PIPER J-3 CUB Kit Manual

.
B. Set the fuselage side frames over the top view on the plans and join, using 1/4" square cross pieces and the plywood
former F-3.
C.
At the split line of the front section of the side frames, sand a bevel in the back edge so that it fits up against the other
section snugly when the taper toward the nose is incorporated. Join the front sections with 1/4" square balsa.
D.
Epoxy the hardwood landing gear blocks between the fuselage side frames.