Curtiss V-1570 Conqueror was designed as the replacement for
Curtiss' successful D-12 of 1922. The Conqueror went into
production in 1926 producing 575 hp and was producing 650 hp by
Although the Conqueror accounted for 2/3 of the
Army's purchases of of large engines as late as 1932, the Conqueror
marked the beginning of the end for Curtiss aircraft engines.
Tests in 1931 showed glycol leaks and, with a declining interest in
liquid-cooling, funding was cut a year later.
|12 cylinders, water-cooled, vee|
|Displacement: 1,570 cubic inches (25.7 liters)|