Pratt_&_Whitney_R-2180-E_Twin_Wasp_E
Pratt & Whitney R-2180-E Twin Wasp E
American radial aircraft engine
The Pratt & Whitney R-2180-E Twin Wasp E was a radial aircraft engine developed in the United States by Pratt & Whitney. It had two rows of seven cylinders each. Its only production application was on the post-World War II Saab 90 Scandia airliner.