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  Partner: UNT Libraries Government Documents Department
 Decade: 1940-1949
 Year: 1942
 Month: October
 Collection: Technical Report Archive and Image Library
Aerodynamic characteristics and flap loads of the brake-flap installation on the 0.40-scale model of the F4F-3 left wing panel

Aerodynamic characteristics and flap loads of the brake-flap installation on the 0.40-scale model of the F4F-3 left wing panel

Date: October 1, 1942
Creator: Liddell, Robert B
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Aerodynamic characteristics for internal-balance and Frise type ailerons on an NACA 6 series low-drag tip section of the wing for the XP-63 airplane

Aerodynamic characteristics for internal-balance and Frise type ailerons on an NACA 6 series low-drag tip section of the wing for the XP-63 airplane

Date: October 1, 1942
Creator: Underwood, William J
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Annual Report of the Mining Division, Fiscal Year 1942

Annual Report of the Mining Division, Fiscal Year 1942

Date: October 1942
Creator: Jackson, Charles F.
Description: Report issued by the U.S. Bureau of Mines on the annual work conducted by the Mining Division during 1942. Descriptions of projects and operations during the fiscal year are listed. This report contains tables, and photographs.
Contributing Partner: UNT Libraries Government Documents Department
Beam and torsion tests of aluminum-alloy 615-T tubing

Beam and torsion tests of aluminum-alloy 615-T tubing

Date: October 1, 1942
Creator: Moore, R L
Description: Tests were made to determine the effect of length and the effect of ratios of diameter to wall thickness upon the flexural and torsional moduli of failure of 61S-T aluminum-alloy tubing. The moduli of failure in bending, as determined by tests in which the tubing was loaded on the neutral axis at the one-third points of the span, were found to bear an approximately linear relationship with diameter-thickness ratio and were practically independent of span within the limits investigated. Empirical equations are given describing the relations obtained. The moduli of failure in torsion were found to be dependent upon length as well as upon diameter-thickness ratios. Empirical equations are given for predicting strengths within the range of plastic buckling. Within the elastic range, available torsion theories were found to be satisfactory.
Contributing Partner: UNT Libraries Government Documents Department
The Compressible Potential Flow Past Elliptic Symmetrical Cylinders at Zero Angle of Attack and with No Circulation

The Compressible Potential Flow Past Elliptic Symmetrical Cylinders at Zero Angle of Attack and with No Circulation

Date: October 1, 1942
Creator: Hantzsche, W.
Description: For the tunnel corrections of compressible flows those profiles are of interest for which at least the second approximation of the Janzen-Rayleigh method can be applied in closed form. One such case is presented by certain elliptical symmetrical cylinders located in the center of a tunnel with fixed walls and whose maximum velocity, incompressible, is twice the velocity of flow. In the numerical solution the maximum velocity at the profile and the tunnel wall as well as the entry of sonic velocity is computed. The velocity distribution past the contour and in the minimum cross section at various Mach numbers is illustrated on a worked out-example.
Contributing Partner: UNT Libraries Government Documents Department
Contribution to the Design of Plywood Shells

Contribution to the Design of Plywood Shells

Date: October 1, 1942
Creator: Blumrich, S.
Description: The writer sets out to prove by calculation and experiment that by extensive utilization of the skin to carry axial load (reduction of stringer spacing) the stringer sections can be made small enough to afford a substantial saving in structural weight. This saving ranges from 5 to about 40 percent.
Contributing Partner: UNT Libraries Government Documents Department
Effect of countersunk depth on the tightness of two types of machine-countersunk rivet

Effect of countersunk depth on the tightness of two types of machine-countersunk rivet

Date: October 1, 1942
Creator: Gottlieb, Robert
Description: None
Contributing Partner: UNT Libraries Government Documents Department
The effect of dead rise upon the low-angle type of porpoising

The effect of dead rise upon the low-angle type of porpoising

Date: October 1, 1942
Creator: Lina, Lindsay J
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Elevator stick forces in spins as computed from wind-tunnel measurements

Elevator stick forces in spins as computed from wind-tunnel measurements

Date: October 1, 1942
Creator: Klinar, J W
Description: None
Contributing Partner: UNT Libraries Government Documents Department
A flight investigation of the stability of a towed body

A flight investigation of the stability of a towed body

Date: October 1, 1942
Creator: Phillips, W H
Description: None
Contributing Partner: UNT Libraries Government Documents Department
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