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    NDARC NASA Design and Analysis of Rotorcraft - Input, Appendix 8

    W. Johnson | NTIS | 2018
    Schlagwörter: Aircraft , Rotary wing aircraft , Vertical takeoff aircraft , Aircraft design , Aircraft configurations , Tilt rotor aircraft

    NDARC: NASA Design and Analysis of Rotorcraft

    W. Johnson | NTIS | 2016
    Schlagwörter: Aircraft , Rotary wing aircraft , Aircraft design , Aircraft configurations , Tilt rotor aircraft

      NDARC NASA Design and Analysis of Rotorcraft

      W. Johnson | NTIS | 2017
      Schlagwörter: Aircraft , Aircraft configurations , Aircraft design , Rotary wing aircraft , Tilt rotor aircraft

      NDARC NASA Design and Analysis of Rotorcraft

      W. Johnson | NTIS | 2017
      Schlagwörter: Aircraft , Rotary wing aircraft , Aircraft configurations , Vertical takeoff aircraft , Aircraft performance , Aircraft control

    NDARC NASA Design and Analysis of Rotorcraft - Input, Appendix 2

    W. Johnson | NTIS | 2016
    Schlagwörter: Aircraft , Rotary wing aircraft , Aircraft design , Tilt rotor aircraft , Vertical takeoff aircraft

    Application of Climate Impact Metrics to Civil Tiltrotor Design

    C. R. Russell / W. Johnson | NTIS | 2013
    Schlagwörter: Aircraft , Tilt rotor aircraft , Aircraft design , Rotary wing aircraft

    Propulsion System Models for Rotorcraft Conceptual Design

    W. Johnson | NTIS | 2014
    Schlagwörter: Aircraft , Rotary wing aircraft , Aircraft fuels

    NDARC-NASA Design and Analysis of Rotorcraft Theoretical Basis and Architecture

    W. Johnson | NTIS | 2010
    Schlagwörter: Aircraft , Rotary wing aircraft , Aircraft design , Aircraft models , Aircraft compartments , Aircraft maneuvers

    Design and Performance of Lift-Offset Rotorcraft for Short-Haul Missions

    W. Johnson / A. M. Moodie / H. Yeo | NTIS | 2012
    Schlagwörter: Aircraft , Aircraft design

      Design and Performance of Lift-Offset Rotorcraft for Short-Haul Missions

      W. Johnson / A. M. Moodie / H. Yeo | NTIS | 2012
      Schlagwörter: Aircraft , Rotary wing aircraft

    Exploration of Configuration Options for a Large Civil Compound Helicopter

    C. Russell / W. Johnson | NTIS | 2013
    Schlagwörter: Aircraft , Aircraft configurations , Passenger aircraft

    Conceptual Design and Performance Analysis for a Large Civil Compound Helicopter

    C. Russell / W. Johnson | NTIS | 2012
    Schlagwörter: Aircraft , Rotary wing aircraft , Tilt rotor aircraft

    Observations from Exploration of VTOL Urban Air Mobility Designs

    W. Johnson / C. Silva | NTIS | 2018
    Schlagwörter: Rotary wing aircraft , Vertical takeoff aircraft , Aircraft reliability

    NDARC NASA Design and Analysis of Rotorcraft Theory Appendix 1

    W. Johnson | NTIS | 2016
    Schlagwörter: Aircraft , Rotary wing aircraft , Aircraft design , Aircraft configurations , Tilt rotor aircraft

    Analysis of Advanced Rotocraft Configurations

    W. Johnson | NTIS | 2004
    Schlagwörter: Aircraft , Rotary wing aircraft , Aircraft noise , Aircraft design

    NDARC NASA Design and Analysis of Rotorcraft - Input, Appendix 10

    W. Johnson | NTIS | 2019
    Schlagwörter: Aircraft , Rotary wing aircraft

    NASA Heavy Lift Rotorcraft Systems Investigation

    W. Johnson / G. K. Yamauchi / M. E. Watts | NTIS | 2005
    Schlagwörter: Aircraft , Rotary wing aircraft , Tilt rotor aircraft , Aircraft configurations

    Designs and Technology Requirements for Civil Heavy Lift Rotorcraft

    W. Johnson / G. K. Yamauchi / M. E. Watts | NTIS | 2006
    Schlagwörter: Aircraft , Aircraft configurations , Rotary wing aircraft , Tilt rotor aircraft

