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    The Aerodynamic Effect of a Retractable Landing Gear (1933)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: Tests were conducted in the N.A.C.A. full scale wind tunnel at the request of the Army Air Corps to determine the effect of retractable landing gear openings in the bottom surface of a wing upon the characteristics of a Lockheed Altair airplane. The tests were extended to include the determination of the lift and drag characteristics throughout the angle-of-attack range with the landing gear both retracted and extended. Covering the wheel openings in the wing with sheet metal when the wheels were extended reduced the drag only 2 percent at a lift coefficient of 1.0, which was assumed for the take-off condition. Therefore, the wheel openings in the bottom side of the wing have a negligible effect upon the take-off of the airplane. Retracting the landing gear reduced the minimum drag of the complete airplane 50 percent.
    Type: NACA-TN-456
    Format: application/pdf
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
  • 2
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    Unknown
    The Use of Wheel Brakes on Airplanes (1929)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: The results of tests to determine the effect of wheel brakes on the landing run of an airplane under conditions of load and at various wind velocities are presented.
    Type: NACA-TN-311
    Format: application/pdf
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
  • 3
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    The NACA full-scale wind tunnel (1934)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: This report gives a complete description of the full-scale wind tunnel of the National Advisory Committee for Aeronautics.
    Type: NACA-TR-459
    Format: application/pdf
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    NASA TECHNICAL REPORTS
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