Search Results - Caldwell, Frank Walker

Frank W. Caldwell

Frank Walker Caldwell (1889–1974) was a leading American propeller engineer and designer. As the United States government's chief propeller engineer (1917–1928), he pioneered propeller engineering and propeller testing facilities and techniques. Working at Hamilton Standard Propeller Corporation, they won the 1933 Collier Trophy for his work on the controllable-pitch propeller. After 25 years of service, he retired in 1955 as director of the United Aircraft Corporation Research Division. Provided by Wikipedia