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Model Airways Fokker Eindecker E-IV Instruction Manual page 41

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Fit the formed Wing Tip in place at the end of the forward Spar and the Rib WR5 and if the fit is good,
or adjust if needed then glue the forward end of the Wing Tip to the end of the Leading Edge flush to
the bottom edge. Next glue the Rib WR5, the Spar end and the Rear Spar that was angle cut to fit
flush. Allow the glue to set and now with the Wing on the Building Pattern for reference cut and fit the
rear end of the Wing Tip to the Trailing Edge. With a sharp blade taper cut the Rear Spar to blend
from Rib WR5 to the Wing Tip then sand to blend and smooth the Ribs to the Trailing Edge.
Add the twelve (12) Leading Edge Stiffeners centered between the wing Ribs with the back edge of
the Rib Caps aligned with the back edge of the Forward Spar as seen in the pictures on the next
page. Cut the front extensions off flush with the front edge of the Leading Edge. Cut an angled
chamfer on each of the Stiffeners front edge. (On the underside of the wing add Rib Cap extensions
from the edge to the Ribs to the front edge of the Leading Edge and cut flush. This is only if
necessary if extensions were cut inadvertently). Once the glue has set sand the Cap joints smooth
to each other, then starting with the lower edge of the Leading Edge sand using a flat sanding board a
small radius the length of the Leading Edge blending to the Wing Tip. On the top of the Leading Edge
sand a much larger radius blending the Rib Caps into the rounded Leading Edge. NOTE: Take care
not to sand through the Rib Caps. Now do a final smooth sanding of the entire top surface of the
Wing. Sanding diagonally across the ribs will provide a better result of wing curvature.
41

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