10. Insert the hinges into the slots and trial fit the ailerons in place on the
wing. Do not glue the hinges until after you have covered the wing.
Sand the outboard edge of the sub trailing edges and the ailerons to
match the foam wing tips.
Now skip to step 21 on page 8, WING ASSEMBLY, to join the wing
halves, then resume below after step 24 on page 9.
