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Lateral Directional Stability And Control Characteristics Of The Quiet Short Haul Research Aircraft Qsra
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Book Synopsis Lateral-directional Stability and Control Characteristics of the Quiet Short-Haul Research Aircraft (QSRA) by : Jack Dougal Stephenson
Download or read book Lateral-directional Stability and Control Characteristics of the Quiet Short-Haul Research Aircraft (QSRA) written by Jack Dougal Stephenson and published by . This book was released on 1990 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :National Aeronautics and Space Adm Nasa Publisher :Independently Published ISBN 13 :9781729005033 Total Pages :40 pages Book Rating :4.0/5 (5 download)
Book Synopsis Lateral-Directional Stability and Control Characteristics of the Quiet Short-Haul Research Aircraft (Qsra) by : National Aeronautics and Space Adm Nasa
Download or read book Lateral-Directional Stability and Control Characteristics of the Quiet Short-Haul Research Aircraft (Qsra) written by National Aeronautics and Space Adm Nasa and published by Independently Published. This book was released on 2018-10-20 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: The results are presented of flight experiments to determine the lateral-directional stability and control characteristics of the Quiet Short-Haul Research Aircraft (QSRA), an experimental aircraft designed to furnish information on various aerodynamic characteristics of a transport type of airplane that makes use of the upper-surface blown (USB) flap technology to achieve short takeoff and landing (STOL) performance. The flight program designed to acquire the data consisted of maneuvers produced by rudder and control-wheel inputs with the airplane in several configurations that had been proposed for landing approach and takeoff operation. The normal stability augmentation system was not engaged during these maneuvers. Time-history records from the maneuvers were analyzed with a parameter estimation procedure to extract lateral-directional stability and control derivatives. For one aircraft configuration in which the USB flaps were deflected 50 deg, several maneuvers were performed to determine the effects of varying the average angle of attack, varying the thrust coefficient, and setting the airplane's upper surface spoilers at a 13 deg symmetrical bias angle . The effects on the lateral characteristics of deflecting the spoilers were rather small and generally favorable. The data indicate that for one test, conducted at low thrust (a thrust coefficient of 0.38), compared with results from tests at thrust coefficients of 0.77 and larger, there was a significant decrease in the lateral control effectiveness, in the yaw damping and in the directional derivative. The directional derivative was also decreased (by about 30 percent) when the average angle of attack of the test was increased from 3 to 16 deg. Stephenson, Jack D. and Jeske, James A. and Hardy, Gordon H. Ames Research Center RTOP 505-61-71...
Book Synopsis Longitudinal Stability and Control Characteristics of the Quiet Short-Haul Research Aircraft (QSRA) by : Jack Dougal Stephenson
Download or read book Longitudinal Stability and Control Characteristics of the Quiet Short-Haul Research Aircraft (QSRA) written by Jack Dougal Stephenson and published by . This book was released on 1989 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781722344856 Total Pages :42 pages Book Rating :4.3/5 (448 download)
Book Synopsis Longitudinal Stability and Control Characteristics of the Quiet Short-Haul Research Aircraft (Qsra) by : National Aeronautics and Space Administration (NASA)
Download or read book Longitudinal Stability and Control Characteristics of the Quiet Short-Haul Research Aircraft (Qsra) written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-05 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt: Flight experiments were conducted to evaluate various aerodynamic characteristics of the Quiet Short-Haul Research Aircraft (QSRA), an experimental aircraft that makes use of the upper-surface blown (USB) powered-lift concept. Time-history records from maneuvers performed with the aircraft in landing-approach and take-off configurations (with its stability augmentation system disengaged) were analyzed to obtain longitudinal stability and control derivatives and performance characteristics. The experiments included measuring the aircraft responses to variations in the deflection of direct-lift control spoilers and to thrust variations as well as to elevator inputs. The majority of the results are given for the aircraft in a landing configuration with the USB flaps at 50 degrees. For this configuration, if the static longitudinal stability is defined as the variation of the pitching-moment coefficient with the lift coefficient at a constant thrust coefficient, this stability decreases significantly with increasing angle of attack above 9 degrees. For this configuration, at small and negative angles of attack and high levels of thrust, the elevators and the horizontal stabilizer lost effectiveness owing to incipent stalling, but this occurred only during unsteady maneuvers and for brief time intervals. Stephenson, Jack D. and Hardy, Gordon H. Ames Research Center RTOP 505-61-71...
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1990 with total page 1036 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Book Synopsis NASA Scientific and Technical Publications by :
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Book Synopsis Flight Measurements of the Lateral and Directional Stability and Control Characteristics of an Airplane Having a 36 Deg. Sweptback Wing With 40-Percent-Span Slots and a Comparison With Wind-Tunnel Data by :
Download or read book Flight Measurements of the Lateral and Directional Stability and Control Characteristics of an Airplane Having a 36 Deg. Sweptback Wing With 40-Percent-Span Slots and a Comparison With Wind-Tunnel Data written by and published by . This book was released on 1948 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Flight tests have been conducted to determine the lateral and directional stability and control characteristics of an airplane on which the wing panels are swept back 35 deg. For these tests, the wings are equipped with slots extending from 40 to 80 percent of the span of the sweptback wing panels measured from the inboard end. Wind-tunnel tests were made. of a model of the airplane and wherever possible the flight and wind-tunnel data have been compared.
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Book Synopsis Static Longitudinal, Directional, and Lateral Stability and Control Data at a Mach Number of 6.83 of the Final Configuration of the X-15 Research Airplane by : Jim A. Penland
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Book Synopsis Quiet Short-haul Research Aircraft Predicted Flight Characteristics by : Clarence C. Flora
Download or read book Quiet Short-haul Research Aircraft Predicted Flight Characteristics written by Clarence C. Flora and published by . This book was released on 1979 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government reports annual index by :
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Book Synopsis Investigation of the Dynamic Lateral Stability and Control Characteristics of a Model of a Fighter Airplane Without a Horizontal Tail and Equipped with Either Single Or Twin Vertical Tails by : John W. Draper
Download or read book Investigation of the Dynamic Lateral Stability and Control Characteristics of a Model of a Fighter Airplane Without a Horizontal Tail and Equipped with Either Single Or Twin Vertical Tails written by John W. Draper and published by . This book was released on 1949 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis NASA's Contributions to Aeronautics, Volume 2, Flight Environment ..., NASA/SP-2010-570-Vol 2, 2010, * by :
Download or read book NASA's Contributions to Aeronautics, Volume 2, Flight Environment ..., NASA/SP-2010-570-Vol 2, 2010, * written by and published by . This book was released on 2011 with total page 1070 pages. Available in PDF, EPUB and Kindle. Book excerpt:
