National Advisory Committee for Aeronautics (NACA) - 6 Matching Results

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An automatic speed control for wind tunnels

Description: Described here is an automatic control that has been used in several forms in wind tunnels at the Washington Navy Yard. The form now in use with the 8-foot tunnel at the Navy Yard is considered here. Details of the design and operation of the automatic control system are given. Leads from a Pitot tube are joined to an inverted cup manometer located above a rheostat. When the sliding weight of this instrument is set to a given notch, say for 40 m.p.h, the beam tip vibrates between two electric c… more
Date: February 1928
Creator: Zahm, A. F.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Aviation Fuels (With Especial Reference To "White Spirit")

Description: Gasoline, the fuel now used, is an extremely volatile and inflammable liquid capable of forming explosive mixtures, the cause of many catastrophes in aviation. It is therefore of special interest to investigate the possibility of using fuels which, while being less volatile than gasoline, would nevertheless enable this engine to function satisfactorily.
Date: February 1928
Creator: Dumanois, P.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Parachutes for Aircraft

Description: Report covering some characteristics of parachutes for aircraft. In order to provide the essential data on air resistance, rapidity of opening, shock stresses in opening, etc., for subsequent use, we will first give a few test results.
Date: February 1928
Creator: Müller, Waldemar
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Welding in Airplane Construction

Description: The present article attempts to explain the principles for the production of a perfect weld and to throw light on the unexplained problems. Moreover, it is intended to elucidate the possibilities of testing the strength and reliability of welded parts.
Date: February 1928
Creator: Rechtlich, A. & Schrenk, M.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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