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Stol Tactical Aircraft Investigation
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Book Synopsis STOL Tactical Aircraft Investigation. Volume V. Part I. Flight Control Technology: System Analysis and Trade Studies for a Medium STOL Transport with Vectored Thrust/Mechanical Flaps by : Kenneth J. Crandall
Download or read book STOL Tactical Aircraft Investigation. Volume V. Part I. Flight Control Technology: System Analysis and Trade Studies for a Medium STOL Transport with Vectored Thrust/Mechanical Flaps written by Kenneth J. Crandall and published by . This book was released on 1973 with total page 257 pages. Available in PDF, EPUB and Kindle. Book excerpt: A program of flight control technology applicable to an Advance Medium STOL Transport (AMST) airplane equipped with a vectored-thrust powered lift system has been conducted. Low q moment producers were evaluated. Mathematical models (control laws) of control systems suitable for the STOL landing approach were defined. The effect of control system mechanization complexity on performance, weight, cost, safety, design risk, and vulnerability to small arms fire was evaluated. A candidate control system was selected and its performance was validated using a piloted moving base simulation. While this study specifically concerned control technology for airplanes equipped with the vectored thrust form of powered lift, the results are considered to have direct application to airplanes with other forms of powered lift, such as internally blown jet flaps and upper surface blown flaps. (Author).
Book Synopsis STOL Tactical Aircraft Investigation - Externally Blown Flap by : Dirk J. Renselaer
Download or read book STOL Tactical Aircraft Investigation - Externally Blown Flap written by Dirk J. Renselaer and published by . This book was released on 1973 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt: Contents: Identification of critical STOL safety aspects; Recommended ground rules; STOL takeoff performance; STOL landing performance.
Book Synopsis STOL Tactical Aircraft Investigation. Volume VI. Air Cushion Landing System Study by : Lloyd H. Gardner
Download or read book STOL Tactical Aircraft Investigation. Volume VI. Air Cushion Landing System Study written by Lloyd H. Gardner and published by . This book was released on 1973 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt: Analyses and design studies have been conducted to determine the characteristics of an Air Cushion Landing System (ACLS) as it would be applied to an Advanced Medium STOL Transport (AMST) equipped with mechanical flaps and a vectored thrust powered lift system. It was determined that an ACLS would be feasible on an AMST type airplane, but requires a special housing arrangement which broadens the ACLS footprint area when it is deployed. Furthermore, special provisions are needed for ground handling and parking. Because it eliminates some of the concentrated loads associated with conventional landing gear, and is easily faired for low drag when retracted, the ACLS would permit a noticeable reduction in aircraft empty weight for a given mission requirement, if structural provisions for conventional landing gear are not included in the airframe. Substantial uncertainties remain unresolved especially with respect to aircraft/air cushion landing dynamics and spray/debris effects. (Author).
Book Synopsis STOL Tactical Aircraft Investigation by : Joseph Hebert
Download or read book STOL Tactical Aircraft Investigation written by Joseph Hebert and published by . This book was released on 1973 with total page 15 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis STOL Tactical Aircraft Investigation. Volume V. Flight Control Technology by :
Download or read book STOL Tactical Aircraft Investigation. Volume V. Flight Control Technology written by and published by . This book was released on 1973 with total page 347 pages. Available in PDF, EPUB and Kindle. Book excerpt: Flight control studies conducted during the STOL Tactical Aircraft Investigation by Convair Aerospace were directed toward development of flight control systems for three versions of the medium STOL transport. Baseline vehicles used for flight control studies were: externally blown flap, internally blown flap, and mechanical flap/vectored thrust configurations. Requirements of MIL-F-8785B and MIL-F-833000 for aircraft handling qualities were the guiding criteria for the control system study. The mechanization trade study concluded that fly-by-wire mechanization is preferred over the more mechanical version which requires significant fly-by-wire features to achieve the required augmentation and decoupling.
Book Synopsis STOL Tactical Aircraft Investigation. Volume IV. Analysis of Wind Tunnel Data: Vectored Thrust/Mechanical Flaps and Internally Blown Jet Flaps by : John R. Monk
Download or read book STOL Tactical Aircraft Investigation. Volume IV. Analysis of Wind Tunnel Data: Vectored Thrust/Mechanical Flaps and Internally Blown Jet Flaps written by John R. Monk and published by . This book was released on 1973 with total page 305 pages. Available in PDF, EPUB and Kindle. Book excerpt: The report presents the analysis of 728 hours of testing, conducted in the Boeing V/STOL 20 x 20 ft. Wind Tunnel, on a model of a medium STOL transport with vectored thrust and jet flap powered-lift systems. The interactions between the two powered lift systems and the basic airplane aerodynamics are presented for a systematic series of configuration changes which include sweep and nacelle location. (Modified author abstract).
