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Encyclopedia > Clément Ader
Photograph of Ader
Photograph of Ader

Clément Ader (February 4, 1841March 5, 1926) was a French engineer born in Muret, Haute Garonne remembered primarily for his pioneering work in aviation. Clément Ader (19th century photograph) The copyright status of this vintage image is undetermined; it may still be copyrighted. ... Clément Ader (19th century photograph) The copyright status of this vintage image is undetermined; it may still be copyrighted. ... February 4 is the 35th day of the year in the Gregorian Calendar. ... 1841 is a common year starting on Friday (link will take you to calendar). ... March 5 is the 64th day of the year in the Gregorian Calendar (65th in leap years). ... 1926 was a common year starting on Friday (link will take you to calendar). ... Haute-Garonne is a département in the southwest of France named after the Garonne river. ... Aviation or Air transport refers to the activities surrounding mechanical flight and the aircraft industry. ...


In his time an electrical and mechanical genius, the engineer Ader innovated in a number of domains. He originally studied electrical engineering, and in 1878 improved the telephone, recently invented by Alexander Graham Bell. He refined the invention and established the first telephone network in Paris in 1880. In 1881, he invented the theater-phone, a system of telephonic transmission where two channels allowed binaural hearing and gave listeners an exact idea of the respective positions of the actors on a set; it was this invention which gave the first transmission in stereo of the spectacles of the Opera, over a distance of 2 miles (3 km) (1881). Electrical engineering is an engineering discipline that deals with the study and application of electricity and electromagnetism. ... 1878 was a common year starting on Tuesday (see link for calendar). ... A telephone handset A touch-tone telephone dial Telephone This article is about telephone technology. ... Alexander Graham Bell (March 3, 1847 – August 2, 1922) was a scientist, inventor, and founder of the Bell Telephone Company. ... A telephone handset A touch-tone telephone dial Telephone This article is about telephone technology. ... The Eiffel Tower has become a symbol of Paris throughout the world. ... 1880 was a leap year starting on Thursday (see link for calendar). ... 1881 was a common year starting on Saturday (see link for calendar). ... Stereo or stereophony generally refers to dual-channel sound recording and sound reproduction – sound that contains data for more than one speaker simultaneously. ... 1881 was a common year starting on Saturday (see link for calendar). ...


Following this, he turned to mechanical flight and concentrated all of his time and money on it until the end of his life. Using the studies of Louis Mouillard (1834-1837) on the flight of birds, he constructed his first flying machine in 1886, the Éole. It was a bat-like design run by a lightweight steam engine of his own invention (4 cylinders developing 20 horsepower (15 kW). The weight was no more than 7 pounds per horsepower (4 g/W)), and it drove a four-blade propeller. The wings, with a span of 14 yards, were equipped with a system of warping and all together weighed 650 pounds (300 kg). On October 9, 1890, Ader attempted a flight the Éole, which succeeded in taking off and flying a distance of approximately 50m before witnesses. However, the plane then crashed and was wrecked. 1834 was a common year starting on Wednesday (see link for calendar). ... 1837 was a common year starting on Sunday (see link for calendar). ... 1886 is a common year starting on Friday (click on link to calendar) Events January 18 _ Modern field hockey is born with the formation of The Hockey Association in England. ... The Ader Éole (French: Aeolos, Greco-Roman wind god) was a primitive steam-powered aircraft developed by Clément Ader in 1890. ... A steam engine is a heat engine that makes use of the thermal energy that exists in steam, converting it to mechanical work. ... The horsepower (hp) is the name of several non-metric units of power. ... A propeller can be seen as a rotating fin in water or a wing in air. ... October 9 is the 282nd day of the year (283rd in Leap years). ... 1890 was a common year starting on Wednesday (see link for calendar). ...


Following the wreck of the Éole, Ader undertook the construction of an aircraft he called the Avion II (also referred to as the Zephyr or Éole II). Most sources agree that work on this aircraft was never completed, and it was abandoned in favour of the Avion III, However, Ader claimed in later life that he flew the Avion II in August 1892 for a distance of 200 yards (200 m) in Satory. The Avion II (sometimes referred to as the Zéphyr (west wind) or the Éole II) was the second primitive aircraft designed by Clément Ader in the 1890s. ... 1892 was a leap year starting on Friday (see link for calendar). ... Satory is a village south of Versailles in France. ...

Avion III

Ader's progress attracted the interest of the minister of war, Charles de Freycinet. Clement Ader plane picture (from fr:) File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version. ... Clement Ader plane picture (from fr:) File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version. ... Charles de Freycinet, Prime Minister of France Charles Louis de Saulces de Freycinet (November 14, 1828 - May 14, 1923) was a French statesman and prime minister. ...


With the backing of the French War office, Ader developed and constructed the Avion III. It was like an enormous bat of linen and wood, with a 16-yard wingspan, equipped with two puller propellers of four blades, each powered by a steam engine of 30 hp (22 kW). After extensive taxi tests, Ader attempted a flight at Satory on October 14, 1897. Some witnesses contend that the Avion rolled, took off towards the sky and, before the official commission, flew a distance of more than 300 yards (300 m), while others contend that the Avion III crashed before even taking off. In any event, the commission was not impressed and withdrew its funding, but kept the results secret. After the Wright brothers made their flight, the commission released reports on Ader's flights, stating that they were successful. The Avion III (sometimes referred to as the Aquilon or the Éole III) was a primitive steam-powered aircraft built by Clément Ader between 1892 and 1897, financed by the French War Office. ... October 14 is the 287th day of the year (288th in Leap years). ... 1897 was a common year starting on Friday (see link for calendar). ... First flight, December 17, 1903. ...


Abandoning everything, and in particular public demonstrations, the "father of aviation" died in Toulouse in obscurity. His Avion is still displayed at the museum of the Conservatory of Arts and Industry in Paris. Non-French aviation historians often discredit any claims of priority, since all flights ended in crashes, many were disputed, and Ader greatly exaggerated his achievements in later life. Nonetheless, Ader's October 9, 1890 flight of the Éole remains relatively undisputed, and Ader is still admired for his efforts. In 1938, France issued a postage stamp honoring him, and Airbus named one of its aircraft assembly sites in Toulouse after him. The Capitole, the 18th century city hall of Toulouse and best known landmark in the city; in the foreground is the Place du Capitole, a hub of urban life at the very center of the city Toulouse (pronounced in standard French, in local Toulouse accent) ( Occitan: Tolosa, pronounced ) is a... 1938 was a common year starting on Saturday (link will take you to calendar). ... This 1974 stamp from Japan depicts a Class 8620 steam locomotive. ... Airbus S.A.S. is a commercial aircraft manufacturer based in Toulouse, France. ...


 
 

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