What widely used on aircraft in the 1930s through 1950s was the result of the development of the M-25?
Wright R-1820 Cyclone The Wright R-1820 Cyclone 9 was an American radial engine developed by Curtiss-Wright, widely used on aircraft in the 1930s through 1950s. It was produced under license in Spain as the Hispano-Suiza 9V or Hispano-Wright 9V, and in the Soviet Union as the Shvetsov M-25.
Myasishchev M-4 The Myasishchev M-4 "Molot" (Russian: Молот (Hammer ), USAF/DoD reporting name "Type 37", NATO reporting name Bison) is a four-engined strategic bomber designed by Vladimir Myasishchev and manufactured by the Soviet Union in the 1950s to provide a Long Range Aviation bomber capable of attacking targets in North America. The Myasishchev design bureau was formed to build such a bomber.