Great Planes T-Craft 20 Kit - GPMA0155 - Manual (Page 14)

shown on the plan. It is not necessary for the shear webs to
be glued to the ribs. Make sure they are glued securely to
the wing spars. Do not install shear webs in the rib bays
between ribs W-1 and W-3.
❏ ❏
19. Use the dihedral gauge to mark the TE at the wing
center. Trim the TE along the line.
❏ ❏
20. Remove the wing from your building board and
install the second piece of 1/16" x 1/2" TE sheet on the
bottom of the wing. Note: The TE sheet will need to be bent
to meet rib W-6.
❏
21. Return to step 4 and build the left wing panel.
❏
1. Draw a centerline on the two die-cut 1/8" plywood
center wing joiners and the two die-cut 1/16" plywood
outer wing joiners.
❏
2. Use epoxy to glue the two center wing joiners together,
aligning the centerlines and the edges.
❏
3. Assemble the die-cut 1/8" plywood wing tip crutch and
crutch feet. Do not glue the feet to the tip crutch.
❏
4. Trim the jig tabs off the bottom of the double W-4 ribs
on the left wing panel. Sand the bottom of the ribs, TE sheet
and aileron bay TE flush on the left wing panel.
❏
5. Position the left wing panel on your flat building board.
Place the wing tip crutch under the double W-4 ribs. The
“TE” on the tip crutch should be toward the TE and the
crutch should be flush with the TE.
❏
6. Insert the center wing joiners between the main spars,
the outer wing joiners on the front and back of the main wing
Join the Wing Panels
14