Great Planes Profile 38 - GPMA0487 - Manual (Page 13)

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3. From a second 1/16" x 3" x 30" [1.6mm x 76mm x
762mm] balsa sheet, make a trailing edge sheet to fit from
rib W-1 to W-3. Cut the sheet 2-1/8" [54mm] wide. Glue the
sheet to the trailing edge strip and the top of the ribs.
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4. Remove the wing panel from your building board.
Check all the glue joints. Pay special attention to the joint
between the shear web and the main spars. The shear web
must be securely glued to the main spar.
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5. Trim the sheeting flush with rib W-1 and the sub-
leading edge.
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6. Use epoxy to glue the 3/4" x 3/4" x 3/4" [19mm x
19mm x 19mm] hardwood landing gear torque block to
the landing gear rail and rib W-2.
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7. Return to step 2 and build the right wing panel.
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1. Use epoxy to glue the two die-cut 1/16" [1.6mm] plywood
wing joiners together, aligning the joiners at the center.
Before the epoxy hardens, wipe off any excess with a paper
towel dampened with denatured alcohol.
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2. Assemble and glue the two die-cut 3-ply R7A and one
R1B rib jigs.
Join the Wing Panels
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