Boeing 247
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The Boeing Model 247, introduced in 1933, was a groundbreaking all-metal, twin-engine monoplane airliner. It featured a stressed-skin construction, retractable landing gear, and two Pratt & Whitney Wasp radial engines, allowing it to cruise at approximately 180 miles per hour. This advanced design, accommodating 10 passengers, significantly surpassed contemporary aircraft in performance and technology. The Model 247's innovations, including its streamlined shape and NACA-inspired cowlings, set a new standard for air transport and influenced subsequent aircraft designs. It entered service with United Airlines, Inc., marking a pivotal step in the evolution of commercial aviation.12
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- aerospace engineeringAeronautical engineering
…accepted until 1933, when the Boeing 247-D entered service. The twin-engine design of the latter established the foundation of modern air transport.
Read More…accepted until 1933, when the Boeing 247-D entered service. The twin-engine design of the latter established the foundation of modern air transport.
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aerospace industryBetween the wars(see Boeing Company), produced its Model 247, an all-metal, twin-engine, low-wing monoplane first flown in 1933 and regarded as the first “modern” airliner. Although the aircraft was sought by most American carriers, Boeing restricted sales of 247s until the order for its sister company, United Airlines, had been filled. This…
Read More(see Boeing Company), produced its Model 247, an all-metal, twin-engine, low-wing monoplane first flown in 1933 and regarded as the first “modern” airliner. Although the aircraft was sought by most American carriers, Boeing restricted sales of 247s until the order for its sister company, United Airlines, had been filled. This…
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