Free Flight Investigation Of The Deployment Dynamic Stability And Control Characteristics Of A 1 12 Scale Dynamic Radio Controlled Model Of A Large Booster And Parawing
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Free Flight Investigation Of The Deployment Dynamic Stability And Control Characteristics Of A 1 12 Scale Dynamic Radio Controlled Model Of A Large Booster And Parawing
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Author : Sanger M. Burk
language : en
Publisher:
Release Date : 1963
Free Flight Investigation Of The Deployment Dynamic Stability And Control Characteristics Of A 1 12 Scale Dynamic Radio Controlled Model Of A Large Booster And Parawing written by Sanger M. Burk and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1963 with Parachutes categories.
An investigation has been conducted to determine the deployment, dynamic stability, and control characteristics of a parawing-rocket booster model using a radio-controlled free-flight technique. The parawing utilized folded rigid members. The results show that this deployment technique provides consistent transitions from essentially vertical descent at subsonic speeds with the parawing stowed on the booster to normal trimmed gliding flight with the parawing deployed. For the particular deployment configuration selected, a small drogue parachute was needed to hold the parawing away from the booster during deployment until the parawing was developing lift properly. In general, the flight characteristics of the model were fairly satisfactory for an unmanned vehicle although the model had a small constant-amplitude Dutch roll oscillation and some undesirable characteristics at the stall. The model was controllable by center-of-gravity movement but the response of the model appeared to be sluggish.
Free Flight And Wind Tunnel Studies Of Deployment Of A Dynamically And Elastically Scaled Inflatable Parawing Model
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Author : Alice T. Ferris
language : en
Publisher:
Release Date : 1968
Free Flight And Wind Tunnel Studies Of Deployment Of A Dynamically And Elastically Scaled Inflatable Parawing Model written by Alice T. Ferris and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1968 with Airplanes categories.
The deployment characteristics of a 1/8-size dynamically and elastically scaled model of an inflatable parawing suitable for the recovery of an Apollo-type spacecraft were investigated in free flight and in the Langley transonic dynamics tunnel using a model which was mounted to permit limited angular freedom. The deployments were of a passive type; that is, there was no powered reel-in or reel-out of the suspension lines. However, a braking system was used to attenuate the dynamic loads in the suspension lines. The deployment technique was developed in an initial series of wind-tunnel tests. By utilizing the equipment and technique evolved from the wind-tunnel studies, successful free-flight deployments were accomplished and the transient loads associated with the deployments were measured. These results were compared with the results of subsequent wind-tunnel tests.
Modeling Flight Nasa Latest Version
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Author : Joseph Chambers
language : en
Publisher: Joseph Chambers
Release Date : 2015-08-10
Modeling Flight Nasa Latest Version written by Joseph Chambers and has been published by Joseph Chambers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-08-10 with Science categories.
state of the art in aeronautical engineering has been continually accelerated by the development of advanced analysis and design tools. Used in the early design stages for aircraft and spacecraft, these methods have provided a fundamental understanding of physical phenomena and enabled designers to predict and analyze critical characteristics of new vehicles, including the capability to control or modify unsatisfactory behavior. For example, the relatively recent emergence and routine use of extremely power- ful digital computer hardware and software has had a major impact on design capabilities and procedures. Sophisticated new airflow measurement and visualization systems permit the analyst to conduct micro- and macro-studies of properties within flow fields on and off the surfaces of models in advanced wind tunnels. Trade studies of the most efficient geometrical shapes for aircraft can be conducted with blazing speed within a broad scope of integrated technical disciplines, and the use of sophisticated piloted simulators in the vehicle development process permits the most important segment of operations—the human pilot—to make early assessments of the acceptability of the vehicle for its intended mission. Knowledgeable applica- tions of these tools of the trade dramatically reduce risk and redesign, and increase the marketability and safety of new aerospace vehicles.
Free Flight Investigation Of The Deployment Of A Parawing Recovery Device For A Radio Controlled 1 5 Scale Dynamic Model Spacecraft
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Author : Charles E. Libby
language : en
Publisher:
Release Date : 1963
Free Flight Investigation Of The Deployment Of A Parawing Recovery Device For A Radio Controlled 1 5 Scale Dynamic Model Spacecraft written by Charles E. Libby and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1963 with Parachutes categories.
A free-flight investigation of a redio-controlled model of a manned reentry spacecraft with a telescoping rigid parawing as a recovery system was made to evaluate the deployment process and the stability and control characteristics of the configuration. Flight tests showed that the parawing could be deployed from a packaged condition, but that the deployment process must be a sequence of carefully controlled and timed events, and that some portions of the deployment should not occur at too fast a rate. The most significant single factor learned about the deployment process was that the parawing had to be slowly rotated to a lifting condition. Transition which is too fast from zero lift to maximum lift would result in a tumbling motion. After the parawing was deployed, the configuration was stable and controllable.
A Theoretical Analysis Of The Dynamic Lateral Stability And Control Of A Parawing Vehicle
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Author : Joseph R. Chambers
language : en
Publisher:
Release Date : 1966
A Theoretical Analysis Of The Dynamic Lateral Stability And Control Of A Parawing Vehicle written by Joseph R. Chambers and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1966 with Airplanes categories.
Nasa Technical Note
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Author :
language : en
Publisher:
Release Date : 1970
Nasa Technical Note written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1970 with categories.
Wind Tunnel Investigation Of Aerodynamic Characteristics Of A 1 2 Scale Model Of An Ejection Seat With A Rigid Wing Recovery System
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Author : Sanger M. Burk
language : en
Publisher:
Release Date : 1970
Wind Tunnel Investigation Of Aerodynamic Characteristics Of A 1 2 Scale Model Of An Ejection Seat With A Rigid Wing Recovery System written by Sanger M. Burk and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1970 with Pilot ejection seats categories.
A wind-tunnel investigation has been conducted in the Langley full-scale tunnel to determine the static longitudinal and l a t e r a l characteristics of a model of an ejection seat equipped with a rigid-wing recovery system. Several wing and vertical-tail arrangements were tested as well as various configurations of the ejection seat alone, ranging from unfaired to completely faired s e a t s .
Nasa S Contributions To Aeronautics Flight Environment Operations Flight Testing And Research
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Author :
language : en
Publisher:
Release Date : 2010
Nasa S Contributions To Aeronautics Flight Environment Operations Flight Testing And Research written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with Aeronautics categories.
Two-volume collection of case studies on aspects of NACA-NASA research by noted engineers, airmen, historians, museum curators, journalists, and independent scholars. Explores various aspects of how NACA-NASA research took aeronautics from the subsonic to the hypersonic era.-publisher description.
Nasa S Contributions To Aeronautics Volume 2 Flight Environment Nasa Sp 2010 570 Vol 2 2010
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Author :
language : en
Publisher:
Release Date : 2011
Nasa S Contributions To Aeronautics Volume 2 Flight Environment Nasa Sp 2010 570 Vol 2 2010 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with categories.
Monthly Catalog Of United States Government Publications
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Author : United States. Superintendent of Documents
language : en
Publisher:
Release Date : 1963
Monthly Catalog Of United States Government Publications written by United States. Superintendent of Documents and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1963 with Government publications categories.