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Avion III
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Drawing of Clément Ader's Avion III, built in 1897. Drawing of Clément Ader's Avion III, which was tested on Oct. 12 and 14, 1897.
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Avion III

aircraft
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Drawing of Clément Ader's Avion III, built in 1897.
Drawing of Clément Ader's Avion III, built in 1897.

The Ader Avion III was a tractor monoplane designed and built by French aeronautical pioneer Clément Ader. Completed in 1897, it was commissioned by the French Ministry of War. The aircraft featured deeply cambered wings and was powered by twin 20-horsepower steam engines. Ader attempted to fly the Avion III twice in October 1897. During the first attempt, it ran around a track without leaving the ground. On the second attempt, it briefly left the track before stopping. The Ministry of War deemed that the aircraft had not flown and refused further funding. Despite Ader's later claims of having flown the aircraft, historians generally do not support this assertion.1

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2 Britannica Sources
  1. Blériot XI
  2. Ader Avion III

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