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Friday, July 10, 2020 | History

2 edition of X-29A aircraft structural loads flight testing found in the catalog.

X-29A aircraft structural loads flight testing

X-29A aircraft structural loads flight testing

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  • 4 Currently reading

Published by National Aeronautics and Space Administration, Ames Research Center, Dryden Flight Research Facility, For sale by the National Technical Information Service] in Edwards, Calif, [Springfield, Va .
Written in English

    Subjects:
  • Airplanes -- Flight testing.,
  • Airplanes -- Wings, Canard.

  • Edition Notes

    StatementRobert Sims ... [et al.].
    SeriesNASA technical memorandum -- 101715.
    ContributionsSims, Robert., Dryden Flight Research Facility.
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL15283183M

    T.H.G. Megson, in Aircraft Structures for Engineering Students (Fifth Edition), Publisher Summary. Aircraft structures, being extremely flexible, are prone to distortion under these loads are caused by aerodynamic forces, which themselves depend on the geometry of the structure and the orientation of the various structural components to the surrounding airflow, structural. testing data. This will help you develop a detailed flight-test plan, tailored for your aircraft and resources. This AC attempts to make you aware that test flying an aircraft is a critical undertaking, which you should approach with thorough planning, skill, and common sense. The flight-test plan is the heart of all professional flight testing.

    I've really enjoyed this book. It lays out a method for developing a flight testing program for an experimental airplane. It seems that so many people just fly off the required 40 hours and don't really prove or evaluate the airplanes performance envelope/5(6). This paper deals with the flight test results and the preliminary evaluation of the XA design and technologies. A summary of the primary technical findings in structural static loads, structural dynamic characteristics, flight control system characteristics, aerodynamic stability and control, and aerodynamic performance is presented.

    In the period –, AGARD developed the Manual on Aeroelasticity which details the processes used in solving and verifying aeroelastic problems along with standard examples that can be used to test numerical solutions. Aeroelasticity involves not just the external aerodynamic loads and the way they change but also the structural, damping and mass characteristics of the aircraft. The XA advanced technology demonstrator flight envelope expansion program and the subsequent flight research phase gave impetus to the development of several innovative real-time analysis and display techniques. These new techniques produced significant improvements in flight test productivity, flight research capabilities, and flight safety.


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X-29A aircraft structural loads flight testing Download PDF EPUB FB2

XA Aircraft Structural Loads Flight Testing Author: Robert Sims, Paul McCrosson, Robert Ryan, and Joe Rivera Subject: H Keywords: Canards, Flight testing, Forward-swept wing, Structural loads, XA air craft Created Date: 1/31/ AM. the XA aircraft is documented in Refs.

Following extensive ground testing, the flight test pro- gram was initiated in December at the Dryden Flight Research Facility of the NASA Ames Research Center. The XA research and technology demonstrator aircraft has completed a highly successful multiphase flight test program.

The primary research objective was to safely explore, evaluate, and validate a number of aerodynamic, structural, and flight control technologies, all highly integrated into the vehicle design. Get this from a library. XA aircraft structural loads flight testing. [Robert Sims; Dryden Flight Research Facility.;].

As was true for the other technical disciplines, structural flight test- ing of the XA aircraft provided the opportunity and need to reevaluate our approach to testing a unique and uncon- ventional aircraft.

References 1. Krone, N.J., Jr., "Forward Swept Wing Flight Demon- strator," AI A A. The book reflects author personal experience rather than a focus on all aspects of actual aircraft structural loading, which makes the author focuses on wing, landing gear, and empennage loads and gives minor attention to the semi-monocoque fuselage loading; and fully ignores the gyroscopic loads due to yawing and pitching which imposes loads on the engine attachments and supporting structure /5(5).

FLIGHT TEST TECHNIQUES FOR THE XA AIRCRAFT John W. Hicks,* James M. Cooper, Jr.,** and Walter J. Sefic+ NASA Ames Research Center Dryden Flight Research Facility Edwards, Cal i forni a Abstract The XA advanced technol ogy demonstrator is a single-seat, single-engine aircraft with aFile Size: 5MB.

