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  • Aerodynamics  (1)
  • Polymer and Materials Science
  • 1950-1954
  • 1945-1949
  • 1940-1944  (1)
  • 1942  (1)
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  • 1950-1954
  • 1945-1949
  • 1940-1944  (1)
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  • 1
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    Unknown
    Tests of an NACA 66,2-420 Airfoil of 5-Foot Chord at High Speed, Special Report (1942)
    In:  CASI
    Details
    Publication Date: 2019-07-12
    Description: This report covers tests of a 5-foot model of the NACA 66,2-420 low-drag airfoil at high speeds including the critical compressibility speed. Section coefficients of lift, drag, and pitching moment, and extensive pressure-distribution data are presented. The section drag coefficient at the design lift coefficient of 0.4 increased from 0.0042 at low speeds to 0.0052 at a Mach number of 0.56 (390 mph at 25,000 ft altitude). The critical Mach number was about 0.60. The results cover a Reynold number range from 4 millions to 17 millions.
    Keywords: Aerodynamics
    Type: NACA-ACR-234 , NACA-SR-234
    Format: application/pdf
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