Ferris, Richard. [from old catalog] · New York, T. Nelson and sons · leaf 94
FLYING MACHINES: THE BIPLANE. 93 in very nnicli the same manner as the warping tipsof the Wright machine. A pair of tail planes are setin parallel on a framework about 20 feet in the rearof the main planes, and a double rudder surface be-hind them. Another model has hinged ailerons onthese tail… … Balancingplane Rudders Diagram of the Farman biplane. A later type has the hinged ailerons alsoon the tail planes right between them. These tail ailerons are movedin conjunction with those of the main planes. The motor has 4 cylinders, and turns a propellermade of wood^ 8 feet 6 inches in diameter,…
Aeronautics
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