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The Armstrong-Whitworth "Argosy": The Latest Three-Engined Commercial Airplane
Describes the utility of multi-engine aircraft with special regard to the Argosy, which will seat up to 20 passengers and who's engines turn out nearly 1200 HP. The Argosy had a top speed of 110 MPH, and a range of 400 miles.
Date:
August 1926
Creator:
unknown
System:
The UNT Digital Library
The British Klemm "Eagle" Commercial Airplane: A Low-Wing Cantilever Monoplane
Circular presenting a description of the British Klemm "Eagle", which is a low-wing commercial cantilever monoplane. Details of the components, flying qualities, design characteristics, weights and loadings, drawings, and photographs are provided.
Date:
August 1934
Creator:
unknown
System:
The UNT Digital Library
Armstrong-Whitworth A.W. 15 "Atlanta" Airplane (British): A Commercial Multiplace Cantilever Monoplane
Circular describing the Armstrong Whitworth XV "Atalanta" airplane, which is a commercial multiplace cantilever monoplane. Details of the wings, landing gear, fuselage, control surfaces, structural design, wing, engine, characteristics, drawings, and photographs are provided.
Date:
August 1932
Creator:
unknown
System:
The UNT Digital Library
The Bleriot 137 Military Airplane (French): A Twin-Engine Multiplace Monoplane
Circular presenting a description of the Blériot 137, which is a metal modification of the Bléirot 127. A description of the crew, the equipment, firing tests of the guns, and flight characteristics are provided.
Date:
August 1932
Creator:
unknown
System:
The UNT Digital Library
The Dyle and Bacalan "D.B. 80" Day Mail Airplane (French): An All-Metal High-Wing Monoplane
Report presenting a description of the Dyle and Bacalan D.B. 80 airplane, which can be used for delivering mail. Details of the wing, fuselage, tail, landing gear, fuel tanks, and flying qualities are provided.
Date:
August 1930
Creator:
unknown
System:
The UNT Digital Library
The Boeing Mail Airplane
The Boeing Mail Airplane is a biplane with cloth covered wings of wood and wire construction, a top speed of 130 MPH, and a fuel capacity of 100 gallons in two tanks.
Date:
August 1927
Creator:
unknown
System:
The UNT Digital Library
Caproni Airplane Ca 73 (Commercial) and Ca 73 ter (Military)
The Caproni 73 is a biplane with medium thick wings, a rigid central section, and with each lateral extension forming a single cell and is powered by two 500 Isotta Fraschini "Asso" Engines.
Date:
August 1927
Creator:
unknown
System:
The UNT Digital Library
Effect of Roughness on Properties of Airfoils
The first group of a large series of contemplated experiments on the effect of roughness was intended to show the effect of great roughness on airfoils of various sizes and attitudes.
Date:
August 1926
Creator:
Schrenk, O.
System:
The UNT Digital Library
Flight Measurements of the Effect of Various Amounts of Aileron Droop on the Low-Speed Lateral-Control Characteristics of an Observation Airplane
Report presenting tests of the low-speed lateral-control characteristics of an observation airplane with ailerons and spoilers in combination and with the spoilers disconnected and the ailerons used alone with various amounts of droop. The results indicated that in unstalled flight at low speeds and with flaps deflected, little or no aerodynamic benefit was derived by changing the lateral-control system from the aileron and spoiler combination to a normal aileron installation either with or without aileron droop.
Date:
August 18, 1943
Creator:
Turner, William N.
System:
The UNT Digital Library
The Short "Valetta" Commercial Seaplane (British): A High-Wing All-Metal Twin-Float Monoplane
Circular presenting the Valetta, which is a twin-float seaplane and flying boat with a power plant comprised of three Bristol "Jupiter" XI F geared engines. A description of the design, characteristics, performance, blueprints, and photographs are provided.
Date:
August 1930
Creator:
unknown
System:
The UNT Digital Library
Breguet 390 T Commercial Airplane (French): A Ten-Seat All-Steel Sesquiplane
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
Creator:
unknown
System:
The UNT Digital Library
"Levasseur 8" Transatlantic Airplane
Circular describing the Levasseur 8, which is an adaptation of a naval airplane adopted by the French Navy. Details of the wings, fuselage, landing gear, fuel, engine, and flying qualities are provided.
Date:
August 1927
Creator:
unknown
System:
The UNT Digital Library
The Wibault 220 R.N. 3 Airplane (French): A Three-Place Observation High-Wing Monoplane
Circular presenting a description of the Wibault 220 R.N. 3 airplane. A description of the design, fuselage, engines, flight characteristics, blueprints, and photographs are provided.
Date:
August 1930
Creator:
unknown
System:
The UNT Digital Library
Contribution to the Design and Calculation of Fuel Cams and Fuel Valves for Diesel Engines
In this work I have attempted to find a basis for the design of fuel cams, which will serve equally for large and small engines, both high-speed and low-speed.
