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  Partner: UNT Libraries Government Documents Department
 Collection: National Advisory Committee for Aeronautics Collection
The 5- by 7-meter wind tunnel of the DVL

The 5- by 7-meter wind tunnel of the DVL

Date: March 1, 1936
Creator: Kramer, M
Description: The report contains a description of the DVL wind tunnel. According to the cones fixed, an elliptical stream with axes 5 by 7 meters and length 9 meters, or a stream 6 by 8 meters in cross section and 11 meters in length is available. The top speed with the smaller cone is 65 meters per second. The testing equipment consists of an automatic six-component balance and a test rig for propellers and engines up to 650 horsepower.
Contributing Partner: UNT Libraries Government Documents Department
The 6-foot-4-inch wind tunnel at the Washington Navy Yard

The 6-foot-4-inch wind tunnel at the Washington Navy Yard

Date: August 1, 1935
Creator: Desmond, G L & Mccrary, J A
Description: The 6-foot-4-inch wind tunnel and its auxiliary equipment has proven itself capable of continuous and reliable output of data. The real value of the tunnel will increase as experience is gained in checking the observed tunnel performance against full-scale performance. Such has been the case of the 8- by 8-foot tunnel, and for that reason the comparison in the calibration tests have been presented.
Contributing Partner: UNT Libraries Government Documents Department
The 7 by 10 foot wind tunnel of the National Advisory Committee for Aeronautics

The 7 by 10 foot wind tunnel of the National Advisory Committee for Aeronautics

Date: January 1, 1933
Creator: Harris, Thomas A
Description: This report presents a description of the 7 by 10 foot wind tunnel and associated apparatus of the National Advisory Committee for Aeronautics. Included also are calibration test results and characteristic test data of both static force tests and autorotation tests made in the tunnel.
Contributing Partner: UNT Libraries Government Documents Department
An 8-foot axisymmetrical fixed nozzle for subsonic Mach numbers up to 0.99 and for a supersonic Mach number of 1.2

An 8-foot axisymmetrical fixed nozzle for subsonic Mach numbers up to 0.99 and for a supersonic Mach number of 1.2

Date: February 23, 1950
Creator: Ritchie, Virgil S; Wright, Ray H & Tulin, Marshall P
Description: None
Contributing Partner: UNT Libraries Government Documents Department
The 300 H.P. Benz Aircraft Engine

The 300 H.P. Benz Aircraft Engine

Date: January 1921
Creator: Heller, A.
Description: This report provides a description of the Benz 300 H.P. aircraft engine containing 12 cylinders placed at a 60° angle. It includes a detailed description of the development of the constructional points, particularly the cylinders, pistons, and connecting rods, as well as the engine fitting, lubrication, oil pumps, bearings, oil tank, fuel pump, carburetors, and cooling system. There are seven pages of illustrative figures at the end of the report.
Contributing Partner: UNT Libraries Government Documents Department
The 1000 HP traffic airplane of the Zeppelin Works in Staaken

The 1000 HP traffic airplane of the Zeppelin Works in Staaken

Date: September 1, 1921
Creator: Rohrbach, A K
Description: None
Contributing Partner: UNT Libraries Government Documents Department
The 1350 F stress-rupture properties of two wrought alloys and three cast alloys

The 1350 F stress-rupture properties of two wrought alloys and three cast alloys

Date: November 1, 1947
Creator: Reynolds, E E; Freeman, J W & White, A E
Description: None
Contributing Partner: UNT Libraries Government Documents Department
The 1926 German seaplane contest

The 1926 German seaplane contest

Date: March 1, 1928
Creator: Seewald, F; Blenk, H & Liebers, F
Description: The report discusses the problem of rating the various seaplane designs from the 1926 seaplane contest. The whole process of rating consists in measuring the climbing speed, flying weight and carrying capacity of a seaplane and then using these data as the basis of a construction problem.
Contributing Partner: UNT Libraries Government Documents Department
The 1929 Rhon soaring-flight contest

The 1929 Rhon soaring-flight contest

Date: April 1, 1930
Creator: Lippisch, Alexander
Description: The limitation of the 1929 contest to performance gliders necessitated the establishment of a formula which would make it possible to distinguish between performance gliders and school and training gliders. The sinking speed was therefore adopted as the basis for such a distinction, and the requirement was made that the sinking speed of a performance glider should not exceed 0.8 m/s. The rest of the report details the different entries with regard to design and performance.
Contributing Partner: UNT Libraries Government Documents Department
The 1933 contest for the Deutsch de la Meurthe trophy

The 1933 contest for the Deutsch de la Meurthe trophy

Date: October 1, 1933
Creator: Leglise, Pierre; Hirschauer, L & Saladin, Raymond
Description: None
Contributing Partner: UNT Libraries Government Documents Department
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