Before revision: Many industry examples are included in Utterback's book Mastering the Dynamics of Innovation (see references below) DC-3 Peter Senge book The Fifth Discipline on p. 6 cited the DC-3 as a dominant design consisting of variable-pitch propeller, retractable landing gear, monocoque, radial air-cooled engine, and wing flaps.
After revision: bing bongMany industry examples are included in Utterback's book Mastering the Dynamics of Innovation (see references below) DC-3 Peter Senge book The Fifth Discipline on p. 6 cited the DC-3 as a dominant design consisting of variable-pitch propeller, retractable landing gear, monocoque, radial air-cooled engine, and wing flaps.