page_title: Continental R-670
section_title: Specifications (R-670-K)
hierarchical_section_title: Continental R-670 / Specifications (R-670-K)
caption_attribution_description: Continental R-670 aircraft engine
context_page_description: The Continental R-670 was a seven-cylinder four-cycle radial aircraft engine produced by Continental displacing 668 cubic inches and a dry weight of 465 lb. Horsepower varied from 210 to 240 at 2,200 rpm. The engine was the successor to Continental's first radial engine, the 170 hp Continental A-70. This engine was used on many aircraft in the 1930s and 1940s. The R-670 was widely used in the PT-17 Stearman primary training aircraft of the U.S. military.
  In addition to being used in aircraft, the R-670 was used in a number of light armored vehicles of World War II.
context_section_description: Data from Jane's 1938
caption: An R-670 fitted to a Boeing Stearman at the Imperial War Museum Duxford
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