First Patented Helicopter: A Shattered Dream
America’s First Patented Helicopter was a shattered dream William J. Purvis and Charles A. Wilson built America’s First Patented Helicopter in Goodland, KS, but Newton’s Third Law defeated them. Since every action has an equal and opposite reaction, any helicopter must compensate for the rotor’s twisting action. They never solved the torque problem, but they […]
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