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Aerodynamic Laboratory at Cuatro Vientos

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.
Date: September 1922
Creator: Jubera
Partner: UNT Libraries Government Documents Department
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Fatigue Resistance of Duralumin

Description: Where, in the following report, mention is made of fatigue, it always refers to the weakening of the material produced by rapidly changing stresses below the point of elasticity. The alternating stress was obtained by a test bar which was held at one end and subjected to rotation. Most of the tests were conducted on connecting rods.
Date: September 1922
Partner: UNT Libraries Government Documents Department
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Problem of Glider Models

Description: Any one endeavoring to solve the problem of soaring flight is confronted not only by structural difficulties, but also by the often far more difficult aerodynamic problem of flight properties and efficiency, which can only be determined by experimenting with the finished glider. The report primarily considers open-air experiments with glider models and some specific elements of gliders that have been studied using these experiments.
Date: September 1922
Creator: Espenlaub, Lippisch
Partner: UNT Libraries Government Documents Department
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Wind Vane With Various Applications

Description: A design for a wind vane is presented and various applications are discussed. The equations that can be used to calculate effects on the aircraft using the vane and control assistance that can be provided using the wind vane are provided.
Date: September 1922
Creator: Constantin, M. Louis
Partner: UNT Libraries Government Documents Department
open access

Giant Airplanes

Description: It is hardly possible for the most imaginative aeronautical enthusiast to look forward to a time when the airplane will have reached the dimensions commensurate with those already attained by the airship.
Date: September 1922
Creator: Warner, Edward P.
Partner: UNT Libraries Government Documents Department
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International Aspects of Air Travel

Description: This article discusses two areas of international air travel, namely, passports and customs, as well as smuggling.
Date: September 1922
Creator: Warner, Edward P.
Partner: UNT Libraries Government Documents Department
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Aerodynamic Computation of Gliders

Description: From Introduction: "In the following discussion, a knowledge of the theoretical principles of airplane construction is assumed, as presented in detail by Vogt and Lippisch in Nos. 7 and 10-19 of the 1919 volume of this publication. A few quantities will however be otherwise designated, in accordance with the Gottingen symbols."
Date: September 1922
Creator: Schrenk, M.
Partner: UNT Libraries Government Documents Department
open access

Miniature Airplanes

Description: The present report will treat only the smallest airplanes equipped with engines. The two types discussed are those airplanes with the smallest dimensions, and those that have the smallest power requirements.
Date: September 1922
Creator: Warner, Edward P.
Partner: UNT Libraries Government Documents Department
open access

The Disposal of Military Aircraft

Description: "The end of the war saw every belligerent with vast stocks of aircraft and aircraft supplies in all stages of usefulness, much of the material being absolutely new. The question of the best method of getting rid of this accumulation is one which has been agitating those responsible for its disposal for more than three years now, but no wholly satisfactory solution has yet been reached" (p. 1).
Date: September 1922
Creator: Warner, Edward P.
Partner: UNT Libraries Government Documents Department
open access

What Retards Air Transport?

Description: The decrease in air traffic on the London-Paris route is examined and possible solutions are presented.
Date: September 1922
Creator: Warner, Edward P.
Partner: UNT Libraries Government Documents Department
open access

The Prevention of Fire in the Air

Description: On an airplane, the safeguards adopted may be divided into three classes, those intended to prevent a fire from getting started, those intended to put it out if it does get under way, and, finally, those designed to limit the damage which a fire can do. Some of the fire-related elements discussed include protecting the gasoline, fire extinguishers, a flame-tight bulkhead, and airship hazards.
Date: September 1922
Creator: Warner, Edward P.
Partner: UNT Libraries Government Documents Department
open access

The Effect on Rudder Control of Slip Stream Body, and Ground Interference

Description: "This investigation was undertaken to determine the relative effects of those factors which may interfere with the rudder control of an airplane, with especial reference to the process of landing. It shows that ground interference is negligible, but that the effects of a large rounded body and of the slip stream may combine to interfere seriously with rudder control at low flying speeds and when taxiing" (p. 1).
Date: September 1922
Creator: Hoot, H. I. & Bacon, D. L.
Partner: UNT Libraries Government Documents Department
open access

Stresses Produced on an Airship Flying Through Gusty Air

Description: "The stresses produced by gusts are proportional to the speed of the airship. At highest speed they are of the same range of magnitude as the stresses during the creation of a large dynamic lift" (p. 1).
Date: September 1922
Creator: Munk, Max M.
Partner: UNT Libraries Government Documents Department
open access

Report on the General Design of Commercial Aircraft

Description: Given here are evaluations of six different European aircraft from the point of view of a passenger. The aircraft discussed are the DH 34, the Handley-Page W8B, the Farman Goliath, the Potez IX, the Spad 33 (Berline), and the Fokker F.III. The airplanes were evaluated with regard to seating comfort, ventilation, noise, seating arrangements, cabin doors, baggage accommodation, interior arrangement of cabins, pilot's position and communication with the pilot, pilot accommodations, view from the c… more
Date: September 1922
Creator: Warner, Edward P.
Partner: UNT Libraries Government Documents Department
open access

Supplementary Report of Oil Scraper Piston Rings

Description: Report presenting information based on the operating record of an engine subsequent to an overhaul related to an accident that made the results of a previous test invalid. The primary focus is on the performance of the oil-scraper piston rings in the engine and their ability to remove carbon deposits over the lifetime of the engine.
Date: September 1922
Creator: McDewell, H. S.
Partner: UNT Libraries Government Documents Department
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