Description:
On December 19, 1919 the 6th
International Aeronautical Exposition opened in the Grand Palais in Paris.
The Airplanes and motors at the exposition presented the public with considerable progress made in aviation.
The monoplane form was only used on a number of small restricted devices. The biplanes at the exposition measured 28 meters and the wings weighed 7 tons. A new four engine motor cast entirely in one piece was introduced.
Metallurgic industries had previously been occupied with satisfying the needs of the national defense during the first World War. Except for rare examples, the use of metal had been completely abandoned by French constructors. However after W.W.I, the standard wooden frame of the airplane was replaced with the durable and rigid metal structure. The profiles of wings were consequently reconstructed with recent aerodynamic principles established by the Eiffel Laboratory and the Aerotechnical Institute if Saint-Cyr. The fuselage was carefully stream-lined around the motor with specialized sheet iron.
The monumental events that took place in Europe from July 1914 to November 1918 had a considerable influence on the development of aeronautics. The 6th International Aeronautical Exposition was fully prepared when the declaration for war came. The exposition had to be postponed until peace returned. The airplanes and motors that were to be exhibited in the exposition instead went to the war front.
Although it was postponed, the French airplanes benefited dramatically due to the efforts of aeronautic constructors during the last phase of W.W. I.
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