1–20 von 53 Ergebnissen
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    Tests of Full-Scale Helicopter Rotors at High Advancing Tip Mach Numbers and Advance Ratios. Technical Report

    J. C. Biggers / J. I. L. McCloud / R. H. Stroub | NTIS | 2015
    Schlagwörter: Helicopter rotors , Blade radius

    In Vestigation on the Blade Deflection of a Helicopter

    M. Marchand | NTIS | 1966
    Schlagwörter: Blade , Tandem-rotor helicopter , Helicopter

    The Effect of Icing During Helicopter Ground Run-Up

    R. D. Price / J. R. Stallabrass | NTIS | 1967
    Schlagwörter: Helicopter , Blade

    MBB BO 108 Helicopter Ground and Flight Test Evaluation

    D. Schimke / B. Enenkl / E. Allramseder | NTIS | 1989
    Schlagwörter: Blade slap noise , Helicopter design , Helicopter tail rotors , Helicopter performance

    Performance Evaluation of an OH-58A+ With Dimpletape Installed

    G. A. Deetman | NTIS | 2001
    Schlagwörter: Helicopter rotors , Oh-58a+ helicopter rotor blade

    Helicopters Calculation and Design. Volume I - Aerodynamics

    A. S. Braverman / L. N. Grodko / M. A. Leykand et al. | NTIS | 1967
    Schlagwörter: Helicopter design , Blade , Helicopter

    Variable Diameter Rotor Study

    A. W. Linden | NTIS | 1972
    Schlagwörter: Helicopter rotors , Telescoping blade rotors , Rigid blade rotors , Folding blade rotors , Flexible blade rotors

    Calculation of Helicopter Rotor Blade/Vortex Interaction by Navier-Stokes Procedures

    Y. Kim / S. J. Shamroth / R. C. Buggeln | NTIS | 1987
    Schlagwörter: Helicopter design , Blade tips , Blade-vortex interaction

    Predesign Study for a Modern 4-Bladed Rotor for Rsra

    S. J. Davis | NTIS | 1981
    Schlagwörter: H-60 helicopter , Blade tips

    Effect of Rotor Blade Root Cutout on Vertical Drag

    S. J. Cassarino | NTIS | 1970
    Schlagwörter: Helicopter rotors , Rotor blade root cutouts

    Wind Tunnel Evaluation of a Model Helicopter Main-Rotor Blade With Slotted Airfoils at the Tip

    K. W. Noonan / W. T. Yeager / J. D. Singleton et al. | NTIS | 2001
    Schlagwörter: Blade tips , Helicopter performance

    Calculation of the Velocity Field Generated by a Helicopter Main and Tail Rotors in Hover

    K. J. Hayman / K. R. Reddy | NTIS | 1984
    Schlagwörter: Helicopter rotors , Tail helicopter rotors , Blade tip vortices

    Tip Aerodynamics and Acoustics Test: A Report and Data Survey

    J. L. Cross / M. E. Watts | NTIS | 1988
    Schlagwörter: Blade tips , AH-1G helicopter

    Test Results of the RAH-66 Main Rotor Ballistically Damaged Flexbeam

    M. McCann | NTIS | 1997
    Schlagwörter: Helicopter rotors , Rotor blade flexbeam

    Exploratory Flight Investigation and Analysis of Structural Loads Encountered by a Helicopter Hingeless Rotor System

    J. F. Ward | NTIS | 1966
    Schlagwörter: Helicopter , Rigid rotor helicopter , Blade

    Acoustic Predictions of Manned and Unmanned Rotorcraft Using the Comprehensive Analytical Rotorcraft Model for Acoustics (CARMA) Code System

    D. D. Boyd / C. L. Burley / D. A. Conner | NTIS | 2005
    Schlagwörter: Blade slap noise , Bo-105 helicopter

    Thickness Noise of Helicopter Rotors a High Tip Speeds

    F. Farassat / R. J. Pegg / D. A. Hilton | NTIS | 2004
    Schlagwörter: Helicopter rotors , Blade tips