Devoir de Philosophie

avion

Publié le 04/11/2012

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1/ History The plane appears only a few years before the First World War and quickly used by the military. As a component of the army, France military aviation was born in 1909. It’s first assignments are the same as those previously used balloons, namely the recognition and adjustment of artillery fire and the light bomber. This is to prevent and combat missions appear the first enemy fighter planes. Between the two wars, military aviation perfected (monoplanes replace most biplanes, engines become more powerful and profiles were more aerodynamic). Armies grow much this weapon, feeling a new war coming. But before the outbreak of the war, nations are very technologically advanced (France, Germany, United Kingdom), while others are delayed (United States, Italy, etc.). While prototypes and bloom their performance is more high. Military aviation is used intensively at the beginning of World War II: it is an essential component of the German Blitzkrieg and the Battle of Britain is the first air battle in history. The war unfortunately also mark the beginning of t...

« Blitzkrieg and the Battle of Britain is the first air battle in history.

The war unfortunately also mark the beginning of the bombing of civilian targets carried out with training hundreds of planes: first by Germany (raids on Rotterdam and Coventry in 1940) and Japan, followed by the United States and the United Kingdom from 1943 (raids on Hamburg, Tokyo, etc.)..

Asia, World War II ends after the atomic bombings of Hiroshima and Nagasaki. 2/Description and the way it works Aircraft engines were either rotary engines or engines or compressor, the engine of the time was made ​​with one piston cooling system.

The engine was made ​​of pistons that could be installed in either V H or flat star.

The cooling system could be air-cooled or water. The locations of deferred engines also: • In position before, tractive propulsion. • In rear position in propulsion winded. • In front and rear position in propulsion "push-pull" 3/Manufacturing and production:. »

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