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Investigation Of The Spin And Recovery Characteristics Of A 0 057 Scale Model Of The Modified Chance Vought Xf7u 1 Airplane
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Book Synopsis Investigation of the Spin and Recovery Characteristics of a 0. 057-Scale Model of the Modified Chance Vought Xf7u-1 Airplane by : Nasa Technical Reports Server (Ntrs)
Download or read book Investigation of the Spin and Recovery Characteristics of a 0. 057-Scale Model of the Modified Chance Vought Xf7u-1 Airplane written by Nasa Technical Reports Server (Ntrs) and published by BiblioGov. This book was released on 2013-07 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt: An investigation has been conducted in the Langley 20-foot free-spinning tunnel to determine the spin and recovery characteristics of a 0.057-scale model of the modified Chance Vought XF7U-1 airplane. The primary change in the design from that previously tested was a revision of the twin vertical tails. Tests were also made to determine the effect of installation of external wing tanks. The results indicated that the revision in the vertical tails did not greatly alter the spin and recovery characteristics of the model and recovery by normal use of controls (fill rapid rudder reversal followed approximately one-half turn later by movement of the stick forward of neutral) was satisfactory. Adding the external wing tanks to cause the recovery characteristics to become critical and border on an unsatisfactory condition; however, it was shown that satisfactory recovery could be obtained by jettisoning the tanks, followed by normal recovery technique.
Book Synopsis An Investigation of the Spin, Recovery, and Tumbling Characteristics of a 1/20-scale Model of the Northrop X-4 Airplane by : Lawrence J. Gale
Download or read book An Investigation of the Spin, Recovery, and Tumbling Characteristics of a 1/20-scale Model of the Northrop X-4 Airplane written by Lawrence J. Gale and published by . This book was released on 1950 with total page 27 pages. Available in PDF, EPUB and Kindle. Book excerpt: An investigation of the spin, recovery, and tumbling characteristics of a 1/20-scale model of the Northrop X-4 airplane has been conducted in the Langley 20-foot free-spinning tunnel. The effects of control settings and movements upon the erect and inverted spin and recovery characteristics of the model were determined for the model of loading conditions simulating various degrees of exhaustion of fuel in the airplane. An investigation was also made to determine the spin-recovery parachute requirements.
Book Synopsis Spin Investigation of a 1/29-Scale Model of the Republic Xf-91 Airplane with a Conventional Tail Installed by : Walter J. Klinar
Download or read book Spin Investigation of a 1/29-Scale Model of the Republic Xf-91 Airplane with a Conventional Tail Installed written by Walter J. Klinar and published by BiblioGov. This book was released on 2013-06 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: An investigation has been conducted in the Langley 20-foot free-spinning tunnel of a 1/29-scale model of the Republic XF-91 airplane with a.conventional-tail arrangement installed. Previously, tests were made on the model with a vee tail installed. The erect spin and recovery characteristics of the model were determined for the normal loading with the wing installed at various amounts of incidence. The spin investigation also included inverted-spin tests, spin-recovery-parachute tests, tests with the center of gravity moved rearward, and tests with external fuel tanks added to the model. In addition, several tail.modifications were tested, on the model in an attempt, to improve the model's spin-recovery characteristics. The results indicate that any fully developed spin obtained on the airplane with the conventional tail installed will be satisfactorily terminated if rudder reversal is accompanied by moving the ailerons with the spin (stick right in a right spin).Decreasing the wing incidence from 6deg to -2deg should have a beneficial effect on the recovery characteristics of the airplane. Recovery characteristics by normal use of controls (full rudder reversal followed by moving the elevators down) will be satisfactory if the wing incidence, of the airplane is -2deg. Installation of external fuel tanks (with or without fuel) will have a somewhat adverse effect on the recovery characteristics of the airplane, but if the recovery technique includes movement of the ailerons to full with the spin, the spin rotation will be terminated rapidly. Varying the position of the center of gravity within the limits indicated to be possible on the airplane should not affect the recovery characteristic
Book Synopsis Concluding Report of Free-Spinning, Tumbling, and Recovery Characteristics of a 1/18-Scale Model of the Ryan X-13 Airplane, Coord. No. Af-199 by : James S. Bowman
