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  Partner: UNT Libraries Government Documents Department
 Serial/Series Title: NACA Memorandum Report
Aerodynamic Characteristics of Four Republic Airfoil Sections from Tests in Langley Two-Dimensional Low-Turbulence Tunnels

Aerodynamic Characteristics of Four Republic Airfoil Sections from Tests in Langley Two-Dimensional Low-Turbulence Tunnels

Date: September 27, 1945
Creator: Klein, Milton M.
Description: Four airfoils sections, designed by the Republic Aviation Corporation for the root and tip sections of the XF-12 airplane, were tested in the Langley two-dimensional low-turbulence tunnels to obtain their aerodynamic characteristics. Lift characteristics were obtained at Reynolds numbers of 3,000,000, 6,000,000, 9,000,000, and 14,000,000, whereas drag characteristics were obtained at Reynolds numbers of 3,000,000, 6,000,000, and 9,000,000. Pressure distributions were obtained for one of the root sections for several angles of attack at a Reynolds number of 2,600,000. Comparison of the root section that appeared best from the tests with the corresponding NACA 65-series section shows the Republic section has a higher maximum lift and higher calculated critical speeds, but a higher minimum drag. In addition, with standard roughness applied to the leading edge, the maximum lift of the Republic airfoil is lower than that of the NACA airfoil. Comparison of the Republic tip section with the corresponding NACA 65-series section shows the Republic airfoil has a lower maximum lift and a higher minimum drag than the NACA airfoil. The calculated critical speeds of the Republic section are slightly higher than those of the NACA section.
Contributing Partner: UNT Libraries Government Documents Department
Analysis and correlation of data obtained by six laboratories on fuel-vapor loss from fuel tanks during simulated flight

Analysis and correlation of data obtained by six laboratories on fuel-vapor loss from fuel tanks during simulated flight

Date: December 1, 1944
Creator: Englert, Gerald W
Description: None
Contributing Partner: UNT Libraries Government Documents Department
An analysis of the indications of the University of Chicago airborne turbulence indicator in gusty air

An analysis of the indications of the University of Chicago airborne turbulence indicator in gusty air

Date: July 1, 1946
Creator: Pratt, K G
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Analysis of V-G Records from the SNB-1 Airplane

Analysis of V-G Records from the SNB-1 Airplane

Date: July 1, 1946
Creator: Meadows, May T. & Walker, Walter G.
Description: Availability data obtained on SNB-1 trainer-class airplanes were analyzed and results presented as flight envelopes which predict occurrences of large values of air speed and acceleration. Comparison is made with SNJ-4 trainer-class airplane data analyzed by the same method. It is concluded that flight envelopes are satisfactory; that the two types show large differences in flight loads and speeds experience; and that SNB-1 will seldom, if ever, exceed design limit load factor and restricted speed, which SNJ-4 can be expected to exceed design-limit load factor and restricted speed in a very small number of flight hours.
Contributing Partner: UNT Libraries Government Documents Department
Analysis of V-G records from the SNJ-4 airplane

Analysis of V-G records from the SNJ-4 airplane

Date: December 1, 1945
Creator: Bennett, S A
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Analytical investigation of the stability of an F8F dropping model with automatic stabilization

Analytical investigation of the stability of an F8F dropping model with automatic stabilization

Date: December 1, 1945
Creator: Cohen, Doris
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Attainment of a straight-line trajectory for a preset guided missile with special reference to effect of wind or target motion

Attainment of a straight-line trajectory for a preset guided missile with special reference to effect of wind or target motion

Date: August 1, 1945
Creator: Ribner, Herbert S
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Bending and shear stresses developed by the instantaneous arrest of the root of a cantilever beam with a mass at its tip

Bending and shear stresses developed by the instantaneous arrest of the root of a cantilever beam with a mass at its tip

Date: November 1, 1944
Creator: Schmieder, Albert K
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Calculation of the aileron and elevator stick forces and rudder pedal forces for the Bell XP-83 airplane (project MX-511) in spins

Calculation of the aileron and elevator stick forces and rudder pedal forces for the Bell XP-83 airplane (project MX-511) in spins

Date: September 1, 1945
Creator: Schneiter, Leslie E
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Calibrations of service pitot tubes in the Langley 24-inch high-speed tunnel

Calibrations of service pitot tubes in the Langley 24-inch high-speed tunnel

Date: February 1, 1946
Creator: Lindsey, W F
Description: None
Contributing Partner: UNT Libraries Government Documents Department
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