Aerodynamic Characteristics of Four NACA Airfoil Sections Designed for Helicopter Rotor Blades Page: 21 of 22
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Stivers, Louis S., Jr. & Rice, Fred J., Jr. Aerodynamic Characteristics of Four NACA Airfoil Sections Designed for Helicopter Rotor Blades, report, February 1946; (https://digital.library.unt.edu/ark:/67531/metadc61378/m1/21/: accessed April 24, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.