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  Partner: UNT Libraries Government Documents Department
 Decade: 1940-1949
 Year: 1942
 Month: November
 Collection: Technical Report Archive and Image Library
Adjustment of stick force by a nonlinear aileron-stick linkage

Adjustment of stick force by a nonlinear aileron-stick linkage

Date: November 1, 1942
Creator: Lowry, John G
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Aerodynamic Heat-Power Engine Operating on a Closed Cycle

Aerodynamic Heat-Power Engine Operating on a Closed Cycle

Date: November 1, 1942
Creator: Ackeret, J.
Description: Hot-air engines with dynamic compressors and turbines offer new prospects of success through utilization of units of high efficiencies and through the employment of modern materials of great strength at high temperature. Particular consideration is given to an aerodynamic prime mover operating on a closed circuit and heated externally. Increase of the pressure level of the circulating air permits a great increase of limit load of the unit. This also affords a possibility of regulation for which the internal efficiency of the unit changes but slightly. The effect of pressure and temperature losses is investigated. A general discussion is given of the experimental installation operating at the Escher Wyss plant in Zurich for a considerable time at high temperatures.
Contributing Partner: UNT Libraries Government Documents Department
Comparison of Intercooler Characteristics

Comparison of Intercooler Characteristics

Date: November 1, 1942
Creator: Valerino, Michael F
Description: No abstract available.
Contributing Partner: UNT Libraries Government Documents Department
Control-motion studies of the PBM-3 flying boat in abrupt pull-ups

Control-motion studies of the PBM-3 flying boat in abrupt pull-ups

Date: November 1, 1942
Creator: Smull, Leland K
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Control of Torsional Vibrations by Pendulum Masses

Control of Torsional Vibrations by Pendulum Masses

Date: November 1, 1942
Creator: Stieglitz, Albert
Description: Various versions of pendulum masses have been developed abroad within the past few years by means of which resonant vibrations of rotating shafts can be eliminated at a given tuning. They are already successfully employed on radial engines in the form of pendulous counterweights. Compared with the commonly known torsional vibration dampers, the pendulum masses have the advantage of being structurally very simple, requiring no internal damping and being capable of completely eliminating certain vibrations. Unexplained, so far, remains the problem of behavior of pendulum masses in other critical zones to which they are not tuned, their dynamic behavior at some tuning other than in resonance, and their effect within a compound vibration system and at simultaneous application of several differently tuned pendulous masses. These problems are analyzed in the present report. The results constitute an enlargement of the scope of application of pendulum masses, especially for in-line engines. Among other things it is found that the natural frequency of a system can be raised by means of a correspondingly tuned pendulum mass. The formulas necessary for the design of any practical version are developed, and a pendulum mass having two different natural frequencies simultaneously is described.
Contributing Partner: UNT Libraries Government Documents Department
Cooling investigation of a B-24D engine-nacelle installation in the NACA full-scale tunnel

Cooling investigation of a B-24D engine-nacelle installation in the NACA full-scale tunnel

Date: November 1, 1942
Creator: Guryansky, Eugene R
Description: None
Contributing Partner: UNT Libraries Government Documents Department
The effect of exhaust-stack shape on the design and performance of the individual cylinder exhaust-gas jet-propulsion system

The effect of exhaust-stack shape on the design and performance of the individual cylinder exhaust-gas jet-propulsion system

Date: November 1, 1942
Creator: Humble, Leroy V
Description: None
Contributing Partner: UNT Libraries Government Documents Department
The electrical structure of thunderstorms

The electrical structure of thunderstorms

Date: November 1, 1942
Creator: Workman, E J
Description: The time histories of thunderstorm charge distribution during three storms occurring during the summer of 1940 in the vicinity of the Albuquerque Airport were investigated by the use of eight synchronized recording electrometers arranged in a particular pattern over a field 1.6 kilometers above sea level.
Contributing Partner: UNT Libraries Government Documents Department
Flight investigation of an NACA ice-detector suitable for use as a rate-of-icing indicator

Flight investigation of an NACA ice-detector suitable for use as a rate-of-icing indicator

Date: November 1, 1942
Creator: Jones, A R
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Flight investigation of the performance and cooling characteristics of an NACA C cowling on the XP-42 airplane

Flight investigation of the performance and cooling characteristics of an NACA C cowling on the XP-42 airplane

Date: November 1, 1942
Creator: Cavallo, Stefan A
Description: None
Contributing Partner: UNT Libraries Government Documents Department
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