Experimental Determination Of The Effect Of Negative Dihedral On Lateral Stability And Control Characteristics At High Lift Coefficients
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Experimental Determination Of The Effect Of Negative Dihedral On Lateral Stability And Control Characteristics At High Lift Coefficients
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Author : Marion O. McKinney
language : en
Publisher:
Release Date : 1946
Experimental Determination Of The Effect Of Negative Dihedral On Lateral Stability And Control Characteristics At High Lift Coefficients written by Marion O. McKinney and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1946 with Aerodynamics categories.
Summary: The effects of negative dihedral on lateral stability and control characteristics at high lift coefficients have been determined by flight tests of a model in the Langley free-flight tunnel. The geometric dihedral angle of the model wing was varied from 0° to -20° and the vertical-tail area, from 0 to 35 percent of the wing area. The model was flown with various combinations of dihedral angle and vertical-tail area at lift coefficients of 1.0, 1.4, and 1.8. As the effective dihedral was decreased from 0° to -15°, the model became increasingly difficult to fly. With an effective dihedral of -15° the flying characteristics were considered to be dangerous because, when there was only a slight lag in the application of corrective control following a disturbance, the unstable moments resulting from spiral instability became sufficiently large to overpower the moments of the controls so that return to straight flight was impossible. Inasmuch as full-scale airplanes because of their greater size will diverge at a slower rate than free-flight models, the amount of negative effective dihedral that would constitute a dangerous condition is expected to be greater for full-scale airplanes.
Experimental Determination Of The Effect Of Negative Dihedral On Lateral Stability And Control Characteristics At High Lift Coefficients
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Author : Langley Aeronautical Laboratory
language : en
Publisher: Hassell Street Press
Release Date : 2021-09-09
Experimental Determination Of The Effect Of Negative Dihedral On Lateral Stability And Control Characteristics At High Lift Coefficients written by Langley Aeronautical Laboratory and has been published by Hassell Street Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-09-09 with categories.
This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. To ensure a quality reading experience, this work has been proofread and republished using a format that seamlessly blends the original graphical elements with text in an easy-to-read typeface. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
A Selected Listing Of Nasa Scientific And Technical Reports For
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Author :
language : en
Publisher:
Release Date : 1949
A Selected Listing Of Nasa Scientific And Technical Reports For written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1949 with Aeronautics categories.
Index Of Naca Technical Publications
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Author : United States. National Advisory Committee for Aeronautics
language : en
Publisher:
Release Date : 1949
Index Of Naca Technical Publications written by United States. National Advisory Committee for Aeronautics and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1949 with Aeronautics categories.
Naca Wartime Report
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Author : United States. National Advisory Committee for Aeronautics
language : en
Publisher:
Release Date :
Naca Wartime Report written by United States. National Advisory Committee for Aeronautics and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on with Aeronautics categories.
Wartime Report
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Author :
language : en
Publisher:
Release Date : 194?
Wartime Report written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 194? with Aeronautics categories.
Reproductions of reports, some declassified, of research done at Langley Memorial Aeronautical Laboratory during World War II. The order of reports does not represent when they were chronologically issued. Reference to the original version of each report is included.
Index Of Naca Reports Having Application To Personal Aircraft
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Author : United States. National Advisory Committee for Aeronautics
language : en
Publisher:
Release Date : 1946
Index Of Naca Reports Having Application To Personal Aircraft written by United States. National Advisory Committee for Aeronautics and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1946 with Aeronautics categories.
Wartime Report
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Author : United States. National Advisory Committee for Aeronautics
language : en
Publisher:
Release Date :
Wartime Report written by United States. National Advisory Committee for Aeronautics and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on with Aeronautics categories.
Bibliography Of Scientific And Industrial Reports
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Author :
language : en
Publisher:
Release Date : 1949
Bibliography Of Scientific And Industrial Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1949 with Science categories.
Impact Strength And Flexural Properties Of Laminated Plastics At High And Low Temperatures
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Author : J. J. Lamb
language : en
Publisher:
Release Date : 1946
Impact Strength And Flexural Properties Of Laminated Plastics At High And Low Temperatures written by J. J. Lamb and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1946 with Aeronautics categories.
The Izod-impact strengths and flexural properties of several types of plastic laminates, which are either in use or have potential application in aircraft structures and parts, were determined at different temperatures in the range of -70 degrees to 200 degrees F.