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  Partner: UNT Libraries Government Documents Department
 Decade: 1920-1929
 Serial/Series Title: NACA Technical Memorandums
 Collection: National Advisory Committee for Aeronautics Collection
The 1000 HP traffic airplane of the Zeppelin Works in Staaken

The 1000 HP traffic airplane of the Zeppelin Works in Staaken

Date: September 1921
Creator: Rohrbach, A K
Description: None
Contributing Partner: UNT Libraries Government Documents Department
The 1926 German seaplane contest

The 1926 German seaplane contest

Date: March 1928
Creator: Seewald, F; Blenk, H & Liebers, F
Description: The report discusses the problem of rating the various seaplane designs from the 1926 seaplane contest. The whole process of rating consists in measuring the climbing speed, flying weight and carrying capacity of a seaplane and then using these data as the basis of a construction problem.
Contributing Partner: UNT Libraries Government Documents Department
Abacus for the reduction of English measures to the metric system and vice versa

Abacus for the reduction of English measures to the metric system and vice versa

Date: July 1921
Creator: Tenani, Mario
Description: This report presents a description of the abacus as well as construction details. There is also a detailed description on how to use the abacus.
Contributing Partner: UNT Libraries Government Documents Department
Abacus giving the variation of the mean pressure of an aviation engine as a function of its speed of rotation

Abacus giving the variation of the mean pressure of an aviation engine as a function of its speed of rotation

Date: March 1921
Creator: Margoulis, W
Description: Comparing the results of the calculations for computing the mean pressure of an aviation engine for any number of revolutions, with those of experiment, the writer, by numerous examples, shows the perfect agreement between them. This report will show that, by means of a special abacus, an engineer can instantly plot the characteristics of an engine.
Contributing Partner: UNT Libraries Government Documents Department
Absorbing landing shocks

Absorbing landing shocks

Date: August 1923
Creator: Warner, Edward P
Description: Tires, steel springs, hydraulic shock absorbers, and axle travel are all examined in relation to absorbing landing shocks.
Contributing Partner: UNT Libraries Government Documents Department
Aerial convention of October 13, 1919

Aerial convention of October 13, 1919

Date: May 1, 1922
Creator: Roper,
Description: The aerial convention delegates are listed as well as the set of rules that were developed during the session.
Contributing Partner: UNT Libraries Government Documents Department
Aerial navigation by dead reckoning

Aerial navigation by dead reckoning

Date: July 1, 1922
Creator: Maffert, Pierre
Description: The problem to be solved, as presented to the pilot or observer of an aircraft, is as follows: The aircraft starting from A must land at B, the only data being the speed of the airplane, the altitude and the orientation D of the course. The above data would be amply sufficient, were it not for the fact that the airplane is constantly subjected to a wind of variable direction and strength.
Contributing Partner: UNT Libraries Government Documents Department
Aerial navigation : on the problem of guiding aircraft in a fog or by night when there is no visibility

Aerial navigation : on the problem of guiding aircraft in a fog or by night when there is no visibility

Date: January 1, 1922
Creator: Loth, William
Description: The use of magnetic fields and wire to navigate aircraft in conditions of poor visibility is presented. This field may be considered to be derived from a double lemniscate, considered in the particular case where the origin is a double point formed from the magnetic field of the slack wire, from the field produced by the return currents and from the field due to the currents induced in the conducting mass. These fields are dephased in two ways, one in the direction of the wire, the other in a direction perpendicular to it.
Contributing Partner: UNT Libraries Government Documents Department
Aerial photography : obtaining a true perspective

Aerial photography : obtaining a true perspective

Date: April 1, 1923
Creator: unknown
Description: A demonstration was given within the last few days at the British Museum by Mr. J. W. Gordon, author of "Generalized Linear Perspective" (Constable and Co.), a work describing a newly-worked-out system by which photographs can be made available for the purpose of exactly recording the dimensions of the objects photographed even when the objects themselves are presented foreshortened in the photograph.
Contributing Partner: UNT Libraries Government Documents Department
Aerial transportation

Aerial transportation

Date: February 1, 1922
Creator: PIERROT
Description: The origin of air traffic dates from the war. The important development of aeronautic industries and the progress made in recent years, under the impelling force of circumstances, rendered it possible, after the close of hostilities, to consider the practical utilization of this new means of economic expansion.
Contributing Partner: UNT Libraries Government Documents Department
Aero dopes and varnishes

