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The Avro "Gosport," 504 R: A New Training Airplane

Description: Circular describing the Avro Gosport 504 R, which is a new training airplane that is lighter than other Avro training airplanes but is strong enough to withstand rough handling that may be encountered in training. Details of the fuselage, construction, ailerons, tail, struts, landing gear, fuel tanks, performance, characteristics, and photographs are provided.
Date: July 1927
Partner: UNT Libraries Government Documents Department
open access

Systematic Investigation of Joukowsky Wing Sections

Description: Ackeret began systematic polar measurements on Joukowsky wing sections, which were occasionally conducted in the wind tunnel. Under these conditions a considerable number of wing sections were tested during the last four years and the tests are now more or less concluded.
Date: July 1927
Creator: Schrenk, O.
Partner: UNT Libraries Government Documents Department
open access

Experiments With Three Horizontal Empennages

Description: The main objective of these experiments was to determine how the air forces on the whole empennage are affected by varying the size of the elevator without changing the size of the whole empennage. The secondary objective was to determine how the magnitude of the air forces acting on the elevator (or the elevator moments) are affected by varying the angle of attack of the whole empennage, or of the elevator alone.
Date: July 1927
Creator: Seiferth, R.
Partner: UNT Libraries Government Documents Department
open access

Some Notes on Gasoline-Engine Development

Description: Experiments were carried out using a special engine with small glass windows and a stroboscope to record various aspects of engine performance. Valve position, supercharging, and torque recoil were all investigated with this experimental apparatus.
Date: July 1927
Creator: Ricardo, H. H.
Partner: UNT Libraries Government Documents Department
open access

Aero Dopes and Varnishes

Description: Report discussing before proceeding to discuss the preparation of dope solutions, it will be necessary to consider some of the essential properties which should be possessed of a dope film, deposited in and on the surface of an aero fabric. The first is that it should tighten the material and second it should withstand weathering.
Date: July 1927
Creator: Britton, H. T. S.
Partner: UNT Libraries Government Documents Department
open access

A Preliminary Investigation of Supercharging an Air-Cooled Engine in Flight

Description: "This report presents the results of preliminary tests made on the effects of supercharging an air-cooled engine under airplane flight conditions. Service training airplanes were used in the investigation equipped with production types of Wright J engines. A N.A.C.A. Roots type supercharger was driven from the rear of the engine. In addition to measuring those quantities that would enable the determination of the climb performance, measurements were made of the cylinder-head temperatures and th… more
Date: July 30, 1927
Creator: Ware, Marsden & Schey, Oscar W.
Partner: UNT Libraries Government Documents Department
open access

Technical Preparation of the Airplane "Spirit of St. Louis"

Description: Given here is a brief history of the design and construction of the "Spirit of St. Lewis", the airplane that Charles Lindbergh flew solo across the Atlantic. Although the plan was to modify a standard model Ryan M-2, it was quickly determined that modification was less practical than redesign. Given here are the general dimensions, specifications, weight characteristics, and man hours required to build the aircraft.
Date: July 1927
Creator: Hall, Donald A.
Partner: UNT Libraries Government Documents Department
open access

A warning concerning the take-off with heavy load

Description: "A successful take-off can be made with an airplane so heavily loaded that it cannot climb to a height greater than the span of its wings. The explanation is that the power required to maintain level flight at an altitude of the order of the wing span may be as much as 50 per cent greater than that necessary when the airplane is just clear of the ground. The failure of heavily loaded airplanes to continue climbing at the rate attained immediately after the actual take-off is a grave hazard and … more
Date: July 1927
Creator: Reid, Elliott G. & Carroll, Thomas
Partner: UNT Libraries Government Documents Department
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