Great Planes Extra 300S 60 Kit - GPMA0236 - Manual (Page 28)

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7. Using 30-minute epoxy, glue the firewall in place.
Clamp the firewall to hold it in place until the epoxy cures.
❏ 8. Glue the firewall box sides to former 6 with medium CA.
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9. Fit the 1/4" ply landing gear rails in place, making
sure they fit all the way into the slots in the firewall. Glue
them in place with 6-minute epoxy.
❏
10. From the 1/4" x 1/4" x 8" balsa stick, fit and glue the
two firewall gussets in place.
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11. Sand the landing gear rails flush with the back side
of former 7.
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12. Fit the die-cut 1/8" ply forward landing gear former
(part #15) and the die-cut 1/8" ply forward fuse bottom
(part #16) in place. Clamp the fuse sides tight against the
forward landing gear former and glue both pieces in place.
❏
13. Sand the fuse side and bottom to the angle of the
angled edges of former 6 and former 7.
❏
14. Glue the die-cut 1/8" ply bottom corners (part #17)
in place.
❏
15. Sand the bottom corners to the shape of the fuse
side and fuse bottom. See the cross-section of the plan for
the desired shape.
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