Carl Goldberg GBGA0067 - Manual (Page 15)

‡ Again using the 5/64” scrap spacer, locate and
glue the aileron rib to the trailing edge sheet-
ing.
19. ‡ Using Rib #10 as a guide, cut through the T.E.
sheeting along the wing center side of the rib.
20. ‡ With the end flush with the centerline of the
wing, insert the TOP MAIN SPAR into the rib
notches and glue at each rib.
‡ Again with the spar flush with the centerline,
insert the FORWARD AFT SPAR and glue in
place.
21. ‡ Trim the rear aft spar to fit and glue to the ribs.
22. ‡ Position the SHAPED LEADING EDGE on the
wing centerline and then glue the L.E. to each
rib.
23. ‡ Using fine grit sandpaper, flat sand the tops of
the ribs flush with the aft spars.
15
WING CENTERLINE
1/8 x 1/4 x36" BALSA
REAR AFT SPAR
TRIM
STARTING HERE
FORWARD AFT SPAR
MAIN SPAR
AILERON RIB
5/64" SCRAP