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  1. helicopter, aircraft with one or more power-driven horizontal propellers or rotors that enable it to take off and land vertically, to move in any direction, or to remain stationary in the air. Other vertical-flight craft include autogiros, convertiplanes, and V/STOL aircraft of a number of configurations. The idea of taking off vertically, making the transition to horizontal flight to the ...

  2. Static model aircraft cannot fly, and are used for display, education and are used in wind tunnels to collect data for the design of full scale aircraft. They may be built using any suitable material, which often includes plastic, wood, metal, paper and fiberglass and may be built to a specific scale, so that the size of the original may be compared to that of other aircraft.

  3. Flugtechnische und mathematische Studien von Leonardo da Vinci (1452–1519). In seinen Aufzeichnungen, wie dem „Kodex über den Vogelflug“ und den sogenannten „Pariser Manuskripten“, finden sich unter anderem: ein Fallschirmentwurf, ein Hubschrauber, Entwürfe für Schwingenflugzeuge, Strömungsuntersuchungen und Stromlinienkörper.

  4. › wiki › AileronAileron - Wikipedia

    An aileron (French for "little wing" or "fin") is a hinged flight control surface usually forming part of the trailing edge of each wing of a fixed-wing aircraft.Ailerons are used in pairs to control the aircraft in roll (or movement around the aircraft's longitudinal axis), which normally results in a change in flight path due to the tilting of the lift vector.

  5. 1907年他們首次踏上法國的土地,跟法國的政府官員和商人們面對面地交談,然後又轉道英國和德國跟那裡的航空界代表人物會面。在啟程之前,奧維爾還將他們新造的 萊特A型飛機 ( 英語 : Wright Model A ) 裝箱運往法國。一年後,這寶貝就該大展身手了。

  6. 1907年他们首次踏上法国的土地,跟法国的政府官员和商人们面对面地交谈,然后又转道英国和德国跟那里的航空界代表人物会面。在启程之前,奥维尔还将他们新造的 萊特A型飛機 ( 英语 : Wright Model A ) 装箱运往法国。一年后,这宝贝就该大展身手了。

  7. Sep 27, 2018 · As children they had been inspired by the French aeronautical pioneer Alphonse Pénaud, and as adults they were infatuated with the seemingly impossible dream of creating a working flying machine.

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