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The 747 needed a huge jump in engine power and efficiency to get the massive plane in the air, and make money for the airlines. Pratt & Whitney changed the shape of jet engines forever with their JT9D turbofans for the 747. The engine differed from earlier power plants by having a huge...
参考译文:波音747SP-94,叙利亚航空,JP6045151。图片来源:Aktug Ates 0.2 概况表格[1] General information【一般信息】 Type【类型】 Wide-body jet airliner【宽体喷气式客机】 National origin【来源国】 United States【美国】 Manufacturer【制造商】 Boeing Airplane Company【波音飞机公司】 Status【现状】 In ...
Jet engine technology is now of such a high standard that restrictions that were previously applied to aircraft with two engines flying long distances over water have been lifted. Each new engine that is brought to market has to go through a certification process along with the aircraft they hap...
The 747 was born from the explosion of air travel in the 1960s. The era of commercial jet transportation, led by the enormous popularity of theBoeing 707, had revolutionised long distance travel and made possible the concept of the "global village." Boeing had already developed a study for ...
The iconic jumbo jet has been fading since the late 1990s. The global 747 fleet peaked at more than 1,000 in 1998. That’s when smaller twin-engine jets like the Boeing 777 really began filling fleets. It could fly just as far, and airlines didn’t have to worry about filling all ...
This site is all about the Boeing 747 from the early history of the 747-100 to the current 747-8i and the experimental planes.
And instead of the scream of earlier generation jets, the 747 “buzzed” when it took off. The 747 might have been the first, but now every passenger jet is powered by an incredibly reliable and sophisticated high-bypass turbofan engine. The real game-changer? The 747 went into ...
Personal video screen, channel selection in first class and business class seats Power plugs at each seat RANGE 4,722 miles (7,620 km) CRUISING SPEED 530 mph (853 km/h) ENGINE 4 jet engines, wing mounted One of our charter specialists is ready to help you plan your next flight....
[38] At the 2018 Farnborough Airshow, GE Aviation expressed concern as to whether the size of the market was large enough to justify the investment of developing a new engine for the jet.[39] 参考译文:达美航空希望成为NMA的启动客户,以取代其757和767机队。[34] 2018年2月,达美航空运营了127...