Back (propeller nomenclature)
The curved surface of a propeller blade. The back of a propeller blade corresponds to the upper surface of an airplane wing.
Aviation Maintenance Technician Handbook — Powerplant, p. G-3
The curved surface of a propeller blade. The back of a propeller blade corresponds to the upper surface of an airplane wing.
Aviation Maintenance Technician Handbook — Powerplant, p. G-3