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Chanute 1904 Glider (Reproduction)

Derived from Octave Chanute's 1896 Glider Design.

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Aviation pioneer

 

Chanute first became interested in aviation during a visit to Europe in 1875. When he retired from his engineering business, he decided to devote his time to furthering the new science of aviation. Applying his engineering background, Chanute collected all the data that he could find from flight experimentors around the world. He published this as a series of articles in The Railroad and Engineering Journal from 1891 to 1893, and collected them together in the influential book Progress in Flying Machines in 1894. This was the most systematic global survey of fixed-wing heavier-than-air aviation research published up to that time.

 

At the World's Columbian Exposition in Chicago in 1893, Chanute organized a highly successful International Conference on Aerial Navigation.

 

Chanute was too old to attempt to fly himself, and he partnered with younger experimenters, including Augustus Herring and William Avery. In 1896 and 1897 Chanute, Herring, and Avery tested hang gliders based on designs by the German aviator Otto Lilienthal, as well as hang gliders of their own design, in the sand hills on the shores of Lake Michigan near the town of Miller Beach, Indiana, not far from what would become the city of Gary.[3] These experiments convinced Chanute that the best way to achieve extra lift without a prohibitive increase in weight was to stack several wings one above the other, an idea proposed by the British engineer Francis Wenham in 1866 and realized in flight by Lilienthal in the 1890s. Chanute invented the "strut-wire" braced wing structure that would be used in powered biplanes of the future. He based the design on the Pratt truss, which was familiar to him from his bridge-building work. The Wright brothers based their glider designs on the Chanute "double-decker," as they called it.

 

Chanute corresponded with many aviation pioneers, including Louis Mouillard, Gabriel Voisin, John J. Montgomery, Louis Blériot, Ferdinand Ferber, Lawrence Hargrave, and Alberto Santos Dumont. In 1897 he started a correspondence with British aviator Percy Pilcher. Following Chanute's ideas, Pilcher built a triplane, but he was killed in a glider crash in October 1899 before he could attempt to fly it.

 

Chanute was in contact with the Wright brothers from 1900, when Wilbur Wright wrote to him after reading Progress in Flying Machines. Chanute helped to publicize the Wright brothers' work, and provided consistent encouragement, visiting their camp near Kitty Hawk, North Carolina, in 1901, 1902, and 1903. The Wrights and Chanute exchanged hundreds of letters between 1900 and 1910.

 

Chanute freely shared his knowledge about aviation with anyone who was interested and expected others to do the same, although he did encourage colleagues to patent their inventions. His open approach led to friction with the Wright brothers, who believed their ideas about aircraft control were unique and refused to share them. Chanute did not believe that the Wright flying machine patent, premised on wing warping, could be enforced and said so publicly, including a newspaper interview in which he said, "I admire the Wrights. I feel friendly toward them for the marvels they have achieved; but you can easily gauge how I feel concerning their attitude at present by the remark I made to Wilbur Wright recently. I told him I was sorry to see they were suing other experimenters and abstaining from entering the contests and competitions in which other men are brilliantly winning laurels. I told him that in my opinion they are wasting valuable time over lawsuits which they ought to concentrate in their work. Personally, I do not think that the courts will hold that the principle underlying the warping tips can be patented." The friendship was still impaired when Chanute died, although Wilbur Wright delivered the eulogy at Chanute's funeral.

 

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Uploaded on March 16, 2011
Taken on January 14, 2011