Word: parallels
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Dates: during 1930-1939
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...planes are biplanes, the Tanager a three-place enclosed ship with Curtiss Challenger 176 h.p. radial air-cooled motor. In addition to its slots, it has wing flaps, which vary the camber, or apparent thickness of the wing, and (the main feature) floating ailerons, which automatically assume a position parallel to air currents made by the plane in flight. The pilot can work the ailerons by hand as well, to effect lateral control of the plane, likewise the wing flaps. The plane has been designed to be put into immediate production with few changes in manufacturing methods now employed. Robert...