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 Decade: 1940-1949
 Collection: National Advisory Committee for Aeronautics Collection
A theoretical investigation of the lateral oscillations of an airplane with free rudder with special reference to the effect of friction

A theoretical investigation of the lateral oscillations of an airplane with free rudder with special reference to the effect of friction

Date: March 1, 1943
Creator: Sternfield, Leonard
Description: None
Contributing Partner: UNT Libraries Government Documents Department
The Measurement of Fuel-Air Ratio by Analysis for the Oxidized Exhaust Gas

The Measurement of Fuel-Air Ratio by Analysis for the Oxidized Exhaust Gas

Date: January 1, 1943
Creator: Gerrish, Harold C. & Meem, J. Lawrence, Jr.
Description: An investigation was made to determine a method of measuring fuel-air ratio that could be used for test purposes in flight and for checking conventional equipment in the laboratory. Two single-cylinder test engines equipped with typical commercial engine cylinders were used. The fuel-air ratio of the mixture delivered to the engines was determined by direct measurement of the quantity of air and of fuel supplied and also by analysis of the oxidized exhaust gas and of the normal exhaust gas. Five fuels were used: gasoline that complied with Army-Navy fuel Specification No. AN-VV-F-781 and four mixtures of this gasoline with toluene, benzene, and xylene. The method of determining the fuel-air ratio described in this report involves the measurement of the carbon-dioxide content of the oxidized exhaust gas and the use of graphs for the presented equation. This method is considered useful in aircraft, in the field, or in the laboratory for a range of fuel-air ratios from 0.047 to 0.124.
Contributing Partner: UNT Libraries Government Documents Department
Single-cylinder oil-control tests of porous chrome plated cylinder barrels for radial air-cooled engines

Single-cylinder oil-control tests of porous chrome plated cylinder barrels for radial air-cooled engines

Date: January 1, 1946
Creator: Swikert, Max
Description: None
Contributing Partner: UNT Libraries Government Documents Department
The flow of a compressible fluid past a curved surface

The flow of a compressible fluid past a curved surface

Date: November 1, 1943
Creator: Kaplan, Carl
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Analysis of wind-tunnel stability and control tests in terms of flying qualities in full-scale airplanes

Analysis of wind-tunnel stability and control tests in terms of flying qualities in full-scale airplanes

Date: October 1, 1943
Creator: Kayten, Gerald G
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Ultraviolet spectrochemical analysis for aromatics in aircraft fuels

Ultraviolet spectrochemical analysis for aromatics in aircraft fuels

Date: March 1, 1945
Creator: Cleaves, Alden P
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Analysis of circular shell-supported frames

Analysis of circular shell-supported frames

Date: January 1, 1944
Creator: Combs, Henry; Mignot, J E & Ensrud, A F
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Effects of some present-day airplane design trends on requirements for lateral stability

Effects of some present-day airplane design trends on requirements for lateral stability

Date: June 1, 1941
Creator: Bamber, Millard J
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Visual studies of cylinder lubrication I : the lubrication of the piston skirt

Visual studies of cylinder lubrication I : the lubrication of the piston skirt

Date: September 1, 1945
Creator: Nussdorfer, Theodore
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Fluid de-icing tests on a Chandler-Evans 1900 CPB-3 carburetor mounted on a Pratt & Whitney R-1830-C4 intermediate rear engine section

Fluid de-icing tests on a Chandler-Evans 1900 CPB-3 carburetor mounted on a Pratt & Whitney R-1830-C4 intermediate rear engine section

Date: October 1, 1944
Creator: Essex, Henry A
Description: None
Contributing Partner: UNT Libraries Government Documents Department