Frank W. Caldwell

Frank W. Caldwell
Frank W. Caldwell being congratulated on winning the 1933 Collier Trophy (visible in the background) for his work with Hamilton Standard on the controllable-pitch propeller.[1]
Born(1889-12-20)December 20, 1889[2]
Lookout Mountain, Tennessee, U.S.
DiedDecember 23, 1974(1974-12-23) (aged 85)
West Hartford, Connecticut, U.S.
EducationMechanical engineering (B.S.)
Alma materUniversity of Virginia
Massachusetts Institute of Technology
OccupationAircraft propeller engineer
Known forVariable-pitch propeller
Spouses
  • Gertrude Sweigert Heisel
  • Majorie Snodgrass
ChildrenWalter H. Caldwell (1924–2003)
Frank W. A. Caldwell (1934–1962)[2]
Parent(s)Frank Hollis Caldwell
Mary Ellis Nellie Walker
AwardsCollier Trophy (1933)
Sylvanus Albert Reed Award (1935)

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.[1] After 25 years of service, he retired in 1955 as director of the United Aircraft Corporation Research Division.[3]

  1. ^ a b "National Air & Space Museum, Franklin D Roosevelt (Franklin Delano) (1933)". {{cite journal}}: Cite journal requires |journal= (help)
  2. ^ a b "Frank Walter Caldwell Family Tree". Ancestry.com. Retrieved April 26, 2020.
  3. ^ Cite error: The named reference aiaa was invoked but never defined (see the help page).