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Air-Flow Experiments
This report describes the apparatus used to take air-flow photographs. The photographs show chiefly the spiral course of the lines of flow near the tip of the wing. They constitute therefore a visual presentation of the phenomena covered by airfoil theory.
Date:
May 1924
Creator:
Wieselsberger, C.
System:
The UNT Digital Library
Light Airplanes Which Participated in Contest at Lympne, England, October, 1923
"The purpose of this memorandum is to present in a concise form a description, with drawings, of the most practical light airplanes participating in the meet at Lympne, England, in October, 1923. Features, which are particularly suitable for this type of aircraft, are described and a special reference is made to achievements which indicate progress and possibilities both from a commercial and a military point of view" (p. 1).
Date:
May 1924
Creator:
unknown
System:
The UNT Digital Library
Ultra-Light Alloys and Their Utilization on Aircraft
Memorandum presenting an overview of ultra-light alloys and their potential use on an aircraft. A definition of ultra-light alloys, some of the present possibilities of ultra-light alloys, and some of the principles governing the use of the alloys in aircraft are provided.
Date:
May 1924
Creator:
Portevin, A. M. & DeFleury, R.
System:
The UNT Digital Library
Wind Tunnel Tests of Correction Formula for Wings of Large Span
The theory (wing experiments in an artificial air stream are subject to error, due to the fact that the wing is not situated in an unlimited body of air) by means of which the given drag correction was obtained, was based on various assumptions (e.g., elliptical distribution of lift) which do not always hold true. For this reason it was desirable to test the equation for the additional drag in regard to its reliability and range of application.
Date:
May 1924
Creator:
Wieselsberger, C.
System:
The UNT Digital Library