The PZL.44 Wicher was a prototype of 14-seat, twin-engine Polish airliner, built in the Państwowe Zakłady Lotnicze in 1938. It was to compete with the DC-2 and Lockheed Super Electra.
The Wright R-1820 Cyclone 9 is an American radial engine developed by Curtiss-Wright, widely used on aircraft in the 1930s through 1950s. It was produced under license in France as the Hispano-Suiza 9
Curtiss-Wright R-1820 Cyclone Radial Engine
Wright R-1820 Cyclone 9 engine of restored Douglas DC-3 "Flagship Knoxville" at American Airlines C.R. Smith Museum