Boeing 247
The Boeing 247 is a significant aircraft in the history of aviation, particularly for its role in advancing commercial air travel. Here is detailed information about this model:
Development and Design
- First Flight: The Boeing 247 first flew on February 8, 1933.
- Design Features: It was designed with a cantilever wing, retractable landing gear, and was constructed primarily from metal, which was innovative for its time. These features made it one of the first modern airliners.
- Engine: Powered by two Pratt & Whitney R-1340 Wasp engines, it had a cruising speed of about 188 mph (303 km/h).
Operational History
- Introduction: The Boeing 247 was introduced by United Airlines in March 1933, marking a new era in airline service with its speed and comfort.
- Capacity: It could carry 10 passengers in a configuration that included berths for overnight flights, or 14 in day seating.
- Impact: The introduction of the Boeing 247 led to the development of the Douglas DC-3, as competitors sought to match or surpass its performance.
Technical Specifications
- Wingspan: 74 feet 1 inch (22.58 meters)
- Length: 68 feet 9 inches (20.96 meters)
- Height: 13 feet 1 inch (3.99 meters)
- Range: Approximately 745 miles (1,200 kilometers)
- Service Ceiling: 25,000 feet (7,620 meters)
Legacy
- The Boeing 247 set new standards for safety, speed, and passenger comfort, influencing the design of subsequent aircraft.
- It was the first aircraft to be designed specifically for the needs of airlines, focusing on passenger experience and operational efficiency.
- Only 75 Boeing 247 were built due to its rapid obsolescence with the advent of the DC-3.
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