The Douglas DC-7 is a retired American transport aircraft built by the Douglas Aircraft Company from 1953 to 1958.

It is a twin-row, supercharged, air-cooled, radial engine with eighteen cylinders, pushrod valves, two-speed single-stage supercharger, Chandler-Evans downdraft carburetor fuel system, and dry-sump oil system. It produces a maximum thrust of 3,250 horsepower each.

May 18, 2022 · Built by the Douglas Aircraft Company between 1953 and 1958, the DC-7 was a derivative of the DC-6, made to fly coast-to-coast across the US in as little as eight hours. The DC-7 was the last piston-engine powered plane built by Douglas, and no examples of the aircraft are still flying today.

Mar 15, 2025 · The DC-7C was the best-selling variant, with Douglas producing 121 of the aircraft, nearly half of which were taken up by European airlines. It was also the top-performing piston aircraft of its era, able to fly faster and further than Lockheed’s most advanced variant of the Constellation, the Lockheed L-1649 Starliner, and the Boeing 377 ...

Douglas' largest and last piston engined airliner, the DC-7 was one of the first airliners capable of nonstop trans Atlantic crossings between New York and London. Previously the DC-7 designation had applied to a commercial development of the C74 Globemaster I that PanAm had ordered.

The Douglas DC-7 is a four-engine long-range Airliner with a capacity of maximum 105 passengers produced by the US-American manufacturer Douglas Aircraft Company.

Douglas' biggest and last cylinder engined carrier, the DC-7 was one of the first aerial transports equipped for steady trans Atlantic intersections between New York and London. At one time the DC-7 assignment had connected to a business advancement of the C74 Globemaster I that Panam had requested.

Jan 20, 2022 · Powered by a turbo-compound version of the Wright R-3350 engine producing 30% more power than the 18-cyclinder radial R-3350s powering American's DC-6s, the Super Constellation was capable of non-stop transcontinental operations, even into headwinds.

Nov 6, 2019 · The DC-7 was Douglas’ last major piston engine-powered transport aircraft. Built 1953 - 1958, it entered the American Airlines flagship service on its New York-Los Angeles route, becoming the first airliner to offer nonstop transcontinental service in both directions, flying westbound against the prevailing winds.

The Douglas DC-7 was the last major piston aircraft produced by the Douglas Aircraft Company. Aircraft like the DC-7 where replaced with jet aircraft such as the Douglas DC-8. Aircraft Series: DC-7 Main variety 105 built. DC-7B Increased gross weight and increased fuel capacity. DC-7 …