The Cyclone 14/R-2600 is a direct development of the Cyclone 9 and had a final rating of 1525 hp at 2300 rpm., 1000 hp more than the firstof the series. The R-2600 powered the Boeing 314 Clipper, A-20 Havoc and others.
Specifications: Manufacturer’s designation Cyclone 14, military designation R-2600; 14-cylinder, air-cooled radial arranged in two rows of seven cylinders each; bore 6.1 in., stroke 6.3 in., displacement 2603 cu. in., weight 1950 lbs.
Accession no. 1992G50