…An aircraft is a general term for any vehicle that flies through the air and is manned by humans. An airplane is one that moves forward with the power of a thruster such as a jet engine or a propeller, and flies by supporting its entire weight with the dynamic upward aerodynamic force, or lift, generated by fixed wings (wings that do not rotate or flap). In addition to airplanes, there are many other types of aircraft, including gliders, which have no thrusters, helicopters that use the lift of rotors, balloons, which use the static buoyancy of the air acting on a bag filled with a gas lighter than air, and airships. … *Some of the terminology explanations that mention "V₂" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…人間が乗って空気の中を飛ぶ乗物を総称して航空機といい,その中で,ジェットエンジン,プロペラなどの推進装置の力で前進し,その際,固定翼(回転したり,羽ばたいたりすることのない翼)に生ずる動的な上向きの空気力,すなわち揚力によって自分の全重量を支えて飛ぶものが飛行機である。航空機には,飛行機のほか,推進装置のないグライダー,回転翼の揚力を利用するヘリコプター,空気より軽いガスをいれた袋に働く空気の静浮力を利用する気球,飛行船などいろいろの種類がある。… ※「V₂」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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