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His mother was Noémie de Rochefort-Luçay, daughter of French politician Henri Rochefort and his father was Swiss artist Auguste Frederic Dufaux, known as Frederic. Armand was one of three children. His older brother Henri Dufaux was also an aviation pioneer. Their maternal grandfather Henri Rochefort financially supported his grandsons' initial aeronautic experiments
He and his brother, Henri, were natives of Geneva. Their first design was a model helicopter weighing 17 kg (37 lb), which successfully achieved flight in April 1905. This was followed by a triplane that was unable to fly, then a third design that crashed on its first flight.
The Dufaux 4 was their first successful craft. On 28 August 1910, Armand flew it from St. Gingolph to Geneva (about 40 mi (64 km) in just 56 minutes and 5 seconds, and winning the Perrot-Duval prize of 5,000 Swiss francs for the feat.
Later that year, the brothers established an aircraft business, and in 1911, sold their Dufaux 5 to 18-year-old Ernest Failloubaz.
Media related to Armand Dufaux at Wikimedia Commons
- Swiss Museum of Transport info on Dufaux
- Geneva air pioneers page, with timeline (in French)
- Full biography
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