Great Planes RV-4 40 Kit - GPMA0180 - Manual (Page 25)

❏ 22. Glue the right fuselage doubler (RFD) to the inside of
the right fuselage side between F1 and F3.
❏ 23. Glue the left fuselage doubler (LFD) to the inside of
the left fuselage side between F1 and F3.
❏ 24. Glue the aft fuselage bottom in place at the rear of the
fuselage. It should fit into the notches at F5 - F7.
❏ 25. Locate the die-cut 1/8" [3mm] plywood bottom
firewall (BF) and F2-B.
❏ 26. Sand a 45 degree bevel on the top and bottom of F2-B.
❏ 27. Glue the die-cut 1/8" [3mm] plywood bottom firewall
(BF) to the fuselage sides at the front of the fuselage. After BF
is in place, glue F2-B to the fuselage sides and the top of BF.
❏ 28. Locate the die-cut 1/8" [3mm] plywood F3-B doubler.
Glue it in place onto F3, fitting it into the notches between
LFD and RFD.
❏ 29. Locate the 1/4" x 2-3/4" x 5-1/2" [6 x 64 x 140mm]
birch plywood landing gear mount. Cut the landing gear
plate to fit at the location shown on the plan between F3, the
firewall and the fuselage sides. Glue the plate in place using
30-minute epoxy.
❏ 30. Locate the two die-cut 1/8" [3mm] plywood F1 firewalls.
Glue the two F1's together to form one 1/4" [6mm] firewall.
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