Download or read book Concluding Report of Free-Spinning, Tumbling, and Recovery Characteristics of a 1/18-Scale Model of the Ryan X-13 Airplane, Coord. No. Af-199 written by James S. Bowman and published by BiblioGov. This book was released on 2013-07 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: An investigation has been completed in the Langley 20-foot free-spinning tunnel on a l/18-scale model of the Ryan X-13 airplane to determine its spin, recovery, and tumbling characteristics, and to determine the minimum altitude from which a belly landing could be made in case of power failure in hovering flight. Model spin tests were conducted with and without simulated engine rotation. Tests without simulated engine rotation indicated two types of spins: one, a slightly oscillatory flat spin; and the other, a violently oscillatory spin. Tests with simulated engine rotation indicated that spins to the left were fast rotating and steep and those to the right were slow rotating and flat. The optimum technique for recovery is reversal of the rudder to against the spin and simultaneous movement of the ailerons to full with the spin followed by movement of the elevators to neutral after the spin rotation ceases. Tumbling tests made on the model indicated that although the Ryan X-13 airplane will not tumble in the ordinary sense (end-over-end pitching motion), it may instead tend to enter a wild gyrating'motion. Tests made to simulate power failure in hovering flight by dropping the model indicated that the model entered what appeared to be a right spin. An attempt should be made to stop this motion immediately by moving the rudder to oppose the rotation (left pedal), moving the ailerons to with the spin (stick right), and moving the stick forward after the spin rotation ceases to obtain flying speed for pullout. The minimum altitude required for a belly landing in case of power failure in hovering flight was indicated to be about 4,200 feet.
Book Synopsis Status of Spin Research for Recent Airplane Designs by : A. I. Neihouse
Download or read book Status of Spin Research for Recent Airplane Designs written by A. I. Neihouse and published by . This book was released on 1960 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt: The study is presented in terms of the following major problem areas: interpretation of results of spin-model research, analytical spin studies, techniques involved in obtaining measurements of various parameters in the spin, effectiveness of controls during spin and recoveries, influence of long noses, strakes, and canards on spin and recovery characteristics, and correlation of spin and recovery characteristics for recent airplane and model designs.
Book Synopsis Summary of Spin Technology as Related to Light General-aviation Airplanes by : James S. Bowman
Download or read book Summary of Spin Technology as Related to Light General-aviation Airplanes written by James S. Bowman and published by . This book was released on 1971 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt: A summary was made of all NASA (and NACA) research and experience related to the spin and recovery characteristics of light personal-owner-type general-aviation airplanes. Very little of the research deals with light general-aviation airplanes as such, but many of the airplanes and models tested before and during World War II were similar to present-day light general-aviation airplanes with regard to the factors that are important in spinning. The material is based mainly on the results of spin-tunnel tests of free-spinning dynamically scaled models of about 100 different airplane designs and, whenever possible, includes correlation with full-scale spin tests. The research results are discussed in terms of airplane design considerations and the proper use of controls for recovery.
Book Synopsis Free-Spinning-Tunnel Investigation of a 1/25-Scale Model of the Chance Vought F8U-1P Airplane by :
Download or read book Free-Spinning-Tunnel Investigation of a 1/25-Scale Model of the Chance Vought F8U-1P Airplane written by and published by . This book was released on 1959 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Analytical Investigation and Prediction of Spin and Recovery Characteristics of the North American X-15 Airplane by : William D. Grantham
Download or read book Analytical Investigation and Prediction of Spin and Recovery Characteristics of the North American X-15 Airplane written by William D. Grantham and published by . This book was released on 1960 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Spinning of Model Aircraft and the Prediction of Full-scale Spin Recovery Characteristics by : Aeronautical Research Council (Great Britain)
Download or read book The Spinning of Model Aircraft and the Prediction of Full-scale Spin Recovery Characteristics written by Aeronautical Research Council (Great Britain) and published by . This book was released on 1956 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Spin-Tunnel Investigation of a 1/28-Scale Model of the NASA F-18 High Alpha Research Vehicle (HARV) with and Without Vertical Tails by :
Download or read book Spin-Tunnel Investigation of a 1/28-Scale Model of the NASA F-18 High Alpha Research Vehicle (HARV) with and Without Vertical Tails written by and published by . This book was released on 1997 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Aircraft Relative Density on Spin and Recovery Characteristics of Some Current Configurations by : William D. Grantham
