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Division Of Aerodynamic Loads On A Semispan Tilting Ducted Propeller Model In Hovering And Transition Flight
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Book Synopsis Division of Aerodynamic Loads on a Semispan Tilting-ducted-propeller Model in Hovering and Transition Flight by : Kalman J. Grunwald
Download or read book Division of Aerodynamic Loads on a Semispan Tilting-ducted-propeller Model in Hovering and Transition Flight written by Kalman J. Grunwald and published by . This book was released on 1962 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Division of Aerodynamic Loads on a Semispan Tilting-ducted-propeller Model in Hovering and Transition Flight by : Kalman J. Grunwald
Download or read book Division of Aerodynamic Loads on a Semispan Tilting-ducted-propeller Model in Hovering and Transition Flight written by Kalman J. Grunwald and published by . This book was released on 1962 with total page 57 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Aerodynamic Characteristics of a Powered Semispan Tilting-shrouded-propeller VTOL Model in Hovering and Transition Flight by : Kenneth W. Goodson
Download or read book Aerodynamic Characteristics of a Powered Semispan Tilting-shrouded-propeller VTOL Model in Hovering and Transition Flight written by Kenneth W. Goodson and published by . This book was released on 1962 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt: "An investigation of the aerodynamic characteristics of a powered semispan tilting-shrouded-propeller configuration has been conducted in the 17-foot test section of the Langley 300-MPH 7- by 10-foot tunnel. The wing had an aspect ratio of 2.67 (based on wing span of 60 inches), a taper ratio of 0.67, and an NACA 2418 airfoil section with a 15-inch-diameter shrouded propeller mounted on the tip. The test results show that large nose-up pitching moments are obtained at transitional speeds of about 40 knots and duct angle of about 70°. Decelerating flight procedures further increases in the nose-up moment. Ground proximity reduces the nose-up pitching moments. The large nose-up moments can be trimmed by use of duct-exit control vanes. The results show that unloading the duct (shroud) by flying at a wing angle of attack of 15° reduces the power required by about 30 percent at 50 knots. Duct-lip stall produces large increases in power required. The results in general show that full-scale aerodynamic simulation can be made with small-scale wind-tunnel models if duct-lip separation at low Reynolds numbers is avoided."--Summary.
Download or read book NASA Technical Note written by and published by . This book was released on 1962 with total page 1022 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Technical Publications Announcements with Indexes by : United States. National Aeronautics and Space Administration
Download or read book Technical Publications Announcements with Indexes written by United States. National Aeronautics and Space Administration and published by . This book was released on 1962 with total page 1318 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Analytical Study of V/STOL Handling Qualities in Hover and Transition by : R. L. Stapleford
Download or read book An Analytical Study of V/STOL Handling Qualities in Hover and Transition written by R. L. Stapleford and published by . This book was released on 1965 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt: The hover analysis considers pilot attitude and position control tasks in the presence of horizontal gusts. The effects of each of the stability derivatives on the difficulty of the control tasks and on the closed-loop gust responses are determined. It is clearly shown that the handling qualities studies of control sensitivity and angular damping must consider the influences of M sub u (or L sub v) and should include gust inputs. These conclusions are substantiated by previous variable-stability-helicopter experiments. The effects of vehicle size and geometry are investigated by several approaches. The key result of increasing size is found to be a reduction in M sub u and L sub v which can, in turn, lower the requirements for control power and damping. The handling qualities during transition of two vehicles, a tilt duct and a tilt wing, which were previously tested on a simulator are analyzed. It is shown that both trim control and perturbations about the trim conditions must be considered. In fact, part of the increased difficulty in landing transitions, in comparison with takeoff transitions, is due to more difficult trim control; the much more stringent position control requirements in landing are also a contributing factor.
Book Synopsis Guide to Annual Subject Index for Technical Publications Announcements, Apr.-Dec. 1962 by : United States. National Aeronautics and Space Administration
Download or read book Guide to Annual Subject Index for Technical Publications Announcements, Apr.-Dec. 1962 written by United States. National Aeronautics and Space Administration and published by . This book was released on 1962 with total page 720 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :North Atlantic Treaty Organization. Advisory Group for Aeronautical Research and Development Publisher : ISBN 13 : Total Pages :130 pages Book Rating :4.E/5 ( download)
Book Synopsis VTOL-STOL Aircraft by : North Atlantic Treaty Organization. Advisory Group for Aeronautical Research and Development
Download or read book VTOL-STOL Aircraft written by North Atlantic Treaty Organization. Advisory Group for Aeronautical Research and Development and published by . This book was released on 1963 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monthly Catalog of United States Government Publications by :
Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on 1962 with total page 1990 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monthly Catalog of United States Government Publications by : United States. Superintendent of Documents
Download or read book Monthly Catalog of United States Government Publications written by United States. Superintendent of Documents and published by . This book was released on 1961 with total page 1284 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Applied Mechanics Reviews written by and published by . This book was released on 1962 with total page 1116 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monthly Catalog of United States Government Publications, Cumulative Index by : United States. Superintendent of Documents
Download or read book Monthly Catalog of United States Government Publications, Cumulative Index written by United States. Superintendent of Documents and published by . This book was released on 1980 with total page 1284 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis USAF Stability and Control Datcom by : Douglas Aircraft Company
Download or read book USAF Stability and Control Datcom written by Douglas Aircraft Company and published by . This book was released on 1975 with total page 690 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Aerodynamic Loads on an Isolated Shrouded-propeller Configuration of Angles of Attack from -10 Degrees to 110 Degrees by : Kalman J. Grunwald
Download or read book Aerodynamic Loads on an Isolated Shrouded-propeller Configuration of Angles of Attack from -10 Degrees to 110 Degrees written by Kalman J. Grunwald and published by . This book was released on 1962 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. Fluid Dynamics Panel Publisher : ISBN 13 : Total Pages :398 pages Book Rating :4.E/5 ( download)
Book Synopsis Aerodynamics of Power Plant Installation by : North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. Fluid Dynamics Panel
Download or read book Aerodynamics of Power Plant Installation written by North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. Fluid Dynamics Panel and published by . This book was released on 1965 with total page 398 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Index Aeronauticus written by and published by . This book was released on 1962 with total page 1254 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Technical Publications Announcements by : United States. National Aeronautics and Space Administration
Download or read book Technical Publications Announcements written by United States. National Aeronautics and Space Administration and published by . This book was released on 1962 with total page 624 pages. Available in PDF, EPUB and Kindle. Book excerpt:
