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The S.A.B.C.A. "S.XI" Commercial Airplane (Belgian): A High-Wing Semicantilever Monoplane

Description: Circular describing the S.A.B.C.A. S.XI commercial airplane, which is a high-wing semicantilever monoplane. Details of the history of its creation, its design, components, engines, fuel tanks, characteristics, performances, drawings, and photographs are provided.
Date: April 1932
Creator: Frachet, André
Partner: UNT Libraries Government Documents Department
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The S.P.C.A. 30 M.4 Military Airplane (French): A Multiplace Low-Wing Airplane

Description: Circular describing the S.P.C.A. 30 M.4 multiplace, which is an aircraft designed to carry four people that can be used as a fighter aircraft or a day or night bomber. Details of the design, components, engines, characteristics, performance, drawings, and photographs are provided.
Date: September 1932
Partner: UNT Libraries Government Documents Department
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On the Flow of a Compressible Fluid by the Hodography Method 1: Unification and Extension of Present-Day Results

Description: Report presenting elementary basic solutions of the equations of motion of a compressible fluid in the hodograph variables are developed and used to provide a basis for comparison in the form of velocity correction formulas, of corresponding compressible and incompressible flows.
Date: March 1944
Creator: Garrick, I. E. & Kaplan, Carl
Partner: UNT Libraries Government Documents Department
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Performance of an exhaust-gas "blowdown" turbine on a nine-cylinder radial engine

Description: Report presenting tests on an exhaust-gas turbine with four separate nozzle boxes each covering a 90 degree arc of the nozzle diaphragm and each connected to a pair of adjacent cylinders in a Pratt & Whitney R-1340-12 nine-cylinder radial engine. Results regarding the power output of the engine and turbine, effect of the turbine on engine power, turbine power output and speed characteristics, mean turbine efficiency, effect of the blowdown turbine on exhaust-gas temperature, and condition of the blowdown turbine after tests are provided.
Date: December 1944
Creator: Turner, L. Richard & Desmon, Leland G.
Partner: UNT Libraries Government Documents Department
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Nieuport-Delage 590 Military Airplane (French): A Two-Place High-Wing Cantilever Monoplane

Description: Circular presenting a description of the Nieuport-Delage 590 three-engine colonial cantilever monoplane, which meets the requirements of the program established by the French Government. Information is provided regarding the design, construction, and instruments are provided.
Date: November 1932
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
Partner: UNT Libraries Government Documents Department
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Training Airplane "Avia B.H. 11."

Description: Circular presenting a description of the Avia B.H. 11, which is a two-seat, low-wing monoplane with a plywood fuselage. The report describes the structural details and flight performance and provides blueprints and photographs of the aircraft.
Date: May 1927
Partner: UNT Libraries Government Documents Department
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The Farman Night Bombers 211 and 212 (French): Four-Engine High-Wing Monoplanes

Description: Circular presenting a description of the Farman night bombers 211 and 212, which are four-engine high-wing monoplanes that are equipped with different engines. Details of the wing structure, fuselage, tail surface and controls, landing gear, power plant, characteristics, performance, drawings, and photographs are provided.
Date: July 1932
Partner: UNT Libraries Government Documents Department
open access

Notes on the Effect of Surface Distortions on the Drag and Critical Mach Number of Airfoils

Description: "The effect of two-dimensional bumps and surface waviness on the pressure distribution over airfoils is considered. It is shown that the results of the analysis may be useful in evaluating the effects of accidental or intended surface distortions on the drag and critical Mach number of airfoils" (p. 1).
Date: September 1943
Creator: Allen, H. Julian
Partner: UNT Libraries Government Documents Department
open access

Fokker F.XX Commercial Airplane (Dutch): A High-Wing Cantilever Monoplane

Description: Circular describing the Fokker F.XX, which is a three-engine high-wing cantilever monoplane with retractable landing gear and tail wheel. Details of the wing, fuselage, cockpit, cabin, covering and cowling, control surfaces, landing gear, power plant, fuel and oil systems, characteristics, drawings, and photographs are provided.
Date: February 1934
Partner: UNT Libraries Government Documents Department
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