Aerodynamic characteristics of four NACA airfoil sections designed for helicopter rotor blades Page: 1 of 22
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. NATIONAL ADVISORY COMMI
ITTEE FOR AERONAUTICS
February 194+6 as
Restricted Bulletin L5K02
AERODYNAMIC CHARACTERISTICS OF FOUR NACA AIRFOIL
SECTIONS DESIGNED FOR ELICOPTER ROTOR DLAIES
By Louis S. Stivers, Jr. and Fred J. Rice, Jr.
Langley Memorial Aeronautical Laboratory
Langley Field, Va.
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NACA. WARTIME REPORTS are reprints of papers originally issued to provide rapid distribution of
advance research results to an authorized group requiring them for the war effort. They were pre-
viously held under a security status but are now unclassified. Some of these reports were not tech-
nically edited. All have been reproduced without change in order to expedite general distribution.
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Rice, Fred J , Jr. Aerodynamic characteristics of four NACA airfoil sections designed for helicopter rotor blades, report, February 1946; (digital.library.unt.edu/ark:/67531/metadc61378/m1/1/: accessed January 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.