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The Douglas proposals resulted in the Air Corps placing an order for two prototypes, the XO-35 and XO-36, on 26 March 1930. The two aircraft were to differ only in the engines fitted, with the XO-35 having geared Curtiss V-1570-29 Conqueror engines, while the XO-36 used direct-drive V-1570-23, which both produced 600 hp (450 kW) each. [1] [2]
The Douglas O-38 is an observation airplane used by the United States Army Air Corps in the 1930s and early 1940s. Between 1931 and 1934, Douglas built 156 O-38s for the Air Corps, eight of which were O-38Fs.
This list of United States Air Force aircraft designations (1919–1962) includes prototype, pre-production and operational type designations under the 1919 and 1924 United States Army Air Service aircraft designation systems, which were used by the United States Air Force and its predecessors until the introduction of the unified United States Tri-Service aircraft designation system in 1962.
Its aircraft from 1928 to 1935 was primarily the Curtiss O-1B Falcon observation plane, but it also field tested and employed other Falcon variants (O-13, O-39, and Y1O-40 Raven) and several Douglas observation types, the Y1O-31, Y1O-35 and O-35. The 1st Observation Squadron's O-35s all participated in delivering the U.S. Mail in 1934 without ...
1934 – Douglas O-35 s and B-7 s are flown by the Army Air Corps after President Roosevelt cancels commercial airmail contracts. 1933 – Jim Mollison lands his de Havilland Puss Moth in Natal, Brazil. He flew from Lympne via Senegal, across South Atlantic, becoming the first person to fly solo across the North and South Atlantics.
The O-46 was a development of the earlier Douglas O-43. The 24th airframe of the O-43A contract was completed as the XO-46 prototype, with a revised wing and an engine switch, from the O-43's inline engine to a radial engine, the Pratt & Whitney R-1535-7. The Air Corps ordered 90 O-46As in 1935. They were built between May 1936 and April 1937.
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Douglas also made commercial jets, producing the Douglas DC-8 in 1958 to compete with the new Boeing 707. Douglas was a pioneer in related fields, such as ejection seats, air-to-air missiles, surface-to-air missiles, and air-to-surface missiles, launch rockets, bombs, and bomb racks.