    Coaxial Compound Helicopter for Confined Urban Operations

    W. Johnson / J. F. Elmore / E. B. Keen et al. | NTIS | 2016
    Schlagwörter: Aircraft , Rotary wing aircraft

    History of Rotorcraft Comprehensive Analyses

    W. Johnson | NTIS | 2013
    Schlagwörter: Rotary wing aircraft , Aircraft

    Performance of Advanced Heavy-Lift, High-Speed Rotorcraft Configurations

    W. Johnson / H. Yeo / C. W. Acree | NTIS | 2007
    Schlagwörter: Aircraft , Rotary wing aircraft , Tilt rotor aircraft

      Performance of Advanced Heavy-Lift, High-Speed Rotorcraft Configurations

      W. Johnson / H. Yeo / J. C. Acree | NTIS | 2007
      Schlagwörter: Aircraft , Rotary wing aircraft , Vertical takeoff aircraft , Ria(Runway independent aircraft)

    NDARC - NASA Design and Analysis of Rotorcraft Validation and Demonstration

    W. Johnson | NTIS | 2010
    Schlagwörter: Aircraft , Aircraft reliability

    Hover and Forward Flight Performance Modeling of the Ingenuity Mars Helicopter

    C. Dull / L. Wagner / L. Young et al. | NTIS | 2021
    Schlagwörter: Aircraft

    Performance Analysis of a Utility Helicopter with Standard and Advanced Rotors

    H. Yeo / W. G. Bousman / W. Johnson | NTIS | 2002
    Schlagwörter: Aircraft , Utility aircraft , Uh-60 aircraft

    Performance and Design Investigation of Heavy Lift Tiltrotor with Aerodynamic Interference Effects

    H. Yeo / W. Johnson | NTIS | 2007
    Schlagwörter: Aircraft , Tilt rotor aircraft

      Performance and Design Investigation of Heavy Lift Tilt-Rotor with Aerodynamic Interference Effects

      H. Yeo / W. Johnson | NTIS | 2009
      Schlagwörter: Aircraft , Tilt rotor aircraft

    Vibration Analysis of the SA349/2 Helicopter

    R. Heffernan / D. Precetti / W. Johnson | NTIS | 1991
    Schlagwörter: Aircraft , Rotary wing aircraft , Aircraft models , Research aircraft

    Calculated Performance, Stability and Maneuverability of High-Speed Tilting-Prop-Rotor Aircraft

    W. Johnson / B. H. Lau / J. V. Bowles | NTIS | 1986
    Schlagwörter: Aircraft stability , Aircraft , Tilt rotor aircraft

    Wind Tunnel Measurements and Calculations of Aerodynamic Interactions Between Tiltrotor Aircraft

    W. Johnson / G. K. Yamauchi / M. R. Derby et al. | NTIS | 2003
    Schlagwörter: Aircraft , Tilt rotor aircraft

    A Comprehensive Analytical Model of Rotorcraft Aerodynamics and Dynamics. Part 3: Program Manual

    W. Johnson | NTIS | 1980
    Schlagwörter: Rotary wing aircraft , Aircraft , Aircraft noise

    Influence of Lift Offset on Rotorcraft Performance

    W. Johnson | NTIS | 2008
    Schlagwörter: Aircraft , Rotary wing aircraft

    Comparison of Calculated and Measured Helicopter Rotor Lateral Flapping Angles

    W. Johnson | NTIS | 1980
    Schlagwörter: Aircraft wakes , Aircraft

    Airloads and Wake Geometry Calculations for an Isolated Tiltrotor Model in a Wind Tunnel

    W. Johnson | NTIS | 2001
    Schlagwörter: Aircraft , Tilt rotor aircraft

      Airloads and Wake Geometry Calculations for an Isolated Tiltrotor Model in a Wind Tunnel

      W. Johnson | NTIS | 2001
      Schlagwörter: Tilt rotor aircraft , Rotary wing aircraft

      Airloads and Wake Geometry Calculations for an Isolated Tiltrotor Model in a Wind Tunnel

      W. Johnson | NTIS | 2003
      Schlagwörter: Aircraft , Tilt rotor aircraft , Aircraft configurations , Aircraft design

    Advanced Rotor Aerodynamics Concepts with Application to Large Rotorcraft

    M. W. Floros / W. Johnson / M. P. Scully | NTIS | 2002
    Schlagwörter: Aircraft , Rotary wing aircraft

    Model for Vortex Ring State Influence on Rotorcraft Flight Dynamics

    W. Johnson | NTIS | 2005
    Schlagwörter: Tilt rotor aircraft , Rotary wing aircraft

      Model for Vortex Ring State Influence on Rotorcraft Flight Dynamics

      W. Johnson | NTIS | 2004
      Schlagwörter: Aircraft , Tilt rotor aircraft

    Aeroelastic Analysis for Rotorcraft in Flight or in a Wind Tunnel

    W. Johnson | NTIS | 1977
    Schlagwörter: Aircraft , Rotorcraft aircraft

    Performance and Design Investigation of Heavy Lift Tiltrotor with Aerodynamic Interference Effects

