Great Planes SlowPoke 15 Kit - GPMA0491 - Manual (Page 10)

❏ 3. Glue a die-cut 1/8" ply W1A to the die-cut 1/8" balsa
W1 rib. Glue the die-cut 1/16" balsa Sheeting Brace SB to
W1A. Glue the second W1A and the second sheeting
support to the other side of the W1 rib. Note: This rib
assembly is now referred to as W1.
❏ 4. Lay the wing plan on the building board. Hint: You may
cut the wing plan section from the plan. Don’t forget to cover
it with Great Planes Plan Protector.
❏ 5. Cut the two 1/4" x 3/8" x 24" balsa sticks to 21-3/16"
long, making two main spars. Pin the bottom main spar in
place over the plan. Note: The T-pins need to go into the
spar at an angle from the front so that they will not interfere
with the top spar or the shear webs.
❏ 6. Cut six 1/8" x 3/16" x 24" balsa sticks to 21-3/16" long,
making the auxiliary spars.
❏ 7. Postion three auxiliary spars over the plan. Note: Do
not pin them in place.
❏ 8. Making sure to keep the W3 ribs perpendicular to the
building board, position the ribs and glue them to the main
spar and the auxiliary spars.
❏ 9. Position and glue the W1 rib and the four W2 ribs in place.
❏ 10. Position and glue the 1/4" x 3/8" x 21-3/16" balsa top
main spar in the ribs.
❏ 11. Position and glue the 1/8" x 3/16" x 21-3/16" balsa top
auxiliary spars to the ribs.
❏ 12. From a 1/16" x 5/8" x 24" balsa sheet, cut two 10-
7/16" long pieces, making two sub leading edges.
❏ 13. Position and glue both 10-7/16" sub leading edges to
the front edge of the ribs.
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