Military aeroplanes, simplified, enlarged; an explanatory consideration of their characteristics, performances, construction, maintenance, and operation, specifically arranged for the use of aviators and students (1918)
the blade as an elementary wing is traveling in a spiral, theangle of the blade with relation to the axis must increase as the hubis approached, in order, in one revolution, for the relative travel of anyblade portion through the air to be the same. This travel of the blade through the air would of… … THE TOTAL PRESSURE ON THE PROPELLER, P, MAY BE DIVIDED INTO L AND D,AS DONE ON AN AEROFOIL, BUT WITH THE DIFFERENCE THAT THE ACTIVE FORCE LIS REALLY THE THRUST FORWARD AND THE DRAG D, IS THE TORQUE, WHICH IS OVER-COME BY THE MOTOR. Any point on the blade actually travels through the air a…
Airplanes · Aeronautics, Military
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