High Quality Plan Sets for Radio Control Aircraft
Henry Struck's 1937 Benny Boxcar
Scaled to 108 inch span
Page 4
Chedcking the level of the top longerons in the stabilizer area. The 3/8 vertical post can also be used to check alignment. It is not glued at this point, just clamped between the fuselage sides until square is achieved.
Many construction triangles are used in the assembly process.
It helps to have the fuselage sides held securely to the triangles in some locations. The triangles are pinned to the building board.
The 3/8 square post at the end of the fuselage is recessed to allow the vertical stabilizer spar to be trapped between the fuselage
sides. Slight sanding will be required to fit the spar, and it must be done accurately so the fin is vertical relative to the fuselage.
Test fit of the fin spar.
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