Book Synopsis STOL Tactical Aircraft Investigation. Volume 1. Configuration Definition by :
Download or read book STOL Tactical Aircraft Investigation. Volume 1. Configuration Definition written by and published by . This book was released on 1973 with total page 157 pages. Available in PDF, EPUB and Kindle. Book excerpt: The overall objective of the design effort was to conduct a preliminary vehicle-sizing activity to establish baseline configurations for the STOL tactical aircraft investigation. These preliminary baselines were used for the takeoff and landing studies and as a point of departure for wind tunnel test planning and flight control technology activities. The lift/propulsion concepts studied were: Externally Blown Flap (EBF); Mechanical Flap plus Vectored Thrust (MF/VT); and Internally Blown Flap (IBF). The report summarizes the design activities for the three-month and six-month configuration reviews.
Book Synopsis STOL Tactical Aircraft Investigation -- Externally Blown Flap. Volume I. Configuration Definition by :
Download or read book STOL Tactical Aircraft Investigation -- Externally Blown Flap. Volume I. Configuration Definition written by and published by . This book was released on 1973 with total page 371 pages. Available in PDF, EPUB and Kindle. Book excerpt: The basic objective of the report is to provide a broader technology base to support the development of a medium STOL Transport (MST) airplane. The work is limited to the application of the externally blown flap (EBF) powered life concept. The technology of EBF STOL aircraft is investigated through analytical studies, wind tunnel testing, flight simulator testing, and design trade studies. The results obtained include development of methods for the estimation of the aerodynamic characteristics of an EBF configuration, STOL performance estimation methods, safety margins for takeoff and landing, wind tunnel investigation of the effects of varying EBF system geometry parameters, configuration definition to meet MST requirements, trade data on performance and configuration requirement variations, flight control system mechanization trade data, handling qualities characteristics, piloting procedures, and effects of applying an air cushion landing system to the MST.
Book Synopsis STOL Tactical Aircraft Investigation. Volume III. Takeoff and Landing Performance Ground Rules for Powered Lift STOL Transport Aircraft by : Franklyn J. Davenport
Download or read book STOL Tactical Aircraft Investigation. Volume III. Takeoff and Landing Performance Ground Rules for Powered Lift STOL Transport Aircraft written by Franklyn J. Davenport and published by . This book was released on 1973 with total page 59 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rules for determining takeoff and landing distances of STOL transport airplanes equipped with powered-lift systems are proposed and discussed. These rules related to speed margins and maneuvering capability required for safe operations and to the procedures for computation of required runway lengths. The most significant difference between the proposed rules and 'conventional' performance rules is that speed margins and maneuver g - margins should be based on the airplane's capability with power on. Procedures for calculation of powered-lift STOL performance are stated in detail. (Author).
Book Synopsis STOL Tactical Aircraft Investigation, Externally Blown Flap. Volume 2. Design Compendium by :
Download or read book STOL Tactical Aircraft Investigation, Externally Blown Flap. Volume 2. Design Compendium written by and published by . This book was released on 1973 with total page 177 pages. Available in PDF, EPUB and Kindle. Book excerpt: The basic objective of the work reported herein was to provide a braoder technology base to support the development of a medium STOL Transport (MST) airplane. This work was limited to the application of the externally blown flap (EBF) powered lift concept. The technology of EBF STOL aircraft has been investigated through analytical studies, wind tunnel testing, flight simulator testing, and design trade studies. The results obtained include development of methods for the estimation of the aerodynamic characteristics of an EBF configuration, STOL performance estimation methods, safety margins for takeoff and landing, wind tunnel investigation of the effects of varying EBF system geometry parameters, configuration definition to meet MST requirements, trade data on performance and configuration requirement variations, flight control system mechanization trade data, handling qualities characteristics; piloting procedures, and effects of applying an air cushion landing system to the MST.
Book Synopsis STOL Tactical Aircraft Investigation. Volume IV. Wind Tunnel Data Analysis by :
Download or read book STOL Tactical Aircraft Investigation. Volume IV. Wind Tunnel Data Analysis written by and published by . This book was released on 1973 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt: Force and rake information measured during 1087 hours of low speed wind tunnel testing conducted by Convair Aerospace are summarized. Over 2730 data runs were generated on 242 major configuration variables that covered the following lift/propulsion concepts: mechanical flaps plus vectored thrust, externally blown flaps, and internally blown flaps. Lift data was reduced into three basic terms: power-on to power-off lift curve slope ratio, trailing edge flap lift increment at alpha = zero degrees, and maximum lift coefficient increment due to the application of power. These relationships were evaluated as a function of blowing momentum coefficient and correlated for the effects of configurational variations (wing planform, leading and trailing edges, and nacelle location). Drag data was reduced into the form of induced drag factor, minimum profile drag, thrust recovery and then analyzed as a function of blowing momentum coefficient. The pitching moment data analysis compares the flap pitching moment increment among the various configurations. (Modified author abstract).