Date:
August 1928
Creator:
Basu, Jatrindra Nath
System:
The UNT Digital Library
Effect of Viscosity in Speed Measurements With Double-Throat Venturi Tubes
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.
System:
The UNT Digital Library
Tables and charts of flow parameters across oblique shocks
Shock-wave equations have been evaluated for a range of Mach number in front of the shock from 1.05 to 4.0. Mach number behind the shock, pressure ratio, derivation of flow, and angle of shock are presented on charts. Values are also included for density ratio and change in entropy.
Date:
August 1948
Creator:
Neice, Mary M.
System:
The UNT Digital Library
Spartan "Cruiser" Commercial Airplane (British): A Six-Seat Low-Wing Cantilever Monoplane
Circular describing the Spartan "Cruiser", which is a six-seat low-wing cantilever commercial monoplane with three engines. Details of the construction, fuselage, wing, tail unit, power plant, fuel system, lubrication system, landing gear, controls, cabin arrangement, characteristics, performance, drawings, and photographs are provided.
Date:
August 1932
Creator:
unknown
System:
The UNT Digital Library
Effect of the Performance of a Turbosupercharged Engine of an Exhaust-Gas-to-Air Heat Exchanger for Thermal Ice Prevention
This report presents the results of a flight investigation to determine the effect on the performance of a turbosupercharged engine of an exhaust-gas-to-air heat exchanger installed between the engine-exhaust collector ring and the turbosupercharger. The background, results, and discussion of the investigation are described.
Date:
August 23, 1945
Creator:
Look, Bonne C.
System:
The UNT Digital Library
Supplement to Comparison of Automatic Control Systems
"This analysis deals with the indirect regulator, wherefrom the behavior of the direct regulator is deduced as a limiting case. The prime mover is looked upon as "independent of the load": a change in the adjusting power (to be applied) for the control link (as, for example, in relation to the adjusting path (eta) with pressure valves or the rudder of vessels) does not modify the actions of the prime mover. Mass forces and friction are discounted; "clearance" also is discounted in the transmission links of the regulator" (p. 1).
Date:
August 1941
Creator:
Oppelt, W.
System:
The UNT Digital Library
An Investigation of Aircraft Heaters 18: A Design Manual for Exhaust Gas and Air Heat Exchangers
Report presenting a summary of a series of reports regarding heat exchangers, and in particular, the design of exhaust gas and air heat exchangers. The four parts included are a summary of heat transfer equations, single pass heat exchangers, heater performance in flight, and appendicies with additional aerodynamic information.
Date:
August 1945
Creator:
Boelter, L. M. K.; Martinelli, R. C.; Romie, F. E. & Morrin, E. H.
System:
The UNT Digital Library
The Breda 32 Commercial Airplane (Italian): A Three-Engine All-Metal Low-Wing Monoplane
Circular presenting a description of the Breda 32, which is a commercial airplane with three engines and an all-metal construction. Details regarding the design, components, flight qualities, drawings, and photographs are provided.
Date:
August 1932
Creator:
unknown
System:
The UNT Digital Library
The Westland "Widgeon III": "Cirrus II or "Genet II" Engine
The Widgeon III is a parasol type monoplane. One of its strongest features was the high degree of visibility available to the pilot. A description of the design, construction, flight characteristics, blueprints, and photographs are provided.
Date:
August 1927
Creator:
unknown
System:
The UNT Digital Library
An experimental study of five annular air inlet configurations at subsonic and transonic speeds
Report presenting an investigation of an NACA 1-80-100 nose inlet fitted alternately with an elliptical, a parabolic, a 14 degree-inch conical, and a 22 degree-inch conical central body at subsonic and transonic speeds in the 8-foot transonic tunnel. Drag, surface-pressure, and pressure-recovery measurements were obtained at 0 degrees angle of attack through a range of Mach numbers. Results regarding tunnel boundary interference, surface-pressure distribution, external drag, pressure recovery, and propulsive thrust comparison are provided.
Date:
August 19, 1953
Creator:
Pendley, Robert E.; Milillo, Joseph R.; Fleming, Frank F. & Bryan, Carroll R.
System:
The UNT Digital Library
Free Flight Investigation at Transonic Speeds of the Power-on Characteristics Including Some Effects of Sonic Propulsive Jets of a Four Engine Delta Wing Configuration
Report discussing a model of a delta-wing configuration with four engines mounted two to a nacelle below the wing that was tested a variety of Mach numbers and Reynolds numbers. The wing static-pressure coefficients, wing pressure coefficients, and lift coefficient of different configurations are described.
Date:
August 16, 1957
Creator:
Falanga, Ralph A. & Judd, Joseph H.
System:
The UNT Digital Library