This drawing model airplane designed for the manufacture of the model airplane from balsa.
Archival five PDF files with common views and detailing. The ribs of the wing, rudder, stabilizer and rudder, fuselage frames, curved parts of the keel and so on.
There are no such things as stringers — longitudinal strength of the fuselage. But this conventional slats, usually square cross-section.
Here's video of the flight RC model aircraft MiG-5.
