Carl Goldberg GBGA0067 User Manual

Page 14

13. Using the wing-tip side of Rib #4 as a guide, cut

through the trailing edge sheeting.

14. Cut a 1/8 x 1/4” balsa aft spar to a 10-3/4” length

and butt one end against Rib #4.

Glue to the T.E. sheeting along the edge of the

rear line, as shown.

15. Using 5/64” scrap balsa as a spacer, glue an

AILERON RIB to the aft spar and the T.E. sheet.

16. From D/C sheet 6723, take an AILERON HORN

BACK-UP, marked “D” an glue it to the T.E.

sheeting, in line with the aft spar.

17. Using the long side of the rib spacing gauge,

locate ribs #5 through #9, gluing each of them to

the T.E. sheet.

NOTE: Make sure that the ribs are parallel to the

ribs on the plan, before gluing.

18. With the long side of the rib gauge, locate the

cut-off mark on the back of the aft spar, and cut.

Install Rib #10.

RIB #3

RIB #4

STARTING HERE

WING TIP

RIB SPACING GAUGE

AFT SPAR

5/64" SCRAP

CUT

AFT SPAR

10-3/4"