The first autogiro flight took place on 09 January 1923, and it was conducted by the Spanish engineer and pilot Juan de la Cierva. An autogiro, or autogyro, is an aircraft that uses an unpowered rotor for lift, and an engine-powered propeller for thrust. It is a predecessor to the modern helicopter.
Juan de la Cierva's autogiro design was a significant breakthrough in aviation. The aircraft, named the "C.4" or "Autogiro," featured a rotor that was not powered but spun freely during flight. This rotor provided lift, and forward propulsion was achieved by an engine-driven propeller. The autogiro's ability to take off and land in short distances without the need for a runway was a notable advantage.
The successful first flight of the autogiro marked a milestone in aviation history, leading to further developments in rotorcraft technology and contributing to the eventual evolution of the modern helicopter.
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