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.
Davis wing The Davis wing is an aircraft wing design that was used for some time on a variety of World War II aircraft, most notably a number of designs from Consolidated Aircraft, the most notable being the Consolidated B-24 Liberator. Thicker and with lower drag than most contemporary designs, it allowed high speeds and lift even at high angles of attack. Its use ended almost immediately following World War Two.