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F-5A Transonic Buffet Flight Test

Description: Report describing flight tests conducted on a Northrop-produced F-5 fighter aircraft to define buffet both quantitatively and qualitatively. Stability, control, loads, and wing pressure data were recorded during constant Mach number, accelerated turn maneuvers. Wing flow visualization data were obtained using tufts photographed with an on-board motion picture camera. The lift coefficient for pilot indicated buffet onset was correlated with aircraft acceleration oscillations, and a resultant cr… more
Date: December 1969
Creator: Titiriga, A., Jr.
Item Type: Refine your search to only Report
open access

Performance of Steady and Intermittent Blowing Jet Flaps and Spanwise Upper Surface Slots

Description: Report discussing a program of the Air Force Flight Dynamics Laboratory (FXM), Wright-Patterson Air Force Base, to experimentally investigate steady and intermittent blowing jet flaps and constant percent chord span wise upper surface slots on controlling shock induced boundary layer separation and their effect on transonic performance on a conventional wind (Foreword). A wind tunnel test conducted in the NASA Ames 14 foot wind tunnel is described, along with analyses of jet flap data and stead… more
Date: November 1975
Creator: Ely, W. L. & Berrier, F. C.
Item Type: Refine your search to only Report
open access

Sonic Fatigue Design Data for Bonded Aluminum Aircraft Structures

Description: Report describing a combined analytic and experimental program conducted to determine the sonic fatigue design properties of bonded structural sections based on skin-stringer-frame design commonly applied in aircraft and to formulate data and criteria for the development of sonic fatigue resistant designs of such structure. Beam tests were conducted under narrow band shaker excitation and multibay panel tests were conducted under broadband acoustic excitation. The test results are evaluated for… more
Date: June 1977
Creator: Jacobson, Marcus J.
Item Type: Refine your search to only Report
open access

STOL Tactical Aircraft Investigation: Volume 1, Configuration Definition: Medium STOL Transport with Vectored Thrust/Mechanical Flaps

Description: Report defining a configuration for an Advanced Medium short takeoff and landing (STOL) Transport (AMST) using vectored thrust for powered lift. 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 r… more
Date: May 1973
Creator: Carroll, Richard H.; Jants, John W. & Milns, Peter
Item Type: Refine your search to only Report
open access

STOL Tactical Aircraft Investigation: Volume 2, Part 1, Aerodymic Technology: Design Compendium, Vectored Thrust/Mechanical Flaps

Description: Report presenting methods for predicting the performance determining aerodynamic characteristics and the stability derivatives of transport-type configurations employing the vectored-thrust mechanical-flap high-lift concept. These methods are suitable for preliminary design. They have been automated in a FORTRAN 4 computer program, for which a users' manual and listing are included in this document. (Abstract)
Date: May 1973
Creator: Runciman, William J.; Letsinger, Gary R.; Ray, Bernard F. & May, Fred W.
Item Type: Refine your search to only Report
open access

STOL Tactical Aircraft Investigation: Volume 3, Takeoff and Landing Performance Ground Rules for Powered Lift STOL Transport Aircraft

Description: Report proposing and discussing rules for determining takeoff and landing distances of STOL transport airplanes equipped with powered-lift systems. Procedures for calculation of powered-lift STOL performance are stated in detail.
Date: May 1973
Creator: Davenport, Franklin J.; Rengstorff, Arnold E. & Van Heyningen, Vernon F.
Item Type: Refine your search to only Report
open access

STOL Tactical Aircraft Investigation: Volume 5, Part 1: Flight Control Technology: System Analysis and Trade Studies for a Medium STOL Transport with Vectored Thrust/Mechanical Flaps

Description: Report describing a program of flight control technology applicable to an Advance Medium STOL Transport (AMST) airplane equipped with a vectored-thrust powered lift system. Low q moment producers are evaluated. Mathematical models (control laws) of control systems suitable for the STOL landing approach are defined. The effect of control system mechanization complexity on performance, weight, cost, safety, design risk, and vulnerability to small arms fire are evaluated. A candidate control syste… more
Date: May 1973
Creator: Crandall, Kenneth J.; Maund, David J.; Gerken, William E. & Vincent, James H.
Item Type: Refine your search to only Report
open access

STOL Tactical Aircraft Investigation: Volume 5, Part 2, Flight Control Technology: Piloted Simulation of a Medium STOL Transport with Vectored Thurst/Mechnical Flops

Description: Report describing a fixed base and piloted simulation studies were conducted to evaluate control systems for a short takeoff and landing (STOL) tactical transport equipped with vectored thrust. The present flying qualities standard for STOL aircraft, MIL-F-8330, are reviewed and several changes are suggested.
Date: May 1973
Creator: Vincent, James H.
Item Type: Refine your search to only Report
open access

STOL Tactical Aircraft Investigation: Volume 6, Air Cushion Landing System Study

Description: Report describing analyses and design studies that 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.
Date: May 1973
Creator: Gardner, Lloyd H.; Pizzichemi, Charles J. & Milns, Peter
Item Type: Refine your search to only Report
open access

Wing/Inlet Composite Advanced Development

Description: Report discussing a program to design a composite wing and inlet structure to replace the metal counterpart for the F16 airplane, including the design, testing, and project management data associated with the program.
Date: September 1976
Creator: Maske, E. B.; Waddoups, M. E.; Howeth, M. S.; Fant, J. A.; LaSalle, R. M.; Mahaffey, P. T. et al.
Item Type: Refine your search to only Report
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