... ...Parasite drag...Aircraft engines Essential parts of the airplane The wing Airfoil modifications & arrangements Parasite drag Stability & control Airplane engine - general principles Airplane engine- operating characteristics Airplane engine - types & construction details The propeller The complete powerplant Aircraft performance / maneuvers / structure The seaplane & amphibian Commercial & military airplanes Aircraft instruments & accessories Overview of the development of aircraft & their engines, circa 1936 The Airplane and its Engine Book Aircraft engines ...