The Boeing Model 247 is an early American airliner, and one of the first such aircraft to incorporate advances such as all-metal (anodized aluminum) semimonocoque construction, a fully cantilevered wing, and retractable landing gear. [3][4] Other advanced features included control surface trim tabs, an autopilot and de-icing boots for the wings ...

247是第一个能够只用一台发动机飞行的双发动机客机。 使用可调桨距 螺旋桨 （247D上的标准设备），247可以在最大总起飞重量下飞行11,500英尺（3,500米）。 它的组合性能为 道格拉斯DC-1 和在 第二次世界大战 之前的其他飞机设定了标准。

波音247是第一架可以依靠單一引擎飛行的雙引擎客機。 通過使用可調距螺旋槳（247D的標準配備），波音247可以在最大起飛重量下維持11,500英尺（3,500米）的飛行高度。 [8] 這些特性的集合為 道格拉斯DC-1 及其他 二戰 之前的客機設定了標準。 [5] 最初的設計為載客量14人的客機，使用 普拉特·惠特尼R-1690大黃蜂 （英语：Pratt & Whitney R-1690 Hornet） 星型引擎 驅動，聯合航空機師對設計的初期的評論導致飛機重新設計成體量更小、載客量更少的配置，改由 R-1340引 …

2023年1月18日 · Built in the 1930s the Boeing 247 was everything a modern airliner should be—except successful. Crewmembers of a United Air Lines Boeing 247 admire their sleek new aircraft. Modern as it was, the 247 was quickly eclipsed by the Douglas DC-3 in part because the Douglas could carry more passengers. (Library of Congress)

2023年12月8日 · In 1933 a revolutionary new airplane was introduced that airline advertising bragged about. It cruised at speeds of three miles per minute and carried 10 passengers across the country in 20 hours with fueling stops, cutting eight hours from previous travel times. The airplane was the Boeing 247D, which was considered big and fast in its day.

2023年2月8日 · Considered by many to be the first modern passenger airliner, the Boeing Model 247 helped commence the era of speed, safety, and comfort in commercial air travel. The all-metal twin-engine aircraft, designed in the early thirties, had then-modern features like an autopilot, pneumatically operated de-icing equipment, and more.

The Boeing 247 is considered to be the first modern airliner. Its sleek, low-wing, all-metal, retractable-gear, twin-engine design marked the beginning of a new era in air transport.

The Boeing 247, sometimes called the Boeing Model 247 was an American airliner. It is thought to be the first airliner to fully use [2][3] advanced things like retractable landing gear, an autopilot and deicing boots.

247是第一個能夠只用一台發動機飛行的雙發動機客機。 使用可調槳距 螺旋槳 （247D上的標準設備），247可以在最大總起飛重量下飛行11,500英尺（3,500米）。 它的組合性能為 道格拉斯DC-1 和在 第二次世界大戰 之前的其他飛機設定了標準。

2019年9月11日 · Before the introduction of the Boeing 247, most airliners were made out of fabric and were high wing monoplanes. However, Boeing designed the 247 to be revolutionary in so many ways. And because of this, the 247 left a large impact on aircraft design of the era.