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The American Airship ZR-3
This airship was built by the Zeppelin Airship Company at Friedrichshafen in 1923-4, for the United States Navy, as the reparations service of the German Government in fulfillment of the treaty of peace. A description of the design, components, flight characteristics, blueprints, and photographs are provided.
Date:
November 1924
Creator:
Dürr, L.
System:
The UNT Digital Library
Effect of Altitude on Power of Aviation Engines
"These notes are intended to furnish practical and general data on the effect of altitude on engine power. The effective horsepower of an engine is a function of the mean pressure of the fluid acting on the pistons, of the R.P.M. of the engine and of the mechanical efficiency" (p. 1).
Date:
November 1924
Creator:
Raffaelli, Italo
System:
The UNT Digital Library
The Simplifying Assumptions, Reducing the Strict Application of Classical Hydrodynamics to Practical Aeronautical Computations
Note presenting a general method followed to simplify the numerical work in hydrodynamics, which consists of neglecting quantities of a lower order of magnitude. Four of the solutions covered in this report include the theory of the lateral air forces on airship hulls, theory of wing sections in a two-dimensional flow, theory of wings with a finite span, and propeller theory.
Date:
November 1924
Creator:
Munk, Max M.
System:
The UNT Digital Library
Stieber Dynamometer Hub for Aircraft Propellers
The knowledge gained from previous experiments and reports was utilized for the construction of a dynamometer hub for 200 mkg (134.4 ft.-lb.) and 1200 kg (2646 lb.) thrust suited for a Liberty "12" engine. A reversing device is also described.
Date:
November 1924
Creator:
Stieber, W.
System:
The UNT Digital Library
Structural Weight of Aircraft as Affected by the System of Design
Various details of design or arrangement of the parts of airplane structures are shown and discussed, the use of these devices having resulted in the production of structures of adequate strength, yet of a weight less than one-half of the usual construction.
Date:
November 1924
Creator:
Hall, Charles Ward
System:
The UNT Digital Library
Tests on Duralumin Columns for Aircraft Construction
The following paper is based on the results of tests, upon duralumin columns, contained in two theses presented to the Department of Civil and Sanitary Engineering of the Massachusetts Institute of Technology.
Date:
November 1924
Creator:
Lee, John G.
System:
The UNT Digital Library
Two-Seat Light Airplanes Which Participated in Contest Held at Lympne, England, Week of September 29 to October 4, 1924
Memorandum presenting a description of a competition to produce an airplane suitable for school work. The characteristics evaluated included the speed range, take off, landing, reliability, and high and low speed are provided. A variety of monoplanes and biplanes were entered and a description of each and their blueprints are provided.
Date:
November 1924
Creator:
unknown
System:
The UNT Digital Library