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Glenn Curtiss of Hammondsport, New York, who built and raced bicycles early in the twentieth century, later raced, designed and built motorcycles and motorcycle engines. In 1904, a 5.2 kW (7-hp) Curtiss air-cooled engine powered a small dirigible, his first entry into aviation. Later in that decade, to achieve higher power, Curtiss developed liquid-cooled engines for aviation. A 1931 merger of the two famous aeronautical pioneers formed the Curtiss-Wright Corporation.

The Conqueror was an outgrowth of the famous D-12, which had largely resulted from Curtiss collaborations with Charles B. Kirkham and Arthur Nutt, and was the last of the Curtiss liquid-cooled engine series to enter production. Between 1931 and 1937, 681 Conqueror engines were manufactured with both direct and geared drives that powered high-performance military and racing aircraft. The geared Conqueror G1V-1570-F powered the Douglas YO-31A and C, Douglas XO-35 and Y1O-35, and Douglas Y1O-43.

Display Status

This object is not on display at the National Air and Space Museum. It is either on loan or in storage.

Object Details
Date Circa 1928 Country of Origin United States of America Type PROPULSION-Reciprocating & Rotary Manufacturer Curtiss Aeroplane and Motor Company
Physical Description Type: Reciprocating, 12-cylinders, V-type, liquid-cooled Power: 447 kw (600 hp) at 2,450 rpm Displacement: 25.7 L (1,569 cu in.) Bore and Stroke: 130.2 mm (5.125 in.) x 158.8 mm (6.25 in.) Weight: 460.4 kg (1,015 lb) Dimensions Length 129.5 cm (51 in.), Width 66.0 cm (26 in.), Height 90.64 cm (35. 69 in.)
Materials Aluminum, Steel, Copper, Magnesium, Rubber, Paint, Brass, Textile
Inventory Number A19690359000 Credit Line Exchange with T. G. Vorhees Data Source National Air and Space Museum Restrictions & Rights Open Access (CCO)
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