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Hydrodynamic tests for determining the take-off characteristics of seaplanes

Description: The resistance of water, even at low speeds, may be such as to render it impossible to take off. For this type of aircraft, it is therefore especially important to determine the take-off characteristics. A new and simple graphical method is given and appears to be the only one for the complete solution of the problem.
Date: May 1923
Creator: Verduzio, R.
Partner: UNT Libraries Government Documents Department
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Carburetion in Aviation Engines

Description: This report tries to solve the problem of supplying the engine cylinders with a mixture of fuel and air in the right ratio to obtain the greatest power from the engine with the least consumption of fuel.
Date: August 1923
Creator: Poincaré
Partner: UNT Libraries Government Documents Department
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The "Turkey Buzzard" Glider

Description: The "Turkey Buzzard" is a semi-internally braced monoplane (Fig. 1). The wing is placed above the fuselage for two important aerodynamical reasons: first, because this position minimizes the mutual interference between the wing and the fuselage, and, second, useful lifting surface is utilized with the wing passing over the fuselage instead of through it.
Date: June 1923
Creator: Miller, Roy G. & Brown, B. T.
Partner: UNT Libraries Government Documents Department
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Aeronautical Record: No. 1 (to June, 1923)

Description: Memorandum presenting an overview of the development of aeronautical industries and commercial aircraft as well as some of the problems that are resulting from it. Details of the aeronautical budget in various countries, organization of the air service, material exports, and airline operations are provided.
Date: December 1923
Partner: UNT Libraries Government Documents Department
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Speed Limits of Aircraft

Description: This paper is restricted to the question of attainable speed limits and attacks the problem from different angles. Theoretical limits due to air resistance are presented along with design factors which may affect speed such as wing loads, wing areas, wing section shifting, landing speeds, drag-lift ratios, and power coefficients.
Date: May 1923
Creator: Everling, E.
Partner: UNT Libraries Government Documents Department
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Nieuport-Astra Parachute Contest

Description: Report presenting a description of a parachute design contest. The object of this contest was to obtain a parachute of light weight and small bulk, suitable for airplanes. The primary areas of focus were safety, ability to be installed on airplanes, speed, materials, and behavior of the parachutes in the air.
Date: October 1923
Creator: Philippe, J.
Partner: UNT Libraries Government Documents Department
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Possibility of Profitable Air Traffic Between Lisbon and Rio De Janeiro

Description: Different aspects of an airship line between Lisbon and Rio de Janeiro are presented. Some of the factors discussed are: the number of passengers, fuel consumption, design, itinerary, airports, flight times, and income.
Date: November 1923
Creator: Sherz, Walter
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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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
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Engines and Fuels

Description: The report considers the effect on engines of the varying types of fuels now in use. Different types of fuels are examined and the influence of physical characteristics are considered.
Date: August 1923
Partner: UNT Libraries Government Documents Department
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Vorticism in Aeronautics

Description: Since the war there has been a considerable advance in knowledge on the subject of the airfoil and its behavior. The theory is now sufficiently advanced to make it possible to predict and to calculate certain results which previously could only be attained by direct experiment. The vortex theory receives special attention.
Date: August 1923
Creator: Sayers, W. H.
Partner: UNT Libraries Government Documents Department
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"Schneebeli" and "Birger" Silencers

Description: The Schneebeli silencer is made entirely of soft sheet steel. It is connected with the engine for receiving the exhaust gases, and consists of two parts: the silencer proper and a conical exit. The Birger silencer, made by the Ad Astra Company in Switzerland, is based on the principle of rapid cooling of the exhaust gases.
Date: June 1923
Creator: Dollfus, Charles
Partner: UNT Libraries Government Documents Department
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Use of Helium in Airships

Description: Economic and safety factors are discussed in relation to a switch from hydrogen to helium in airships.
Date: June 1923
Creator: Crocco, G. Arturo
Partner: UNT Libraries Government Documents Department
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Safety Factors in Aviation

Description: A formula for calculating the safety of airplanes is given and the stresses on airplane components are calculated. Some questions regarding the information obtained from the formula and its application to safe airplane design for pilots are provided.
Date: April 1923
Creator: Bleriot, Louis
Partner: UNT Libraries Government Documents Department
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Replacing the Weight of Materials Consumed on Airships

Description: Two methods to replace the weight of gas lost on long airship flights are discussed: condensing the water of combustion and thermic sustentation. In the present article we will discuss the first method, leaving the second to be examined in a subsequent article.
Date: June 1923
Creator: Crocco, G. A.
Partner: UNT Libraries Government Documents Department
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Evolution of the Helicopter

Description: Report presenting an investigation of problems related to helicopters. Also included are the history of the evolution of the helicopter and a series of propeller experiments.
Date: March 1923
Creator: Balaban, Karl
Partner: UNT Libraries Government Documents Department
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Bibliography of Petroleum and Allied Substances in 1919 and 1920

Description: Report issued by the Bureau of Mines consisting of bibliographies for petroleum bulletins. The bibliographies for bulletins published between 1919 and 1920 are presented.
Date: January 1923
Creator: Burroughs, Elizabeth Harding
Partner: UNT Libraries Government Documents Department
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Explosives: Their Materials, Constitution, and Analysis

Description: Report issued by the Bureau of Mines over studies conducted on types of explosives. Properties, materials, and methods of different explosives are discussed. This report includes tables, and illustrations.
Date: January 1923
Creator: Taylor, Carl A. & Rinkenbach, William Henry
Partner: UNT Libraries Government Documents Department
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The Electrothermic Metallurgy of Zinc

Description: Report issued by the Bureau of Mines over the electrothermic metallurgy and smelting of zinc. Different smelting methods, processes, and equipment are presented and discussed. This report includes tables, illustrations, and photographs.
Date: May 1923
Creator: O'Harra, B. Marvel
Partner: UNT Libraries Government Documents Department
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Talc and Soapstone: Their Mining, Milling, Products and Uses

Description: Report issued by the Bureau of Mines over talc and soapstone. The different mining methods, as well as their uses are discussed. This report includes tables, illustrations, and photographs.
Date: 1923
Creator: Ladoo, Raymond B.
Partner: UNT Libraries Government Documents Department
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Timbering of Metal Mines

Description: Report issued by the Bureau of Mines over the importance of timbering in metal mines. The reasons and methods for timbering are presented and discussed. This report includes illustrations, and photographs.
Date: June 1923
Creator: Holbrook, Elmer Allen; Ageton, Richard V. & Tufft, Harry E.
Partner: UNT Libraries Government Documents Department
open access

Absorbing landing shocks

Description: Report discussing tires, steel springs, hydraulic shock absorbers, and axle travel are all examined in relation to absorbing landing shocks.
Date: August 1923
Creator: Warner, Edward P.
Partner: UNT Libraries Government Documents Department
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Inherent Stability of Helicopters

Description: The equilibrium, in still air, of a "stationary" helicopter (i.e., of one having neither vertical nor translational velocity, but a tendency to remain practically motionless within restricted limits of space) presents some difficulty in practice and justifies a theoretical investigation of its "inherent stability," i.e., independent of the pilot.
Date: October 1923
Creator: Crocco, G. Arturo
Partner: UNT Libraries Government Documents Department
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