Скачать или смотреть Quadjet | Wikipedia audio article

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Four-en...


00:00:53 1 Design
00:01:02 1.1 Podded engines
00:03:19 1.2 Buried engines
00:04:22 2 Advantages and drawbacks
00:04:33 2.1 Advantages
00:08:12 2.2 Drawbacks
00:10:39 3 History
00:10:49 3.1 Early history
00:12:30 3.2 Later decades and gradual decline
00:18:49 3.3 Current status
00:22:05 4 Types currently in production
00:22:16 4.1 Airliners
00:22:36 4.2 Military



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Speaking Rate: 0.7267063504940626
Voice name: en-US-Wavenet-A


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SUMMARY
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A four-engined jet, sometimes called a quadjet, is a jet aircraft powered by four engines. The presence of four engines offers increased power and redundancy, allowing such aircraft to be used as airliners, freighters and military aircraft. Many of the first purpose-built jet airliners had four engines, among which stands the De Havilland Comet, the world's first commercial jetliner. In the decades following their introduction, their use has gradually declined due to a variety of factors, including the approval of twin-engine jets to fly further from diversion airports and an increased emphasis on fuel efficiency.