Inducted in 2020 Developed the Variable Pitch and Hydromatic Propellers 1889–1974 Frank Walker Caldwell was a leading American propeller engineer and designer. As the United States government’s chief propeller engineer, […]
Tag: Frank Caldwell
Wright Brothers National Memorial hosts virtual-only celebration event
On Thursday, December 17, 2020, Wright Brothers National Memorial, in partnership with First Flight Society, Outer Banks Forever, Dayton Aviation Heritage National Historical Park, and National Aviation Heritage Area, will honor the accomplishments of Wilbur […]