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The Avion III (sometimes referred to as the Aquilon or the Éole III) was a steam-powered aircraft built by Clément Ader between 1892 and 1897, financed by the French War Office. Retaining the same bat-like configuration of the Éole, the Avion III was equipped with two engines driving two propellers. While the earlier aircraft had no means of ...
- 14 October 1897 (hops)
- Clément Ader
- 1
- Experimental monoplane
Oct 9, 2023 · Clément Ader, 1897. 9 October 1890: At the Château d’Amainvilliers, near Gretz, Clément Ader’s flying machine, Éole, flew for the first time. An inventor, Ader had recently spent months in Algeria, observing the vultures. When he returned to France he began to design and build a bat-like machine with a wing spread of 46 feet (14 meters ...
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Jul 1, 2013 · Even so, Ader was encouraged by his success. So was the French Ministry of War, which offered him money—eventually, more than 650,000 francs—to build a new and larger model. Over the course of seven years Ader produced a larger, twin-engine version of the Éole named Avion III. In 1897, trials of this aircraft at a military camp were a ...
Oct 12, 2011 · Avion III engine left side. The motor was configured to produce 15 kg or 16 atmospheres of pressure, rotating at a maximum speed of 480 rpm. Bore and stroke was 120mm and 76mm respectively. Weighing a combined total of 117kg, the engine was a masterpiece of weight conservation; its two-cylinder banks weighed a total of 42kg, the firebox and ...
On April 19, 1890, Clément Ader filed a patent relating to “a winged device for aerial navigation called Avion“. His first demonstration took place on the following October 9, on a 200-meter track that the banker Gustave Pereire had laid out for him in the park of his castle in Armainvilliers, in Seine-et-Marne.
- Heavier-Than-Air Aviation
- Inspired by Bats
- Avion Prototypes
- A Man of Many Talents
This flight leads some to consider Eole as the first-ever aeroplane. However, others don’t share this view, arguing that the machine, despite carrying a man and having risen above the ground with its own power (steam), didn’t provide any means for the pilot to control the direction of the flight. Whatever the opinion one may have, one cannot deny t...
Developed between 1882 and 1889, Eole was named after the Greek God of the Winds, Aeolus. Like a giant bat, it had two wings of 14 meters each that could be articulated by a wooden structure covered by silk. The pilot was situated at the back of the aircraft. Contrary to many early flying machines, Eole was not designed to flap its wings, but was p...
In the following years Ader developed and improved Eole Avion I by building Zéphyr and Aquilon. The three machines are called Avion from the Latin word avis (bird), which became the French word for airplane. Eole’s flight in 1890 drew the interest of the French army, which ordered a more powerful aircraft, thus leading to the construction of Zéphyr...
Ader in 1891 An engineer by education, Clément Ader (1841–1925) enjoyed a long and eventful life. Beside the heavier-than-air aircraft Avion, for which he is mainly known for, he made several (sometimes surprising) inventions in various fields. To name a few: he invented a telephonic distribution system called Théâtrophone, allowing subscribers to ...
Apr 4, 2012 · An 1897 test run at an army base near Versailles was a failure, resulting in a loss of military funding for the project, though Ader would later claim there had been a successful, short flight.
