Great Planes Fun One 40 - GPMA0490 - Manual (Page 19)

cures. Make sure the spars are precisely lined up with
each other.
trail ing edges. The top of the dowel aligner should he flush
with the top of the trailing edges. Sand or file a round
notch in each trailing edge where the dowel aligner notches
are as shown in the photo.
D 3. Trial fit the 1/8" plywood wing joiner (FUN 1 Wl 3)
in place between the spars. It should fit between the spars
without protruding past the edges of the spars. Sand it if
needed to achieve a good fit without pushing the spars
apart. Securely glue it in place with epoxy but be careful
not to get any glue on the front or back of the spars.
D 4. Trial fit the 1/32" plywood dihedral braces
(FUN1W06) in place. They easily should fit between the
ribs and should not extend past the outer edges of the spars.
Hold or clamp them tightly against the spar while gluing
them in place with epoxy.
D 6. Glue two 1/8" die-cut balsa W1C ribs
(FLIN1W02) together making sure they are lined up with
each other.
D 5. Glue the 1/8" plywood die-cut dowel aligner
(FUN1FOS) to the back of the trailing edge (If you are
going to use one aileron servo just tack glue the aligner
in place as it will be removed later). Position it so the
embossed line is centered with me joint between the two
D 7. Gl ue a 1/8" ply die-cut W 1 B rib (FUN1 WO 1) to
one side of the W 1 C ribs and glue a 1/8" ply die-cut W ID
rib (FUN 1 W01) to the other side of the W 1 C ribs. Line
these ribs up so that all of their trailing edges are even and
sand off the extra balsa around the dowel hole flush with
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