Flight Test Techniques for the XA Aircraft Author: John W. Hicks, James M. Cooper, Jr., and Walter J. Sefic Subject: H Keywords: Flight envelope expansion; Flight test techniques; Forward-swept wing Created Date: 4/2/ PM. The estimation of loads acting on an aircraft structure is an indispensable task ranging from conceptual, preliminary, and detail design to loads flight testing when an aircraft is already in service.

Work package 4 of the DLR project iLOADS covers the range broadly. Physics-based loads and File Size: 2MB. AIRCRAFT LOADS AND LOAD TESTING Page 1 of 16 When trying to get new designs cleared by the LAA, the structural strength part of the submission is usually the source of most difficulty on the part of the applicant.

This leaflet describes what load cases are normally tested and issues involved in working out the magnitude and distribution of the File Size: KB. The estimation of loads acting on an aircraft structure is an indispensable task ranging from conceptual, preliminary, and detail design to loads flight testing when an aircraft is already in service.

Work package 4 of the DLR project iLOADS covers the range broadly. Physics-based loads and File Size: 3MB. The Grumman X was an American experimental aircraft that tested a forward-swept wing, canard control surfaces, and other novel aircraft technologies.

The X was developed by Grumman, and the two built were flown by NASA and the United States Air cturer: Grumman. XA Test Information Engineer NASA Ames Research Center Dryden Flight Research Facility Edwards, Cal i forni a to determine if it was feasible build and flight test a forward-swept wing (FSW) aircraft.

Results of the feasibility studies were favorable, and a program consisting of preliminary design, final design, fabrication, and limited. Aircraft Virtual Structural Testing: Challenges for Structural Analysis - ESA -Ref. PR Aircraft Virtual Structural Testing: Challenges for Structure Analysis Presented by Michel MAHÉ Prepared by Michel MAHÉ, Jean-François IMBERT, Christophe BRAND.

Flight Test of the XA at High Angle of Attack: Flight Dynamics and Controls Jeffrey E. Bauer Robert Clarke John J. Burken Dryden Flight Research Center Edwards, California.

ABSTRACT The NASA Dryden Flight Research Center has flight tested two XA aircraft at low and high angles of attack. The high-angle-of-attack tests evaluate the fea.

LOAD ANALYSIS OF AN AIRCRAFT USING SIMPLIFIED AERODYNAMIC AND STRUCTURAL MODELS Ünay, Emre M.S., Department of Aerospace Engineering Supervisor: Prof. Altan Kayran Februarypages Aircraft must be light enough to fly but also strong enough to endure the loads they experience during Size: 2MB.

nary drag polar model for the XA aircraft. It includes a discussion Of the test technigues, the aircraft instrumentation system, the limitations in obtaining flight data, and the difficulties encountered in the analysis.

Aircraft Description The XA aircraft (Fig. I) is a single-seat, fighter-type aircraft with a forward-swept wing (FSW). This item:Aircraft Structures (Dover Books on Aeronautical Engineering) by David J. Peery Paperback $ Ships from and sold by FREE Shipping on orders over $ Details.

Theory of Wing Sections: Including a Summary of Airfoil Data (Dover Books on Aeronautical by Ira H. Abbott Paperback $/5(33). A structural interaction on the XA aircraft was observed during high-angle-of-attack flight testing.

The roll and yaw rate gyros sensed the aircraft's struc-File Size: KB. Lecture notes for Aeronautical Engineering students. x - Lect 16 - Electromagnetic Induction, Faraday's Law, Lenz Law, SUPER DEMO - Duration: Lectures by Walter Lewin. A classic Part 23 flight test guide. The author's techniques can be applied to LSA and Part 23 flight testing, with or without and data acquisition system.

It sure helps to have a GPS, AHRS, and instrumented control forces and positions by: -Finite Element modelling of the structure with interfaces to the Loads Model "* extensive flight testing, especially dedicated flight load surveys "* extensive structural ground tests Basically this means that the static design of "old" aircraft usually is rather conservative and on the safe side.Books to Borrow.

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