Elementary aeronautics; or, The science and practice of aerial machines (1911)
Thurston, Albert Peter, b. 1881 · London and New York : Whittaker & co. · leaf 98
87 TYPES OF MACHINES. provided with fore and aft biplane elevators, each 13 feet 6 inches by 3 feet. The main planes are 44 feet spread by 6 feet 6 inches width and 6 feet 6 inches apart. … I FIG. 94. — Drawings of Maxim's second biplane. There are three propellers, two 11 feet 3f inches diameter, and one 5 feet diameter, driven by a 50 horse-power engine. Total supporting area, 734 square feet. Wright (1905) The Wright machine (Fig. 95) is a biplane, having two elevators in the front…
Aeronautics
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