The Aerodynamic Wind Vane and the Inherent Stability of Airplanes

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Description

Report discussing the design of the wind vane described rests on the following line of reasoning: An airplane, originally in equilibrium about its C.G. is assumed to be deflected from this position through an angle (delta)i, the variation (delta)i being so sudden that the path of the C.G. and the airplane speed do not change while it is taking place. The aerodynamic forces acting on the wings, tail surfaces, fuselage, etc., which, as a whole, exerted a zero moment (M(sub G) = 0) about the center of gravity at the instant of equilibrium, now exert a moment M(sub G) not … continued below

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16 p. : ill.

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Lapresle, A. February 1931.

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This report is part of the collection entitled: National Advisory Committee for Aeronautics Collection and was provided by the UNT Libraries Government Documents Department to the UNT Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 459 times. More information about this report can be viewed below.

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Description

Report discussing the design of the wind vane described rests on the following line of reasoning: An airplane, originally in equilibrium about its C.G. is assumed to be deflected from this position through an angle (delta)i, the variation (delta)i being so sudden that the path of the C.G. and the airplane speed do not change while it is taking place. The aerodynamic forces acting on the wings, tail surfaces, fuselage, etc., which, as a whole, exerted a zero moment (M(sub G) = 0) about the center of gravity at the instant of equilibrium, now exert a moment M(sub G) not equal to 0.

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16 p. : ill.

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  • Accession or Local Control No: 93R23729
  • URL: http://hdl.handle.net/2060/19930094809 External Link
  • Report No.: NACA-TM-607
  • Center for AeroSpace Information Number: 19930094809
  • Archival Resource Key: ark:/67531/metadc277532

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National Advisory Committee for Aeronautics Collection

The National Advisory Committee for Aeronautics (NACA) was a U.S. federal agency founded on March 3, 1915 to undertake, promote, and institutionalize aeronautical research. On October 1, 1958 the agency was dissolved, and its assets and personnel transferred to the newly created National Aeronautics and Space Administration (NASA).

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  • February 1931

Added to The UNT Digital Library

  • March 22, 2014, 10:27 a.m.

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  • Jan. 28, 2019, 12:38 p.m.

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Lapresle, A. The Aerodynamic Wind Vane and the Inherent Stability of Airplanes, report, February 1931; (https://digital.library.unt.edu/ark:/67531/metadc277532/: accessed April 25, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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