The Boeing 777X is the latest series of the long-range, wide-body, twin-engine jetliners in the Boeing 777 family from Boeing Commercial Airplanes. The changes for 777X include General Electric GE9X engines, composite wings with folding wingtips, greater cabin width and seating capacity, and technologies from the Boeing 787.

The new Boeing 777X will be the world’s largest and most efficient twin-engine jet, unmatched in every aspect of performance. With new breakthroughs in aerodynamics and engines, the 777X will deliver 10 percent lower fuel use and emissions …

The Boeing 777, commonly referred to as the Triple Seven, is an American long-range wide-body airliner developed and manufactured by Boeing Commercial Airplanes. The 777 is the world's largest twinjet and the most-built wide-body airliner.

波音777（英語： Boeing 777 ，通常被稱為“Triple Seven”）是由波音民用飞机集团開發和製造的美國遠程廣體客機，也是世界上最大的雙發噴射機 [4] [5] 。 777旨在彌補波音其他廣體飛機（雙引擎 767 和四引擎 747 ）之間的差距，並取代機齡較大的 麥道DC-10 和 洛歇L-1011 ...

2020年11月19日 · American manufacturer Boeing's two newest airliners are the widebody 777X and the narrowbody 737 MAX. These are next-generation variants of existing Boeing aircraft, the hugely successful 777 and 737, rather than brand-new designs in their own right. Ahead of the 737 MAX's recertification, the two were pictured together in Washington.

The Boeing 777's unique combination of superior range, outstanding fuel efficiency and passenger-preferred comfort has created long-range success for carriers around the world. And the 777-300ER now gives operators a perfect opportunity to extend that success.

Boeing 777-300ER Performance: Cruise speed: 482 knots / 555 mph / 893 km/h: Approach Speed: 240 knots / 276 mph / 444 km/h: Landing Speed: 149 knots / 171 mph / 276 km/h

全新波音777X 将是世界上最大、效率最高的双发飞机，各方面的性能都无与伦比。 凭借空气动力技术和发动机技术的新突破，777X 的油耗、排放以及运营成本都将比竞争机型降低10%。 777X 家族将为航司提供低风险的盈利增长机会以及业界领先的可靠性。 与777和787梦想飞机家族无缝融合，因此具有高度的灵活性。 然而，777X不只具有优异的性能，它还拥有宽敞的客舱、全新的定制化架构和来源于787梦想飞机的创新技术。 777X 带给乘客的将是自未来的飞行体验。 …

BBJ 777X 将777的功能和机舱空间与787的技术进步相结合,创造出无与伦比的飞机. 凭借有史以来最大的复合机翼和最新的发动机技术,777X可以连接地球上的任何两个城市,为乘客提供极致的舒适性和性能. 777X 的客舱可与上一代四发飞机相媲美,但采用现代高效的双引擎平台. 享受多个私人睡眠区、专用生活空 间、办公室等等. 乘客可以在不打扰其他旅行者的情况下工作、休息和用餐. 的宽度可构建宽敞的起居区和顶部机组休息区,BBJ 777X 提供比任何竞争对手更多的定制选项. 20 …

weight and performance calculations for the Boeing 777-300ER wide-body long-range jet airliner