use the die-cut 1/8" plywood wing LE gauge to sand
the LE to shape. The gauge is held against the LE parallel
to the ribs. Note that the gauge has a root and a tip shape.
Applying Fiberglass Cloth
A. Center one end of the fiberglass cloth on the LE of the
wing. Apply several drops of thin CA to hold the cloth
in place.
B. Roll the loose end on a pencil. Use the pencil as a
handle to stretch the cloth over the wing toward the TE.
Apply a few drops of thin CA to hold the cloth tightly
in position.
C. Make a squeegee by wrapping a 2" wide piece of stiff
cardboard with a plastic sandwich bag or similar material.
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