Carl Goldberg GPMA0960 Gentle Lady - Manual (Page 6)

2. Place the plan on a building board or other flat surface. Working
over the
RIGHT INBOARD PANEL section of plan, pin inboard leading and
trailing edges (L.E. & T.E.) in place. Align notches in T.E. with
those shown on plan. Cut two pieces of bottom sheeting from 1/16”
x 2-1/2” x24” balsa. Then fit and trim one piece from 1/16” x3”
x24” balsa.
Assemble sheeting and glue to L.E. and T.E.
Glue ribs 6 and 7 to L. E. and T. E.
Position 1/8” ply spar brace in front slots, but DO NOT GLUE AT
THIS TIME.
3 Continuing to work on a flat surface, position and glue
remaining ribs 2 through 8.
Position 1/16” die-cut balsa spacers in rib slots, and glue to
bottom sheeting per sketch.
4. Sand dihedral angle in one end of bass wood main and rear
spars, following angle indicated on plan.
Insert spars through ribs, with dihedral angle at wing center
joint. Use a flat block to sand spar ends flush with the
L.E. and T.E. at sheeted end.
Glue spars to ribs 5,6,7 and 8 Only.
6
Wing Construction
(13 steps)
Wing Terms Defined
Dihedral-
The upward bend of the wings, which usually starts at wing center.
Polyhedral-
Additional dihedral at the wing tips, often used with glider wings.
1. Collect the items needed to construct the WING. They include:
(2) D/C Sheet 6001 (5/64” x3” x24”) PT.# 3450 (2) Tri-strips (5/16” x5/16” x4”) PT# 4876
Wing Rib (2) Inboard T.E. (L) PT# 4688
(2) D/C Sheet 6002 (5/64” x3” x24”) PT# 3451 (2) Outboard T.E. (S) PT# 4689
Wing Ribs (2) Inboard L.E. (L) PT#4690
(1) D/C Sheet 6005 (1/16” x3” x24”) PT# 3454 (2) Outboard L.E. (S) PT#4691
Includes: Double Spar Spacers (2) Inboard Main Spar (1/4” x7/16” x20-3/4”)
(1) D/C Sheet 6008 (1/16”Ply x 2-7/16” x 15-3/16”) PT# 3457 (Bass wood) PT#4692
Includes:Wing Joiners (2) Inboard Rear Spar (1/8” x1/4” x20-3/4”
(1) D/C Sheet 6009 (1/8” Ply x2” x17”) PT# 3458 (Bass wood) PT# 4693
Includes: Wing Joiners and Braces (2) Outboard Main Spar
(1) Wing, Fuse Top & Bottom Sheeting PT# 4686 (1/4” x7/16” x17-5/8”) PT# 4694
(1/16” x3” x24”) (2) Outboard Rear Spar
(2) Wing Sheeting (1/16” x 2-1/2” x24”) PT#4687 1/8” x1/4” x 17-5/8”) PT# 4695
1/16” spacers