20
10. Glue into place the root ribs E1. At this point install the torsional
strengthening wires as per the top wings.
11. Glue into place to the front spar and the leading edge the half ribs which
go between each of the main wing ribs.
12. Sheet with plywood the inboard ends of the wing panels as shown
on the plan. Hold in place with pins and clamps as the glue dries.
13. Insert the shaped blocks into the ailerons for the control horn mounts.
