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He and his brother, Henri Dufaux (1879-1980) were natives of Geneva. Their first design was a model helicopter weighing 17 kg (which successfully achieved flight in April, 1905), this was followed by a large eight-wing plane 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 (c.40 mi. 64 km), taking just 56 minutes and 5 seconds, and winning the Perrot-Duval prize of 5,000 Swiss francs for the feat.
Later in 1910, the brothers established an aircraft business, and in 1911, sold their "Dufaux 5" to an 18-year-old Ernest Failloubaz, whose reconnaissance flights were the beginning of Swiss military aviation.
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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