Ferris, Richard. [from old catalog] · New York, T. Nelson and sons · leaf 106
propeller is 7 feet 8inches in diameter, and is turned by a six-cylinderautomobile engine of 40 horse-power running at1,400 revolutions per minute. The propeller isgeared down to run at 850 revolutions per minute. FLYING MACHINES: THE BIPLANE 105 The motor is placed low down on the lower plane,but… … The McCurdy biplane, Baddeck No. 2. tor, which is built of 30 flattened tubes 7 feet 6inches long^ and 3 inches wide, and very thin. Theyare curved from front to rear like the main planes,and give sufficient lift to sustain their own weight 106 FLYING MACHINES: THE BIPLANE. and that of the water…
Aeronautics
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