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UNT Libraries Government Documents Department
Serial/Series Title:
NACA Advanced Restricted Report
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Technical Report Archive and Image Library
Comparison between calculated and measured loads on wing and horizontal tail in pull-up maneuvers
Date: October 1, 1945
Creator: Matheny, Cloyce E
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Permallink:digital.library.unt.edu/ark:/67531/metadc60868/
Comparison of an approximate and an exact method of shear-lag analysis
Date: January 1, 1944
Creator: Duberg, John E
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Permallink:digital.library.unt.edu/ark:/67531/metadc61299/
A comparison of analytically and experimentally determined isothermal pressure losses in a heat-exchanger installation
Date: May 1, 1945
Creator: Hillendahl, Wesley H
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Permallink:digital.library.unt.edu/ark:/67531/metadc62492/
Comparison of tail and wing-tip spin-recovery parachutes as determined by tests in the Langley 20-foot free-spinning tunnel
Date: March 1, 1946
Creator: Malvestuto, Frank S , Jr
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Permallink:digital.library.unt.edu/ark:/67531/metadc61236/
A comparison of the effects of four-blade dual- and single-rotation propellers on the stability and control characteristics of a high-powered single-engine airplane
Date: June 1, 1944
Creator: Wick, Bradford M
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Permallink:digital.library.unt.edu/ark:/67531/metadc61064/
A comparison of two flight-test procedures for the determination of aileron control capabilities of an airplane
Date: July 1, 1945
Creator: Skoog, Richard B
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Permallink:digital.library.unt.edu/ark:/67531/metadc61622/
Comparison of Wind-Tunnel and Flight Measurements of Stability and Control Characteristics of a Douglas A-26 Airplane
Date: March 1, 1946
Creator: Koven, William
Description: Tests in Langley pressure tunnel of model XA-26 bomber were compared with those of A-26B (twin-engine attack bomber) and showed that static longitudinal stability, indicated by elevator-fixed neutral points, and variation of elevator deflection in straight and turning flight were good. Airplane possessed improved stability at low speeds which was attributed to pronounced stalling at root of production wing. At rudder-force reversal at speeds higher than those in flight tests, agreement in rudder-fixed and rudder-free static directional stability was good. Hinge moment obtained at zero sideslip was satisfactory for determining aileron forces in sideslip.
Contributing Partner: UNT Libraries Government Documents Department
Permallink:digital.library.unt.edu/ark:/67531/metadc61049/
Comparisons of methods of computing bending moments in helicopter rotor blades in the plane of flapping
Date: August 1, 1945
Creator: Luecker, Arthur R
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Permallink:digital.library.unt.edu/ark:/67531/metadc61840/
Compressibility Effects on Heat Transfer and Pressure Drop in Smooth Cylindrical Tubes
Date: October 1, 1944
Creator: Nielsen, Jack N
Description: An analysis is made to simplify pressure-drop calculations for nonadiabatic and adiabatic friction flow of air in smooth cylindrical tubes when the density changes due to heat transfer and pressure drop are appreciable. Solutions of the equation of motion are obtained by the use of Reynolds' analogy between heat transfer and skin friction. Charts of the solutions are presented for making pressure-drop calculations. A technique of using the charts to determine the position of a normal shock in a tube is described.
Contributing Partner: UNT Libraries Government Documents Department
Permallink:digital.library.unt.edu/ark:/67531/metadc62449/
Compressive Strength of Flat Panels with Z- and Hat-Section Stiffeners
Date: June 1, 1944
Creator: Kotanchik, Joseph
Description: Compression tests were conducted on 247 panels with Z-section stiffeners and 304 panels with hat-section stiffeners. Specimens were constructed from artificially aged Alclad 24S aluminum alloy with minimum guaranteed yield strengths of 64 and 57 ksi for stiffeners and sheet materials, respectively. Height, thickness, and spacing of stiffeners, sheet thickness, and length of specimens were varied systematically to show effects of changes in these dimensions on panel strength. Results show average stresses at buckling load and maximum load.
Contributing Partner: UNT Libraries Government Documents Department
Permallink:digital.library.unt.edu/ark:/67531/metadc60958/