The Pratt & Whitney R-2180-A Twin Hornet was a radial engine developed in the United States by Pratt & Whitney. It had two rows of seven cylinders each.
Applications
Douglas DC-4E North American XB-21 Republic P-44 Rocket Saab 90 Scandia Stearman XA-21
Specifications (R-2180-A)
See also
References Notes
Bibliography
External links
Aerofiles Reciprocating Engines page https://web.archive.org/web/20160411162935/http://www.enginehistory.org/P%26W/R-2180/R-2180Index.pdf