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Breguet Military Airplane, Type 33: A Two-Place Long-Distance Sesquiplane for Observation and Bombing

Description: Circular presenting a description of the Breguet military airplane, Type 33, which is a two-place long-distance sesquiplane made for observation and bombing. Details of the components, bomb dropping, flying qualities, design, flying qualities and performances, drawings, and photographs are provided.
Date: September 1931
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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The Dewoitine D.30 Commercial Airplane (French): A High-Wing Cantilever Monoplane

Description: Circular describing the Dewoitine D.30, which is a commercial high-wing cantilever monoplane. Details of the wing, fuselage, tail surfaces, landing gear, flight controls, electrical equipment, sending-receiving wireless installation, power plant, characteristics, performance, drawings, and photographs are provided.
Date: February 1931
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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The S.P.C.A. 40 T Commercial Airplane (French): An All-Metal Cantilever Monoplane

Description: Circular describing the S.P.C.A. 40 T, which is a commercial all-metal cantilever airplane that was guided by the two essential requirements of economy and safety in its design. Details of the design, power, test results, fuel tanks, characteristics, performances, drawings, and photographs are provided.
Date: April 1931
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Breguet 390 T Commercial Airplane (French): A Ten-Seat All-Steel Sesquiplane

Description: Circular presenting a description of the Breguet 390 T, which is a three-engine all-metal transport sesquiplane with the same structural principles as the Breguet military airplane. This aircraft design replaces a girder fuselage with an orthodox rectangular fuselage with accommodations for ten passengers and baggage. Details of the design, components, flying qualities, drawings, and photographs are provided.
Date: August 1931
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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The Mauboussin M 11 Touring Airplane (French): A Two-Place High-Wing Monoplane

Description: Circular describing the Mauboussin M 11 touring airplane, which is a two-place high-wing monoplane that is an enlargement of the M 10. Details of the wing, ailerons, fuselage, cockpit, fuel tanks, landing gear, tail, characteristics, performances, drawings, and photographs are provided.
Date: May 1931
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Polish P Type Single-Seat Fighters: All-Metal Gull-Type Wing Monoplanes

Description: Circular describing the Polish P.I and P.VIII airplanes, which are both all-metal gull-type wing monoplanes that differ in the type of engine used, their wing area, and their landing gears. Details of the components, design, differences, characteristics, load distribution, performance, drawings, and photographs are provided.
Date: March 1931
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Static Longitudinal Stability Of "Ente" Airplanes

Description: The stability conditions of Ente (duck) airplanes are investigated in this report. In developing the formulas, which afford an approximate solution, the unimportant effect of the height of the C.G. and the moment of the residual resistance are neglected. The effect of downwash from the forward horizontal empennage on the wing are also disregarded.
Date: March 1931
Creator: Kiel, Heinrich Georg
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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The Transference of Heat From a Hot Plate to an Air Stream

Description: The object of the present study was to define experimentally the field of temperature and velocity in a heated flat plate when exposed to an air stream whose direction is parallel to it, then calculate therefrom the heat transference and the friction past the flat plate, and lastly, compare the test data with the mathematical theory. To ensure comparable results, we were to actually obtain or else approximate: a) two-dimensional flow; b) constant plate temperature in the direction of the stream… more
Date: April 1931
Creator: Elias, Franz
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Clerget 100 Hp Heavy-Oil Engine

Description: A complete technical description of the Clerget heavy-oil engine is presented along with the general characteristics. The general characteristics are: 9 cylinders, bore 120 mm, stroke 130 mm, four-stroke cycle engine, rated power limited to 100 hp at 1800 rpm; weight 228 kg; propeller with direct drive and air cooling. Moving parts, engine block, and lubrication are all presented.
Date: January 1931
Creator: Léglise, Pierre
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Experiments With Airplane Brakes

Description: This report begins by examining the forces on the brake shoes. For the determination of the load distribution over the shoes it was assumed that the brake linings follow Hooke's law, are neatly fitted and bedded in by wear. The assumption of Hooke's law, that is, the proportionality between compression of the lining and the absorption of force, is fulfilled to a certain extent for the loading, as becomes apparent from the load tests described further on. But there is a material discrepancy at u… more
Date: September 1931
Creator: Michael, Franz
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Elmira Soaring Contest, 1930

Description: This report details the Elmira, New York soaring contest of 1930 and provides up-current maps, experiences in piloting, distance flights, and a few details on glider design.
Date: March 1931
Creator: Hirth, Wolfram K. E.; Schempp, Martin H. & Herrick, Jack
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Effect of Viscosity in Speed Measurements With Double-Throat Venturi Tubes

Description: In order to clarify the viscosity effect some experiments were made in the Gottigen low-pressure tunnel with the Bruhn double-throat Venturi tube. This type of tunnel makes it possible to vary the pressure and thereby the density within wide limits and consequently, to examine the viscosity effect. This, however, did not impair the results because pressure and temperature were determined at different periods.
Date: August 1931
Creator: Peters, H.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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