Technical Report Archive & Image Library (TRAIL) - 121 Matching Results

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The Drawing of Experimental Curves

Description: This report presents a discussion of how to determine the location of a line or surface from experimental data. What we desire to know practically is the number of ordinates required to obtain a certain probable precision in drawing a line or surface.
Date: July 1921
Creator: Norton, F. H.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Flexible Petrol Pipe

Description: Report presenting an examination of flexible piping and some of the difficulties involved in creating satisfactory flexible pipe. The joint used to assist in the flexibility of the pipe is illustrated and described.
Date: July 1921
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Aerial navigation by dead reckoning

Description: Report discussing 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.
Date: July 1922
Creator: Maffert, Pierre
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Aerodynamics and Ballistics

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.
Date: July 1922
Creator: Burzio, Filippo
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Airplane Stability Calculations and Their Verification by Flight Tests

Description: For some time, the designers of airplanes have begun to occupy themselves with the question of longitudinal stability. In their quest to simplify calculation and data collection, the designers have attached the greatest importance to the coefficient of initial longitudinal stability. In this study a diagram was constructed from the data of the tunnel tests, which depends neither on the position of the center of gravity nor of the angle of deflection of the elevators. This diagram is constructed… more
Date: July 1922
Creator: Rota, Augusto
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Aviation in the Belgian Congo

Description: The establishment of air service in the Belgian Congo is detailed in this report. The airplanes, landing fields, and air routes are all discussed.
Date: July 1922
Creator: van Crombrugge, A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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European Air Travel in 1922

Description: This article discusses the different passenger air transport services offered in Europe. The author deals mainly with the service offered between different cities, in terms of time and cost.
Date: July 1922
Creator: Warner, Edward P.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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General Problem of the Airplane

Description: A series of equations relating to airplanes are given and examples listed. Some of the equations listed include: the speed, altitude and carrying capacity of various airplanes; weight of an airplane; weight of various parts of an airplane; the polars of the wings; speeds of airplanes; radius of action.
Date: July 1922
Creator: Richard, Maurice & Richard, Paul
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Laying out of a practical air route

Description: Unfortunately the problem of laying out an air route has been approached by all who give it consideration as one of the hardest tasks in the world. Whereas, as a matter of fact, a very serviceable air route can be laid out with an absolute minimum of ground work.
Date: July 1922
Creator: Miner, V. S. & Carroll, T.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Maritime Aviation

Description: This report presents some studies of maritime aviation which cover the following principal points: employment of landplanes on maritime aerial warfare; their adaption to peculiar requirements of the Navy; and the establishment of a method of aerial pursuit and bombardment, likewise adapted to military aviation over land.
Date: July 1922
Creator: Ravennes, Jean
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Propeller Tests on Airplanes

Description: In order to determine the efficiency of a propeller as accurately as possible, its revolution speed, thrust and power absorbed must be measured during flight. Unfortunately, these measurements can only be made with very complicated equipment. To surmount this problem the testers contented themselves with approximate results obtainable in two or three hours of flight.
Date: July 1922
Creator: Senouque, A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Resume of the Activities of the Aeronautical Experimental Institute, Rome, During the Months of May, June, July and August 1921

Description: This report is a listing of the different studies conducted by the Institute in May thru August of 1921. The aerodynamical section studied: the aerodynamical characteristics of a very thick concave-convex wing; the disturbance caused in a tunnel by the presence of a disk, placed in relation with a transversely infinite barrier; vertical pressure in a wing of low head resistance; the drag caused by two small doors in the sides of the fuselage. Some other studies conducted by the Institute includ… more
Date: July 1922
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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The Stresses in Columns Under Combined Axial and Side Loads

Description: The problem before us is to determine the total stresses in an axially loaded column of any degree of restraint which is also subject to transverse bending both from a uniformly distributed load and from concentrated loads. The solution of this problem is of special importance in the design of aircraft which consist of slender columns" (p. 1).
Date: July 1922
Creator: Arnstein, Karl & Truscott, Starr
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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This Summer's Gliding Meets

Description: This article discusses the upcoming gliding meets in France and Germany in the summer of 1922. Restrictions of design, prize money, and new innovations are all discussed.
Date: July 1922
Creator: Warner, Edward P.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Politics of Aviation Fields

Description: In short, the "politics of aviation" lies in a few propositions: the need of having as large a number of fields as possible and of sufficient area; the utilization of the larger part of the existing military fields; the selection of uncultivated or unproductive fields, whenever technical conditions permit; ability to disregard (save in exceptional cases) objections of an agricultural nature.
Date: July 23, 1922
Creator: Vivent, Jacques
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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The "Autogiro"

Description: Report presenting a description of the autogiro, which is a flying machine built and designed in Spain. A history of the device and the reasons why it is safer and more stable than a typical aircraft are provided.
Date: July 1923
Creator: Moreno-Caracciolo, M.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Control Operating Mechanisms for Airplanes

Description: The connections between the cockpit and the control surfaces are examined. An examination of the pros and cons of using stick control, the problems of control in giant aircraft, an effort to find a substitute for these controls, and a proposed concept for mechanically operated gear are provided.
Date: July 1923
Creator: Warner, Edward P.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Control Problems on Large Airplanes

Description: The development of more efficient control surfaces requiring less force to operate are presented. Some of the control surfaces explored include the De Havilland gear, Flettner rudder, and some other possible control methods.
Date: July 1923
Creator: Warner, Edward P.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Variable Pitch Propeller

Description: The advantages of variable pitch propellers over constant pitch propellers is presented along with different methods of varying the pitch. The technique of varying the shape of the propeller is presented as the most efficient one.
Date: July 1923
Creator: Pistolesi, Enrico
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Balloon Flight and Atmospheric Electricity

Description: "The air is known to be charged with electricity (chiefly positive) with reference to the earth, so that its potential increases with the altitude and the difference in potential between two points in the same vertical line, divided by the distance between them, gives a value called the "potential gradient," which may vary greatly with the altitude, the nature of the ground and the atmospheric conditions" (p. 1).
Date: July 1924
Creator: Herrera, Emilio
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Experiments on the Resistance of Airplane Wheels and Radiators

Description: Experiments were made on the resistance of four airplane wheels of different sizes and coverings and two Lamblin radiators. The results show the important influence of the wheel coverings. The closing of a shutter, which was fitted to one of the radiators, considerably lessened the resistance.
Date: July 1924
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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