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 Collection: National Advisory Committee for Aeronautics Collection
Handbook of structural stability. Part 2: Buckling of composite elements

Handbook of structural stability. Part 2: Buckling of composite elements

Date: July 1, 1957
Creator: Becker, Herbert
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Investigation of the behavior of parallel two-dimensional air jets

Investigation of the behavior of parallel two-dimensional air jets

Date: November 1, 1944
Creator: Corrsin, Stanley
Description: None
Contributing Partner: UNT Libraries Government Documents Department
The subsonic lateral and longitudinal static stability characteristics up to large angles of sideslip for a triangular-wing airplane model having a ventral fin

The subsonic lateral and longitudinal static stability characteristics up to large angles of sideslip for a triangular-wing airplane model having a ventral fin

Date: October 25, 1956
Creator: Buell, D. A.
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Effects of free-flight rocket-model booster-adapter configurations on the aerodynamic characteristics in pitch and sideslip of a swept-wing fighter airplane model at a Mach number of 2.01

Effects of free-flight rocket-model booster-adapter configurations on the aerodynamic characteristics in pitch and sideslip of a swept-wing fighter airplane model at a Mach number of 2.01

Date: March 25, 1955
Creator: Robinson, R. B.
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Effect of throat bleed on the supersonic performance of a half-conical side-inlet system

Effect of throat bleed on the supersonic performance of a half-conical side-inlet system

Date: January 10, 1956
Creator: Mc Kevitt, F. X.
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Remarks on the Pressure Distribution over the Surface of an Ellipsoid, Moving Translationally Through a Perfect Fluid

Remarks on the Pressure Distribution over the Surface of an Ellipsoid, Moving Translationally Through a Perfect Fluid

Date: June 1, 1924
Creator: Munk, Max M
Description: This note, prepared for the National Advisory Committee for Aeronautics, contains a discussion of the pressure distribution over ellipsoids when in translatory motion through a perfect fluid. An easy and convenient way to determine the magnitude of the velocity and of the pressure at each point of the surface of an ellipsoid of rotation is described. The knowledge of such pressure distribution is of great practical value for the airship designer. The pressure distribution over the nose of an airship hull is known to be in such good agreement with the theoretical distribution as to permit basing the computation of the nose stiffening structure on the theoretical distribution of pressure.
Contributing Partner: UNT Libraries Government Documents Department
On the distribution of lift along the span of an airfoil with displaced ailerons

On the distribution of lift along the span of an airfoil with displaced ailerons

Date: June 1, 1924
Creator: Munk, Max M
Description: The effect of an aileron displacement on the distribution of the lift along the span is computed for an elliptic wing of aspect ratio 6 for three conditions. The lift distribution caused by the aileron displacement is uniform and extends normally beyond the inner end of the ailerons. Hence, the displacement of an aileron with constant chord length may bring about passing the stalling point of the adjacent wing sections, if these were near this point before. Hence, such ailerons can become ineffective at low speeds. Tapering the aileron towards the inside suggests itself as a remedy.
Contributing Partner: UNT Libraries Government Documents Department
Pressure distribution on the nose of an airship in circling flight

Pressure distribution on the nose of an airship in circling flight

Date: August 1, 1925
Creator: Fairbanks, Karl J
Description: In recent tests on the pressures occurring on the envelope and control surfaces of the naval airship C-7, it was noted that the pressures on the nose of the airship, while flying in level circling flight, were symmetrically distributed. Such a condition can only occur when the nose of the airship is pointed directly into the wind, and to accomplish this in circling flight, the axis of the airship must then be parallel to the direction of the motion of the nose. The question was raised as to whether the same conditions occur generally on all airships in circling flight. It appears that airships flying in a constant, level, circling flight path will generally head very closely into the wind, and any deviation will be so slight that the distribution of pressure over the nose will be but slightly, if at all, changed from a symmetrical distribution.
Contributing Partner: UNT Libraries Government Documents Department
Micarta propellers I : materials

Micarta propellers I : materials

Date: August 1, 1924
Creator: Caldwell, F W
Description: Here, values for tension, compression edgewise of laminations, and transverse flatwise of laminations are given for Micarta made with various kinds of sheet material. The corresponding values for white oak are given for comparison. It was found by destructive and service tests that Micarta made with a good grade of cotton duck will give satisfactory service with most designs. In propellers having detachable blades, it is desirable that the root of the blade be of a small cross section to decrease the weight of the metal hub. Here the use of the special fabric or wood veneer offers advantages due to greater tensile strength. These materials, especially the wood veneer, produce stiffer blades than duck. This is also a value in controllable and reversible pitch designs where it is desirable that the plan form of the blades be symmetrical.
Contributing Partner: UNT Libraries Government Documents Department
Structural weight of aircraft as affected by the system of design

Structural weight of aircraft as affected by the system of design

Date: November 1, 1924
Creator: Hall, Charles Ward
Description: Various details of design or arrangement of the parts of airplane structures are shown and discussed, the use of these devices having resulted in the production of structures of adequate strength, yet of a weight less than one-half of the usual construction.
Contributing Partner: UNT Libraries Government Documents Department