    Y. Yeo / W. Johnson | NTIS | 2007
    Schlagwörter: Aircraft , Tilt rotor aircraft

    Optimum Design of a Compound Helicopter

    H. Yeo / W. Johnson | NTIS | 2006
    Schlagwörter: Aircraft , Rotary wing aircraft

      Optimum Design of a Compound Helicopter

      H. Yeo / W. Johnson | NTIS | 2006
      Schlagwörter: Aircraft , Aircraft design , Utility aircraft , H-34 aircraft , Uh-1 aircraft

    Improving Tiltrotor Whirl-Mode Stability with Rotor Design Variations

    J. C. Acree / R. J. Peyran / W. Johnson | NTIS | 2000
    Schlagwörter: Aircraft , Tilt rotor aircraft

    Wind Tunnel Measurements and Calculations of Aerodynamic Interactions between Tiltroter Aircraft

    W. Johnson / G. K. Yamauchi / M. R. Derby | NTIS | 2003
    Schlagwörter: Aircraft , Tilt rotor aircraft

    Elementary Applications of a Rotorcraft Dynamic Stability Analysis

    W. Johnson | NTIS | 1976
    Schlagwörter: Rotary wing aircraft , Aircraft

    A Comprehensive Analytical Model of Rotorcraft Aerodynamics and Dynamics. Part II. User's Manual

    W. Johnson | NTIS | 1980
    Schlagwörter: Aircraft , Rotary wing aircraft , Aircraft noise

    Design of a Slowed-Rotor Compound Helicopter for Future Joint Service Missions

    C. Silva / H. Yeo / W. Johnson | NTIS | 2010
    Schlagwörter: Aircraft , Aircraft synthesis

    Aeroelastic Stability of the LCTR2 Civil Tiltrotor

    J. C. Acree / W. Johnson | NTIS | 2008
    Schlagwörter: Aircraft , Tilt rotor aircraft

    Aeromechanics Analysis of a Compound Helicopter

    H. Yeo / W. Johnson | NTIS | 2006
    Schlagwörter: Aircraft , Rotary wing aircraft

    Tribute to Professor Rene H. Miller - A Pioneer in Aeromechanics and Rotary Wing Flight Transportation

    P. P. Friedmann / W. Johnson / M. P. Scully | NTIS | 2011
    Schlagwörter: Tilt rotor aircraft

    Predicted Dynamic Characteristics of the XV-15 Tilting Proprotor Aircraft in Flight and in the 40- by 80-Ft. Wind Tunnel

    W. Johnson | NTIS | 1976
    Schlagwörter: XV-15 aircraft , Tilt rotor research aircraft program

    A Comprehensive Analytical Model of Rotorcraft Aerodynamics and Dynamics. Part III. Program Manual

    W. Johnson | NTIS | 1980
    Schlagwörter: Aircraft , Rotary wing aircraft , Aircraft noise

    Quiet Helicopter for Air Taxi Operations

    W. Johnson | NTIS | 2020
    Schlagwörter: Aircraft

    A Comprehensive Analytical Model of Rotorcraft Aerodynamics and Dynamics. Part I. Analysis Development

    W. Johnson | NTIS | 1980
    Schlagwörter: Aircraft , Rotary wing aircraft , Aircraft noise

    Calculation of the Aerodynamic Behavior of the Tilt Rotor Aeroacoustic Model (TRAM) in the DNW

    W. Johnson | NTIS | 2001
    Schlagwörter: Aircraft , Tilt rotor aircraft

    Calculation of Tilt Rotor Aeroacoustic Model (TRAM DNW) Performance, Airloads, and Structural Loads

    W. Johnson | NTIS | 2000
    Schlagwörter: Aircraft , Tilt rotor aircraft , Aircraft models

    Application of the Joined Wing to Tiltrotor Aircraft

    J. Wolkovitch / B. Wainfan / Y. Ben-harush et al. | NTIS | 1989
    Schlagwörter: Aircraft , Xv-15 aircraft