.
h.
Glue ribs WB to ribs WC and to the center section bottom and rear spars.
i.
Add 1/16"x1-1/2"x4" plywood to the bottom of the trailing edge of the center section. Do this without removing the wing
from the board.
j.
Add 1/8"x1/2" L. E. to the center section.
k.
Add center section 5/16" sq. top spar doublers. Epoxy to all ribs WA, WB, WC and to the 5/16" sq. top spar.
l.
When the glued joints are completely dry, remove the wing from the building board. Cut off the jig portions of the ribs. Trim
or sand the bottom rear corner of the 3/16"x3/8" rear spar flush with the bottom of the ribs.
m.
Trim and sand the L.E. to shape.
n.
Add scrap T.E. stock to fill in around wing bolt holes.
o.
Install all 1/16" L.E. and center section sheeting to the top and bottom of the entire wing. Leave off the top planking directly
over the areas where the torque rods will be installed.
p.
Sand the front of the L.E. with a sanding block. Add the 3/16"x1/2" L.E. cap and carve to shape. Finish with a sanding
block.
q.
Add the 1/16"x7/8" strips to the top of the wing at the location shown.
r.
Glue the aileron end ribs WF in place from the bottom of the wing. Also glue in
the WG ribs.
s.
Install 3/32" gussets against the WF
ribs.
Glen Sig's Smith Miniplane and the first prototype model at Sig Field.
t.
Add 1/16"x7/8" strips to the bottom of
the wing.
u.
Cut and glue 1/16"x3/16" cap strips on
the top and bottom of the entire wing.
v.
Assemble and shape the bottom wing
tips in the same manner as you did the
top.
w.
Install 1/8"x3/8"x3/4" plywood "N"-strut
mount plates flush with the top of the
wing at the locations shown on the plan.
x.
Sand the entire wing carefully with a
sanding block.
12.
Ailerons
(See illustration sequence on the plan.)
a.
Locate the rear spar under the 1/16" x 7/8" strips. Draw guide lines on both the top and bottom strips about 1/32" behind
this spar so that there is no danger of cutting into the spar in the next step.
b.
Cut through the planking strips on the guide lines with a sharp knife.