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Commercial Aviation in Germany: Past and Future
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.
System:
The UNT Digital Library
Aerial Transportation
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
System:
The UNT Digital Library
The Aerodynamical Laboratory of the Vienna Technical High School
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.
System:
The UNT Digital Library
Deterioration of Airplane Fabrics
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.
System:
The UNT Digital Library
The Efficiency of a Wind Tunnel
If, by some means, a steady state of motion of a perfect fluid were established in an ideal wind tunnel, there would be no losses, and the motion would persist indefinitely. In the actual tunnel, the function of the motor-fan group is overcome by the total loss of head in the tube due to friction and eddies.
Date:
February 1922
Creator:
Miller, William H.
System:
The UNT Digital Library
Manometer for Recording Air Speed
If it is desired to record the pressure difference given a gauge, the manometer must answer the following conditions: 1) It must respond quickly so that all speed variations will be correctly recorded; 2) It must not be affected by rectilinear or curvelinear accelerations. Hence, movable parts must be counterbalanced. An instrument which met these criteria is discussed as well as details of construction.
Date:
February 1922
Creator:
Wieselsberger, C.
System:
The UNT Digital Library
Marking Airdromes
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.
System:
The UNT Digital Library
"AM" Flexible Metal Joint
A flexible metal joint used for connecting fuel lines is investigated and methods for assembly are included.
Date:
February 1923
Creator:
unknown
System:
The UNT Digital Library
"Am" Gasoline Cock
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
Creator:
unknown
System:
The UNT Digital Library
Fixed Air-Cooled Engines
"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.
System:
The UNT Digital Library
Graetzin Special Carburetor
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
Creator:
unknown
System:
The UNT Digital Library
The laboratories of the Technical Section of Aeronautics (Service Technique de L'Aeronautique or S.T.Ae.)
An historical sketch of the laboratories of the Technical Section is provided. A breakdown of the different departments and their specialties is also listed.
Date:
February 1923
Creator:
Robert
System:
The UNT Digital Library
Lessons of the 1922 Rhön Soaring Flights
Innovations in design and technique from the Rhön soaring contest are presented in this report.
Date:
February 1923
Creator:
Prandtl, L.
System:
The UNT Digital Library
Longitudinal Balancing of Airplanes
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
System:
The UNT Digital Library
Rules and Regulations of the 1922 Rhoen Soaring Flight Contest
Report presenting a description of the rules and regulations of the 1922 Rhön soaring-flight contest.
Date:
February 1923
Creator:
unknown
System:
The UNT Digital Library
Rules and Regulations of the 1922 Rhön Soaring Flight Contest
Rules, regulations, announcements and lists of personnel for the Rhön Soaring-Flight Contest are presented.
Date:
February 1923
Creator:
unknown
System:
The UNT Digital Library
Soaring Without Rising Currents
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.
System:
The UNT Digital Library
Technical Section of Aeronautics
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
System:
The UNT Digital Library
Aeronautic Instruments
"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.
System:
The UNT Digital Library
Magnan Glider M-2
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
System:
The UNT Digital Library
Methods of experimentation with models and utilization of results
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
System:
The UNT Digital Library
Specializing for Record-Breaking
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.
System:
The UNT Digital Library
Effect of Speed on Economy of Airship Traffic
The economic costs and benefits of speed on airship traffic are calculated and different factors are considered.
Date:
February 1925
Creator:
Bleistein, W.
System:
The UNT Digital Library
Light Airplanes of France, Germany, Italy, Belgium, Holland, Czechoslovakia and Lithuania
Descriptions of different models of airplanes that took part in the "Tour of France" cross-country race are listed. Each plane is described in regards to components, characteristics, flying qualities, and country of origin.
Date:
February 1925
Creator:
unknown
System:
The UNT Digital Library