1–50 von 93 Ergebnissen
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    Vibration Analysis of the SA349/2 Helicopter

    R. Heffernan / D. Precetti / W. Johnson | NTIS | 1991

    Task Allocation for Single Pilot Operations: A Role for the Ground

    W. Johnson / J. Lachter / M. Feary et al. | NTIS | 2012

    Rotorcraft Technology for HALE Aeroelastic Analysis

    L. Young / W. Johnson | NTIS | 2008

    Rotorcraft Conceptual Design Environment

    W. Johnson / J. D. Sinsay | NTIS | 2009

      Rotorcraft Conceptual Design Environment

      W. Johnson / J. Sinsay | NTIS | 2009

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

    W. Johnson / H. Yeo / J. C. Acree | NTIS | 2007

    Optimum Design of a Compound Helicopter

    H. Yeo / W. Johnson | NTIS | 2006

      Optimum Design of a Compound Helicopter

      H. Yeo / W. Johnson | NTIS | 2006

    Observations from Exploration of VTOL Urban Air Mobility Designs

    W. Johnson / C. Silva | NTIS | 2018

    NDARC: NASA Design and Analysis of Rotorcraft

    W. Johnson | NTIS | 2016

    NASA Heavy Lift Rotorcraft Systems Investigation

    W. Johnson / G. K. Yamauchi / M. E. Watts | NTIS | 2005

    Model for Vortex Ring State Influence on Rotorcraft Flight Dynamics

    W. Johnson | NTIS | 2004

    In-Space Propellant Production Using Water

    W. Notardonato / W. Johnson / A. Swanger et al. | NTIS | 2012

    Improving Tiltrotor Whirl-Mode Stability with Rotor Design Variations

    J. C. Acree / R. J. Peyran / W. Johnson | NTIS | 2000