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Pressure Distribution on Fuselage of Airplane Model

Description: Memorandum describing the method of determining the pressure distribution on the fuselage, with special attention to how it is affected by the presence of the wings.
Date: February 1925
Partner: UNT Libraries Government Documents Department
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Graetzin Special Carburetor

Description: Corresponding to practical requirements, this carburetor (especially the smaller sizes) may be regarded as the smallest form of a float carburetor and is adapted for use with all small engines, including auxiliary bicycle and similar engines.
Date: February 1923
Partner: UNT Libraries Government Documents Department
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Aeronautic Instruments

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" (p. 1).
Date: February 1924
Creator: Everling, E. & Koppe, H.
Partner: UNT Libraries Government Documents Department
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"AM" Flexible Metal Joint

Description: A flexible metal joint used for connecting fuel lines is investigated and methods for assembly are included.
Date: February 1923
Partner: UNT Libraries Government Documents Department
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Fixed Air-Cooled Engines

Description: "It is proposed to analyze the advantages and disadvantages of large fixed air-cooled radial engines and to explain how the problems have been solved by the Bristol Aeroplane Company" (p. 1).
Date: February 1923
Creator: Fedden, A. H.
Partner: UNT Libraries Government Documents Department
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"Am" Gasoline Cock

Description: The "AM" cock was designed specially for gasoline pipes on vehicles using internal combustion engines (airplanes, airships, automobiles, tractors, battle "tanks", boats, etc.). The report descirbes the functioning and construction of the device.
Date: February 1923
Partner: UNT Libraries Government Documents Department
open access

Magnan Glider M-2

Description: The construction of the Magnan glider, M-2, is presented which is designed to fly in so-called horizontal winds. Details of the wings, fuselage, tail surfaces, controls, landing gear, characteristics, operation, photographs, and drawings are provided.
Date: February 1924
Creator: Lesage, M. André
Partner: UNT Libraries Government Documents Department
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Methods of experimentation with models and utilization of results

Description: The present report treats the subject of testing small models in a wind tunnel and of the methods employed for rendering the results constant, accurate and comparable with one another. Detailed experimental results are given.
Date: February 1924
Creator: Robert
Partner: UNT Libraries Government Documents Department
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Parachutes for Aircraft

Description: Report covering some characteristics of parachutes for aircraft. In order to provide the essential data on air resistance, rapidity of opening, shock stresses in opening, etc., for subsequent use, we will first give a few test results.
Date: February 1928
Creator: Müller, Waldemar
Partner: UNT Libraries Government Documents Department
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Technical Section of Aeronautics

Description: The duties of the Technical Section are listed along with facilities for testing. Different categories of tests are discussed and some sample results included.
Date: February 1923
Creator: Lesage, André
Partner: UNT Libraries Government Documents Department
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Researches on ailerons and especially on the test loads to which they should be subjected

Description: Aileron calculations have hitherto given greatly differing results according to different authors. It seems to be the general opinion that it is only necessary to give the ailerons such dimensions that the airplane can maneuver well, that the stresses they must undergo are relatively small, and that they are strong enough if their framework is of the order of strength as the wings to which they are attached. This article will show that the problem is really quite complex and that it should rece… more
Date: February 1927
Creator: Sabatier, J.
Partner: UNT Libraries Government Documents Department
open access

Longitudinal Balancing of Airplanes

Description: The object of the present communication is to determine the best method for locating the center of lift of an airplane and to provide a method for making corrections. The method employed is very simple, being based on the positions given the elevator during flights at different speeds.
Date: February 1923
Creator: Eteve, Albert
Partner: UNT Libraries Government Documents Department
open access

Specializing for Record-Breaking

Description: This report seeks to determine what constitutes airplane performance and what line should be followed in seeking to break records if the designer is given a free hand. Some of the considerations for designers include the ratio of engine power to wing area, minor refinements, low wing loading, and duration.
Date: February 1924
Creator: Warner, Edward P.
Partner: UNT Libraries Government Documents Department
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Soaring Without Rising Currents

Description: Memorandum describing the main problem of soaring flight, which is that it is difficult to maintain altitude and to engage in indefinite continuation of flight without dependence on rising currents from any source. The best chance of success involves utilizing energy stored in the air when the wind speed is constantly and rapidly varying.
Date: February 1923
Creator: Warner, Edward P.
Partner: UNT Libraries Government Documents Department
open access

Lessons of the 1922 Rhön Soaring Flights

Description: Innovations in design and technique from the Rhön soaring contest are presented in this report.
Date: February 1923
Creator: Prandtl, L.
Partner: UNT Libraries Government Documents Department
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Commercial Aviation in Germany: Past and Future

Description: This review of commercial aviation includes postal delivery, package transport, and passenger transport. Both airplanes and airships are covered in this review.
Date: February 1921
Creator: Wronsky, W.
Partner: UNT Libraries Government Documents Department
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The Aerodynamical Laboratory of the Vienna Technical High School

Description: Report presenting a description of the aerodynamics laboratory of the Vienna Technical High School. The main focus of this report is detailing some of the accomplishments that the laboratory has made.
Date: February 1922
Creator: Katzmayr, R. & Kirste, L.
Partner: UNT Libraries Government Documents Department
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Marking Airdromes

Description: Necessity of adopting for all aviation fields, civil or military, a single system of markers for giving the direction for starting and landing (with an automatic indicator of the direction of the wind) and of indicating the good part of the field.
Date: February 1922
Creator: James, P.
Partner: UNT Libraries Government Documents Department
open access

Deterioration of Airplane Fabrics

Description: The observation that airplane fabrics, after long use, lose their original strength, caused the German Experimental Institute for Aviation to carry out a series of experiments on the effect of weathering on the cloth covering of airplane wings and fuselages.
Date: February 1922
Creator: Wendt, F.
Partner: UNT Libraries Government Documents Department
open access

Aerial Transportation

Description: Report discussing 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.
Date: February 1922
Creator: Pierrot
Partner: UNT Libraries Government Documents Department
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