Book Synopsis STOL Tactical Aircraft Investigation, Externally Blown Flap. Volume 5. Part 1. Control System Mechanization Trade Studies by :
Download or read book STOL Tactical Aircraft Investigation, Externally Blown Flap. Volume 5. Part 1. Control System Mechanization Trade Studies written by and published by . This book was released on 1973 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt: Contents: System analyses; System characteristics comparison; Control component requirements; Handling qualities.
Book Synopsis STOL Tactical Aircraft Investigation. Volume VI. Air Cushion and Ground Mobility Study by : J Herbert (Jr)
Download or read book STOL Tactical Aircraft Investigation. Volume VI. Air Cushion and Ground Mobility Study written by J Herbert (Jr) and published by . This book was released on 1973 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt: The tactical STOL transport design must consider forms of high flotation landing gear to operate effectively from unprepared fields. One configuration of particular interest is the Air Cushion Landing System (ACLS) which utilizes the ground effect principle to reduce ground overpressures. The configuration includes a rubber-nylon, torus-shaped trunk attached to the lower portion of the fuselage. Air is supplied to the trunk by turboshaft-driven fans. It is then exhausted through rows of holes along the trunk ground tangent. Aircraft weight is distributed over the cushion area providing the desired low ground pressure. After liftoff, the trunk is deflated and retracts into the side of fuselage by elastic action of the trunk material. Braking is accomplished by expanding inflatable pillows against the ground mobility and bleeding off cushion pressure. The cargo delivery/loading capability of the MST can be greatly expedited by incorporating an onboard ground mobility system in conjunction with conventional landing gear. After viewing various wheel drive systems (pneumatic, electrical, hydraulic), a mechanical drive system is presented. A gas turbine APU is mounted to the shock strut over each bogie, driving the wheels through reversing gear, clutch and shafting. (Author).
Book Synopsis STOL Tactical Aircraft Investigation. Volume 3. Performance Ground Rules and Methods. Book 2, Takeoff and Landing Digital Computer Program by :
Download or read book STOL Tactical Aircraft Investigation. Volume 3. Performance Ground Rules and Methods. Book 2, Takeoff and Landing Digital Computer Program written by and published by . This book was released on 1973 with total page 133 pages. Available in PDF, EPUB and Kindle. Book excerpt: The MILSTOL (MILitary STOL) takeoff and landing digital computer program was developed to compute takeoff and landing characteristics of powered- lift STOL aircraft. It calculates a point mass takeoff and/or landing for a trimmed configuration with either externally blown jet flaps, internally blown jet flaps, or mechanical flaps with vectored thrust. Contained in this report are: Discussion of assumptions and methods used in the trajectory calculations; Definition of common list variables; Definition of the input variables and sample input data for the externally blown jet flap configuration; Sample output for the externally blown flap configuration; and Program listings and flow charts. The program is written in Fortran IV for use on CDC 6000 series digital computers and requires 37 K sub 8 central memory for loading and execution.
Book Synopsis STOL Tactical Aircraft Investigation-Externally Blown Flap. Volume V. Flight Control Technology. Part II. Simulation Studies/Flight Control System Validation by : James E. Campbell
Download or read book STOL Tactical Aircraft Investigation-Externally Blown Flap. Volume V. Flight Control Technology. Part II. Simulation Studies/Flight Control System Validation written by James E. Campbell and published by . This book was released on 1973 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt: The basic objective of the work reported was to provide a broader technology base to support the development of a medium STOL Transport (MST) airplane. This work was limited to the application of the externally blown flap (EBF) powered lift concept. From an overall assessment of study results, it is concluded that the EBF concept provides a practical means of obtaining STOL performance for an MST with relatively low risk. (Modified author abstract).
Book Synopsis STOL Tactical Aircraft Investigation - Externally Blown Flap by : Robert W. Phillips
Download or read book STOL Tactical Aircraft Investigation - Externally Blown Flap written by Robert W. Phillips and published by . This book was released on 1973 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt: Contents: System analyses; System characteristics comparison; Control component requirements; Handling qualities.
Book Synopsis STOL Tactical Aircraft Investigation. Volume I. Configuration Definition: Medium STOL Transport with Vectored Thrust/Mechanical Flaps by :
Download or read book STOL Tactical Aircraft Investigation. Volume I. Configuration Definition: Medium STOL Transport with Vectored Thrust/Mechanical Flaps written by and published by . This book was released on 1973 with total page 199 pages. Available in PDF, EPUB and Kindle. Book excerpt: A configuration for an Advanced Medium STOL Transport (AMST) using vectored thrust for powered lift is defined in detail. Capability to operate from an austere forward airfield of 2000 feet length at the midpoint of 500 nm radius mission with 28,000 lbs. of payload is substantiated by aerodynamic, propulsion, structural, and weights data. The vectored thrust powered lift concept is compared with other powered lift schemes considered for the AMST. A program of continuing research and development in tactical airlift and STOL technology is recommended.