Aero dopes and varnishes

Date: July 1, 1927
Creator: Britton, H T S
Description: Before proceeding to discuss the preparation of dope solutions, it will be necessary to consider some of the essential properties which should be possessed of a dope film, deposited in and on the surface of an aero fabric. The first is that it should tighten the material and second it should withstand weathering.
Contributing Partner: UNT Libraries Government Documents Department
Aerodynamic characteristics of aircraft with reference to their use

Aerodynamic characteristics of aircraft with reference to their use

Date: January 1, 1925
Creator: Panetti, M
Description: Economic and design characteristics are examined in the design of airplanes and airships.
Contributing Partner: UNT Libraries Government Documents Department
Aerodynamic characteristics of thin empirical profiles and their application to the tail surfaces and ailerons of airplanes

Aerodynamic characteristics of thin empirical profiles and their application to the tail surfaces and ailerons of airplanes

Date: December 1, 1928
Creator: Toussaint, A & Carafoli, E
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Aerodynamic computation of gliders

Aerodynamic computation of gliders

Date: September 1, 1922
Creator: Schrenk, M
Description: In the following discussion, a knowledge of the theoretical principles of airplane construction is assumed, as presented in detail by Vogt and Lippisch. A few quantities will however be otherwise designated, in accordance with the Gottingen symbols.
Contributing Partner: UNT Libraries Government Documents Department
Aerodynamic laboratory at Cuatro Vientos

Aerodynamic laboratory at Cuatro Vientos

Date: September 1, 1922
Creator: JUBERA
Description: This report presents a listing of the many experiments in aerodynamics taking place at Cuatro Vientos. Some of the studies include: testing spheres, in order to determine coefficients; mechanical and chemical tests of materials; and various tests of propeller strength and flexibility.
Contributing Partner: UNT Libraries Government Documents Department
Aerodynamic laboratory at Cuatro Vientos

Aerodynamic laboratory at Cuatro Vientos

Date: June 1, 1927
Creator: Caracciolo, Moreno
Description: This report presents a description of the design of the Cuatro Vientes wind tunnel.
Contributing Partner: UNT Libraries Government Documents Department
The Aerodynamic Laboratory of the Belgian Service Technique de L'Aeronautique

The Aerodynamic Laboratory of the Belgian Service Technique de L'Aeronautique

Date: December 1, 1924
Creator: unknown
Description: This report provides a description of the wind tunnel housing and motors.
Contributing Partner: UNT Libraries Government Documents Department
The aerodynamical laboratory of the Vienna Technical High School

The aerodynamical laboratory of the Vienna Technical High School

Date: February 1, 1922
Creator: Katzmayr, R & Kirste, L
Description: We will give here only a short explanation of the operation of the plant and deal principally with the question of what it has accomplished.
Contributing Partner: UNT Libraries Government Documents Department
Aerodynamics and ballistics

Aerodynamics and ballistics

Date: July 1, 1922
Creator: Burzio, Filippo
Description: Ballistics is a science hundreds of years old and this report is an attempt to show how these older principles can be used in the newer science of aerodynamics.
Contributing Partner: UNT Libraries Government Documents Department
Aeromechanical experimentation (wind tunnel tests)

Aeromechanical experimentation (wind tunnel tests)

Date: April 1, 1929
Creator: Katzmayr, R
Description: The following report endeavors to show that aeromechanical experimentation has become an important aid to theory.
Contributing Partner: UNT Libraries Government Documents Department
Aeronautic instruction in Germany

Aeronautic instruction in Germany

Date: November 1, 1921
Creator: Bouche, Henri
Description: This report contains a list of the courses relating to aeronautics announced in Germany, both in the technical high schools and in the universities.
Contributing Partner: UNT Libraries Government Documents Department
Aeronautic instruments

Aeronautic instruments

Date: February 1, 1924
Creator: Koppe, H & Everling, E
Description: The development of aeronautic instruments. Vibrations, rapid changes of the conditions of flight and of atmospheric conditions, influence of the air stream all call for particular design and construction of the individual instruments. This is shown by certain examples of individual instruments and of various classes of instruments for measuring pressure, change of altitude, temperature, velocity, inclination and turning or combinations of these.
Contributing Partner: UNT Libraries Government Documents Department
Aeronautic insurance

Aeronautic insurance

Date: March 1, 1922
Creator: Neal, Erik
Description: The problem of insuring the emerging commercial aeronautic industry is detailed. The author also motes that a complete solution cannot be obtained until the necessary statistics are compiled.
Contributing Partner: UNT Libraries Government Documents Department
Aeronautical museums

Aeronautical museums

Date: November 1, 1922
Creator: Warner, Edward P
Description: Different methods of presenting aeronautical artifacts are examined.
Contributing Partner: UNT Libraries Government Documents Department
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