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4
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Position the upper and lower spar caps so that they line up with the notches in the ribs. Ensure
that the end of the spar with the V shape is towards the center of the wing, that everything is tight,
that the ribs fit fully into the spars and that the vertical spar is touching the cap spars. Once
everything is aligned, flow some thin CA into all the joints.
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Position the 1/8” trailing edge so that it is flush with the bottom of the ribs and that it is pushed as
far forward as possible. The end that is shaped like a V goes towards the center of the wing. Glue
with thin CA.
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We will now glue the two wing halves together. Position the spars and the trailing edge carefully
together and glue with thin CA.
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Glue the two 1/8” rib reinforcements to the inside of the outermost ribs as shown.
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Measure and cut the 1/8” hardwood leading edge dowel so that it is flush with the outer edge of
the outermost rib and only goes halfway through the gap created between the innermost ribs. Glue
in place with thin CA. Sand the front of the dowels where they join together. You will have a
small length of dowel left over. Hang on to it. It will be used as a finger rest for throwing the
plane.