…In both cases, because it is a difficult maneuver, various regulations have been established for the way of operation to ensure safety. Let's take a jet transport plane as an example and explain the takeoff. The plane starts rolling from the end of the runway, gradually accelerating, and when it reaches V R (rotation speed), the nose is raised. The plane leaves the ground and continues accelerating, reaching an altitude of 35 feet (10.7 m) by the time it reaches V 2 (take-off safety speed).… *Some of the terminology that mentions "rotation speed" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…どちらの場合も,むずかしい操作なので,安全を期するために操作のしかたにいろいろの規定が設けられている。ジェット輸送機の場合を例にとって,まず離陸の場合を説明すると,滑走路端から滑走を始め,だんだん加速してVR(ブイアール)(ローテーション速度rotation speed)に達したら機首を引き起こす。機は地面を離れなおも加速しつつ高度35フィート(10.7m)に達するまでに,V2(ブイツー)(安全離陸速度take‐off safety speed。… ※「rotation speed」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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