Download or read book Effects of Aircraft Relative Density on Spin and Recovery Characteristics of Some Current Configurations written by William D. Grantham and published by . This book was released on 1965 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Analytical Calculations of Spin/recovery Characteristics of a Model Fighter Aircraft by : Carlton William Carroll
Download or read book Analytical Calculations of Spin/recovery Characteristics of a Model Fighter Aircraft written by Carlton William Carroll and published by . This book was released on 1973 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Free-Spinning-Tunnel Tests of a 1/24-Scale Model of the Mcdonnell Xp-88 Airplane with a Conventional Tail by : Theodore Berman
Download or read book Free-Spinning-Tunnel Tests of a 1/24-Scale Model of the Mcdonnell Xp-88 Airplane with a Conventional Tail written by Theodore Berman and published by BiblioGov. This book was released on 2013-07 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: An investigation of the spin and recovery characteristics of a 1/24-scale model of the McDonnell XP-88 airplane has been conducted in the Langley 20-foot free-spinning tunnel. The effects of control settings and movements on the erect and inverted spin and recovery characteristics of the model in the normal loading were determined. Tests of the model in the long-range loading also were made. The investigation included tail-modification, spin-recovery parachute, pilot-escape, and rudder-pedal-force tests. Recoveries were generally satisfactory for spins in the normal loading provided the ailerons were not held against the spin. Satisfactory recoveries were obtained regardless of the aileron setting when the leading-edge flaps were deflected and normal recovery technique was used or when the horizontal tail was raised 70 inches, full scale. Recoveries were rapid from all inverted spins obtained. In the long-range loading with tanks on, it may be necessary to jettison the tanks in order to obtain recovery. A 12.0-foot spin-recovery parachute at the tail or a 4.0-foot parachute opened on the outer wing tip (drag coefficient of 0.66) was found to be effective for recoveries from demonstration spins. Test results showed that in an emergency the pilot should attempt to escape from the outboard side of the spinning airplane. The rudder-pedal forces in a spin were indicated to be within the capabilities of the pilot.
Book Synopsis A Mass-distribution Criterion for Predicting the Effect of Control Manipulation on the Recovery from a Spin by : A. I. Neihouse
Download or read book A Mass-distribution Criterion for Predicting the Effect of Control Manipulation on the Recovery from a Spin written by A. I. Neihouse and published by . This book was released on 1942 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt: Summary: Results of spin-tunnel tests of 65 models indicated that when the airplane design simulated that of the earlier single-engine type, with mass distributed chiefly along the fuselage, aileron-with and elevator-up settings aided recovery, and the rudder was the predominant control for recovery. When the design approached the design of multiengine airplanes (or the more recent single-engine airplanes with wing tanks and wing armament) with the mass distributed chiefly along the wings, however, aileron-against and elevator-down settings were conducive to the most rapid recovery and the elevator was the predominant control. The primary importance of the mass distribution of an airplane in determining its spinning characteristics is demonstrated and a useful criterion for predicting the optimum control manipulation for recovery, based on a non-dimensional mass-distribution parameter, is presented. Charts that should be useful for such predictions to both the pilot and the designer are included.
Author :United States. Congress. House. Committee on Science and Technology. Subcommittee on Investigations and Oversight Publisher : ISBN 13 : Total Pages :246 pages Book Rating :4.3/5 (91 download)
Book Synopsis Spin Recovery Training by : United States. Congress. House. Committee on Science and Technology. Subcommittee on Investigations and Oversight
Download or read book Spin Recovery Training written by United States. Congress. House. Committee on Science and Technology. Subcommittee on Investigations and Oversight and published by . This book was released on 1981 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Notes on Correlation of Model and Full-scale Spin and Recovery Characteristics by : Melvin N. Gough
Download or read book Notes on Correlation of Model and Full-scale Spin and Recovery Characteristics written by Melvin N. Gough and published by . This book was released on 1956 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Analytical Study of Effects of Product of Inertia on Airplane Spin Entries, Developed Spins, and Spin Recoveries by : Ernie L. Anglin
Download or read book Analytical Study of Effects of Product of Inertia on Airplane Spin Entries, Developed Spins, and Spin Recoveries written by Ernie L. Anglin and published by . This book was released on 1965 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:
