Great Planes Super Decathlon 40 Kit - GPMA0185 - Manual (Page 16)

There should be no hinge gap!
Therefore, if you are using "pinned" hinges, you must
cut away balsa to make room for the center portion of the
hinge.
NOTE: Now is a good time to finish the wing tips. Tape
the ailerons on in the neutral position, and sand the wing
tips to blend with the ailerons.
INSTALL WING BOLT PLATE
D 1. Mark a centerline on the 1/16" x 3-1/2" x 1 -1/2" ply
wing bolt plate.
D 2. Use a sanding block to "feather'' three edges of the
wing bolt plate, leaving the TE square. Doing so will make
it easier to cover, and will blend more smoothly with the
wing.
TEMPORARILY INSTALL WING DOWELS
(Do not glue)
D 1. Use a sanding block to custom fit the die-cut 1/8" ply
wing dowel plate to the front of the dihedral brace, sanding
as necessary to blend with the top and bottom of the wing.
D 2. Securely tape the dowel plate in place (it must not
move while drilling), then drill 1/4" holes through the dihe-
dral braces, using the dowel plate holes as a drill guide. The
drill must extend at least 7/8" into the wing to penetrate the
front and rear dihedral braces.
D 3. Sand one end of each wing dowel to a rounded or
pointed shape. This is the end that will be inserted. Do not
sand the other end at this time.
D 3. Position the wing bolt plate on the top of the wing,
and accurately line it up with the wing TE and centerline.
Glue it in place.
D 4. Sand the wing bolt plate flush with the wing TE.
INSTALL WING STRUT PLATES
D 4. Trial fit the dowels into the dowel holes, and trial fit
the dowel plate over the dowels. If the dowels fit too tightly,
you may enlarge the holes slightly using a round file, or you
may sand the dowels down slightly. Do not glue the dowels
or dowel plate in place at this time.
D 1. Glue the die-cut 1/8" ply wing strut plates in place
on the BOTTOM of the wing in the locations shown on the
plan. The front plates are glued to the spar and the rib, and are
flush with the spar. The rear plates are glued to the rib, TE and
TE sheeting.
D 2. Glue scraps of 3/32" balsa to the front plates, and
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