Great Planes Old Timer 40 Kit - GPMA0495 - Manual (Page 20)

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13. Using a hobby knife, carefully cut a slot in the root
rib W4 and rib W5 to allow the die-cut 1/8" [3.2mm] plywood
wing joiner to be inserted.
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14. Glue the 3-piece die-cut 1/8" [3.2mm] balsa wing
tip together.
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15. Glue the wing tip perpendicular to rib W10, the LE
and the TE. The wing tip should be centered on the LE and
flush with the top of the TE.
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16. From the 1/8" x 5/8" x 30" [3.2mm x 15.9mm x
762mm] balsa stick, cut and glue wing tip braces to the top
of the wing tip as shown on the plan.
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17. Use a Power Plane and sanding bar to blend the
LE, TE and wing tip braces into the wing tip. Round the edge
of the wing tip.
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18. Return to step 1, “Build The Left Wing Panel,” and
build the right wing panel.
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1. Check the fit of the wing joiners in each wing panel.
The longer end of each wing joiner fits in the outer wing
panel. Test fit the outer wing panels to the center wing
panel. If there is a gap between the wing panels, carefully
sand the root ribs until the panels fit tight.
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2. Read this step completely before mixing any epoxy.
For ease of construction, we are going to glue the right outer
Join the Wing Panels
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