Wright Cyclone was the name of a series of aircraft engines from the American manufacturer Curtiss-Wright . They were air-cooled radial engines that were built in four series with many sub-types and sold in large numbers.
Production of the engine began with the R-1820 E in July 1930. Production ended with the R-3350 EA in August 1962. The total number of Cyclone engines produced was 163,881 units.
- R-1300 7-cylinder radial engine
- R-1820 9-cylinder radial engine
- R-2600 14-cylinder double radial engine
- R-3350 18-cylinder double radial engine