![]() ![]() Testifying at a Congressional committee hearing on “Development of the Autogiro and Rotary-Winged Aircraft,” the renowned chairman of the Daniel Guggenheim School of Aeronautics at New York University said that “he conquest of the air in its broadest sense will only come when we can do in the air substantially everything that a bird can do in the air.” Three-quarters of a century later, the Defense Advanced Research Projects Agency is preparing to announce which of four competing aircraft designers it thinks might come closest to fulfilling Klemin’s vision. No one has ever set the bar for the dream machine of aviation higher than Alexander Klemin did on April 26, 1938. Aurora Flight Sciences’ entry (shown here in an artist’s conception) tilts the entire wing-and the motors with it-much like the Vought XC-142 used to do.
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