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Lockheed L.75 Saturn


Before the war, Lockheed was very successful in providing airliners for routes that did not generate quite enough traffic for the larger DC-3s. By the end of the war, it was firmly committed to do battle with Douglas for the long-range, high-volume routes, but it did not lose sight of the less-traveled ones on which its prewar designs served so well. Lockheed’s entry in that market was the unpressurized, 14-passenger Saturn. The prototype first flew on June 17, 1946, with two 600hp (450kW) Continental GR9A engines. Difficulties were experienced with these powerplants and consequently 700hp (520kW) Wright C7BA Cyclone engines were substituted shortly thereafter. Like the others who offered new designs for this market, Lockheed found there were just too many military-surplus DC-3s available at bargain prices. The Saturn program was terminated and the two prototypes were scrapped in 1948 for tax purposes.


Engines: 2 x 700hp Wright 744C-7BA-1 7-cylinder radial
Wingspan: 22.56 m / 74 ft 0 in
Length: 15.69 m / 52 ft 6 in
Height: 6.05 m / 20 ft 10 in
Loaded weight: 7257 kg / 15999 lb
Empty weight: 5153 kg / 11360 lb
Max. speed: 367 km/h / 228 mph
Cruise: 187 mph
Range: 600 miles (960 km)

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