Lockheed L-049 Constellation

Lockheed L-049 Constellation
Land	Usa
Roll	Transport – Trafikflygplan
Första flygningen	9 januari 1943
Byggd	88

Den Lockheed L-049 Konstellation var den första modellen av Lockheed Constellation-serien. Det togs i tjänst som C-69 militärt transportflygplan under andra världskriget för United States Army Air Forces och var den första civila versionen efter kriget. När produktionen upphörde 1946 ersattes den av de förbättrade L-649 och L-749 Constellation.

Källkod: Lockheed L-049 Constellation på Wikipedia

Lockheed L-049 konstellation promenad runt
Fotograf	John Heck
Lokalisering	Pima luft- och rymdmuseum, Tucson
Bilder	138

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General Characteristics and Role

The Lockheed L-049 Constellation, often simply called the “Connie,” was the first production model of the famous Constellation family of aircraft. It was a four-engine, pressurized, long-range transport aircraft designed by Lockheed for Trans World Airlines (TWA) in the early 1940s. Its distinctive features—the triple-fin tail and the elegant, dolphin-shaped fuselage—made it an icon of the piston-engine airliner era. Although initially intended for civilian use, all L-049s were pressed into military service during World War II as the C-69 Constellation. Following the war, the C-69s were converted back for commercial service as the L-049, inaugurating the golden age of pressurized, non-stop transatlantic travel.

Property	Typical Value (L-049)
Typ	Long-Range Pressurized Airliner
National Origin	USA
Tillverkare	Lockheed Corporation
First Flight (C-69)	9 January 1943
besättning	5 (Pilot, Co-pilot, Flight Engineer, Navigator, Radio Operator)
Capacity (Passenger)	44 to 81 passengers (varies by configuration)
längd	29.03 m (95 ft 3 in)
Spännvidd	38.47 m (126 ft 2 in)
Maximum Takeoff Weight	40,500 kg (89,300 lb)

Powerplant and Performance

Engine: 4 x Wright R-3350-B7 Duplex-Cyclone 18-cylinder air-cooled radial engines.
Power Output (Each): 2,200 hp (1,640 kW).
Maximum Speed: 547 km/h (340 mph).
Cruising Speed: 483 km/h (300 mph).
Range: Approximately 6,400 km (4,000 mi).
Design Note: The R-3350 engines were initially plagued by reliability issues that required substantial engineering efforts to fix before the Constellation could reach its full commercial potential.

Service and Legacy

Initial Service: The L-049 was the first Constellation to enter commercial service, beginning with Pan American World Airways and TWA in 1946.
Pressurization: It was one of the first successful airliners with a pressurized cabin, allowing it to fly higher than weather disturbances, providing a smoother ride and reducing travel time.
Evolution: The L-049 set the stage for later, more advanced variants like the L-649, L-749, and the final, stretched L-1049 Super Constellation.
Transatlantic Pioneer: Along with the Douglas DC-4, the L-049 Constellation played a key role in making commercial long-haul and transatlantic air travel routine and comfortable in the immediate post-war period.