The mechanics of the aeroplane, a study of the principles of flight (1912)
Duchêne, Émile Auguste, 1869-, Ledeboer, John Henry, 1883-, Hubbard, Thomas O'Brien, 1882- · London, New York [etc.] Longmans, Green and co. · leaf 82
HORIZONTAL FLIGHT IN STILL AIR 65 curve. This particular arrangement1 is shown in the curve 1^ (Fig. 24). The maximum excess M^M^ would then be obtained at a speed, Om (the economical speed), entirely by the operation of the elevator. But normally the propelling plant would not be running at its… … Speeds. FIG. 23. efficiency speed, since the point L representing the normal speed is not the highest point in the curve I1J1 . (b) Provide the aeroplane with a propelling plant whose full power curve has the form I2J9 (Fig. 24), but run the propeller at part power in order not to exceed the…
Aerodynamics · Airplanes · Flight
Internet Archive · University of California Libraries · Public domain (published before 1931). Free to use for anything.
