Carl Goldberg GBGA0059 - Manual (Page 8)

WING CONSTRUCTION
IMPORTANT: YOU WILL BE BUILDING A RIGHT AND THEN A LEFT
WING. FOLLOW THE STEPS CAREFULLY TO AVOID CONFUSION.
1. ‡ Collect the following items:
(2) D/C SHT. 4001 (5/64” Balsa) PT. #3601
Contains: WING RIBS
(2) D/C SHT. 4002 (5/64” Balsa) PT. #3602
Contains: WING RIBS
(1) D/C SHT. 4009 (1/8” Ply) PT. #3609
Contains: WING CENTER JOINERS
(2) D/C SHT. 4012 (1/16” Balsa) PT. #3612
Contains: WING SHEETING
(2) D/C SHT. 4013 (1/16” Balsa) PT. #3613
Contains: INBOARD PANEL
L.E. WING SHEETING
(2) D/C SHT. 4014 (1/8" Ply) PT. #3614
Contains: GAUGES & CLAMPS
(4) BALSA SHEET 1/16x3x12” PT. #4600
(2) INBOARD T.E.LONG PT. #4688
(2) OUTBOARD T.E.SHORT PT. #4689
(2) INBOARD L.E. LONG PT. #4690
(2) OUTBOARD L.E. SHORT PT. #4691
(2) INBOARD MAIN SPAR Bass PT. #4692
(2) OUTBOARD MAIN SPAR PT. #4694
(2) INBOARD REAR SPAR Bass PT. #4855
(2) OUTBOARD REAR SPAR balsa PT. #4874
(1) 3/4 X 38” NYLON FABRIC PT. #9524
(1) 1 x 6” ALUMINUM STRIP PT. #1390
2. ‡ Working over the RIGHT INBOARD PANEL of
the plan, place a 1/4” x 13/32” basswood spar
main spar so that the spar end is aligned with
the wing center on the plan.
NOTE: If building the second half of the wing, you
will be working over the LEFT INBOARD
PANEL. DO NOT BUILD TWO RIGHT WINGS!
‡ Hold the spar in place by cross-pinning
between the ribs at the circle locations shown
on the plan.
‡ Using no pins, position the rear spar on the
plan.
8
4. ‡ Position the wing leading edge (L.E.) in place
over the plan and pin.
‡ Secure the ends of both spars with pins, as
shown.
5. ‡ Remove the two #5 ribs nearest the wing cen-
ter.
‡ Position and glue all remaining #5 ribs, as
shown on the plan.
IMPORTANT! IF BUILDING THE LEFT WING, PRO-
CEED DIRECTLY TO STEP 10.
3. ‡ Align the notches in the wing trailing edge (T.E)
with those shown on the plan.
‡ Using no glue, position the four #5 ribs as
shown above. Hook each rib over the main
spar and then over the rear spar, as you go.
NOTCHED END
NO NOTCH
DO NOT GLUE THESE
RIBS AT THIS TIME