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Device for Measuring Sound in Airplane Engines

Description: Memorandum describing a device, constructed according to the system of Gati, with which it is possible to measure the sound of an engine and test the effect of a silencer.
Date: June 1924
Creator: Robrovsky, T.
Partner: UNT Libraries Government Documents Department
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A Method for the Instantaneous Determination of the Velocity and Direction of the Wind

Description: The laboratory instruments, which we often constructed with makeshift means, gave encouraging results and showed that they could satisfactorily meet the required conditions. By limiting ourselves to the employment of hot wires of 0.05 mm (0.002 in.) diameter, we obtained instruments which faithfully followed all the wind fluctuations of over 0.1 second and even much more rapid variations without any very great error.
Date: June 1924
Creator: Huguenard, E.; Magnan, A. & Planiol, A.
Partner: UNT Libraries Government Documents Department
open access

Development of Wing-Steered Messerschmitt Gliders

Description: The present article is a brief report on the development and testing of the Messerschmidt glider that set a duration record of 21 minutes. Its most conspicuous characteristic was the placing of the steering gear entirely inside the fuselage and wings.
Date: June 1924
Partner: UNT Libraries Government Documents Department
open access

Air Forces Exerted on Streamlined Bodies with Round or Square Cross- Sections, When Placed Obliquely to the Airstream

Description: "The question of behavior of a streamlined body with round or square cross-sections is of importance in determining the shape to give an airplane fuselage. It is our task here to show how the lift and drag are affected, with the object placed obliquely to the air stream" (p. 1).
Date: June 1924
Creator: Wieselsberger, C.
Partner: UNT Libraries Government Documents Department
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