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Synonyme wurden verwendet für: HELICOPTERS
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    Drag or negative traction of geared-down supporting propellers in the downward vertical glide of a helicopter

    Toussaint, A | NTRS | 1920
    Schlagwörter: HELICOPTERS

    Recent European Developments in Helicopters

    NTRS | 1921
    Schlagwörter: HELICOPTERS - DEVELOPMENT , HELICOPTERS, CAPTIVE

    The prospects of the helicopter

    Warner, Edward P | NTRS | 1922
    Schlagwörter: HELICOPTERS

    My experience with helicopters

    Oemichen, Etienne | NTRS | 1923
    Schlagwörter: HELICOPTERS - OELMICHEN - PEUGEOT 1 & 2 (FR )

    Charts for Estimation of the Characteristics of a Helicopter Rotor in Forward Flight I : Profile Drag-lift Ratio for Untwisted Rectangular Blades

    Gustafson, F B | NTRS | 1944
    Schlagwörter: HELICOPTERS - PERFORMANCE CALCULATIONS

    Complex Vehicular Controls

    A. A. Burrows / J. A. Emery | NTIS | 1944
    Schlagwörter: HELICOPTERS

    Airfoil Section Data from Tests of 10 Practical- Construction Sections of Helicopter Rotor Blades Submitted by the Sikorsky Aircraft Division, United Aircraft Corporation

    Tetervon, Neal | NTRS | 1944
    Schlagwörter: HELICOPTERS - SIKORSKY R (EXPERIMENTAL) (AMER )

    An Estimate of the Effect of Engine Supercharging on the Take-off Thrust of a Typical Helicopter at Different Altitudes and Temperatures

    Voglewede, T J | NTRS | 1945
    Schlagwörter: TAKE-OFF-HELICOPTERS

    Static-Thrust Tests of Six Rotor-Blade Designs on a Helicopter in the Langley Full-Scale Tunnel

    Dingeldein, Richard C. / Schaefer, Raymond F. | NTRS | 1945
    Schlagwörter: HELICOPTERS - PERFORMANCE

    Flight Tests of the Sikorsky HNS-1 (army YR-4B) Helicopter II : Hovering and Vertical-flight Performance with the Original and an Alternate Set of Main-rotor Blades, Including a Comparison with Hovering Performance Theory

    Gessow, Alfred | NTRS | 1945
    Schlagwörter: HELICOPTERS-SIKORSKY HNS-1 FLIGHT TESTS (AMER )

    Flight Tests of the Sikorsky HNS-1 (army YR-4B) Helicopter I : Experimental Data on Level-flight Performance with Original Rotor Blades

    Gustafson, F B | NTRS | 1945
    Schlagwörter: HELICOPTERS - SIKORSKY HNS-1 FLIGHT TESTS (AMER )

    Response of helicopter rotors to periodic forces

    Kelley, Bartram | NTRS | 1945
    Schlagwörter: HELICOPTERS - STABILITY

    High-speed Photographs of a YR-4B Production Rotor Blade for Simulated Flight Conditions in the Langley Full-scale Tunnel

    Schaefer, Raymond F | NTRS | 1945
    Schlagwörter: HELICOPTERS-SIKORSKY R-4B2 (EXPERIMENTAL) WIND TUNNEL TESTS

    Flight Tests of the Sikorsky HNS-1 (Army YR-4B) Helicopter. 2 - Hovering and Vertical-Flight Performance with the Original and an Alternative Set of Main-Rotor Blades, Including a Comparison with Hovering Performance Theory

    F. B. Gustafson / A. Gessow | NTIS | 1945
    Schlagwörter: Helicopters

    Flight Tests of the Sikorsky HNS-1 (Army YR-4B) Helicopter. 1 - Experimental Data on Level-Flight Performance with Original Rotor Blades

    F. B. Gustafson | NTIS | 1945
    Schlagwörter: Helicopters

    Effect of rotor-tip speed on helicopter hovering performance and maximum forward speed

    Gessow, Alfred | NTRS | 1946
    Schlagwörter: CHARTS - HELICOPTERS , EQUATIONS - HELICOPTERS , HELICOPTERS - PERFORMANCE

    Stalling of Helicopter Blades

    Gustafson, F B / G C Myers, JR | NTRS | 1946
    Schlagwörter: CHARTS - HELICOPTERS

    Effect of Rotor-Tip Speed on Helicopter Hovering Performance and Maximum Forward Speed

    F. B. Gustafson / A. Gessow | NTIS | 1946
    Schlagwörter: Helicopters

    Charts Showing Relations Among Primary Aerodynamic Variables for Helicopter-performance Estimation

    Talkin, Herbert W | NTRS | 1947
    Schlagwörter: THEORIES - HELICOPTERS , HELICOPTERS - PERFORMANCE CALCULATIONS , CHARTS - HELICOPTERS , HELICOPTERS - DESIGN

    Full-scale Investigation of the Aerodynamic Characteristics of a Typical Single-rotor Helicopter in Forward Flight

    Dingeldein, Richard C / Schaefer, Raymond F | NTRS | 1947
    Schlagwörter: CHARTS - HELICOPTERS , HELICOPTERS - PERFORMANCE

    Flight Tests of a Helicopter in Autorotation, Including a Comparison with Theory

    A. Gessow / J. G. Myers | NTIS | 1947
    Schlagwörter: Helicopters

    Standard Symbols for Helicopters

    Gessow, Alfred | NTRS | 1948
    Schlagwörter: SYMBOLS - HELICOPTERS - NACA , HELICOPTERS

    Effect of rotor-blade twist and plan-form taper on helicopter hovering performance

    Gessow, Alfred | NTRS | 1948
    Schlagwörter: HELICOPTERS - PERFORMANCE CALCULATIONS , CHARTS - HELICOPTERS , EQUATIONS - HELICOPTERS

    Standard Symbols for Helicopters

    A. Gessow | NTIS | 1948
    Schlagwörter: Helicopters

    Flight Investigation of Effects of Rotor-blade Twist on Helicopter Performance in the High-speed and Vertical-autorotative-descent Conditions

    Gessow, Alfred | NTRS | 1948
    Schlagwörter: HELICOPTERS - PERFORMANCE

    Full Scale Investigation of the Aerodynamic Characteristics of a Typical Single-Rotor Helicopter in Forward Flight

    R. C. Dingeldein / R. F. Schaefer | NTIS | 1948
    Schlagwörter: Helicopters

    Effect of Wind Velocity on Performance of Helicopter Rotors as Investigated with the Langley Helicopter Apparatus

    Carpenter, Paul J | NTRS | 1948
    Schlagwörter: HELICOPTERS - PERFORMANCE

    NACA-University Conference on Aerodynamics - A Compilation of the Papers Presented

    NTIS | 1948
    Schlagwörter: Helicopters

    OPERATION SANDSTONE. Nuclear Explosions. 1948. Appendix C to Report Number 10. Special Vehicles for OPERATION SANDSTONE

    NTIS | 1948
    Schlagwörter: Helicopters

    On the Flying Qualities of Helicopters

    Reeder, John P / Gustafson, F B | NTRS | 1949
    Schlagwörter: HELICOPTERS - FLYING QUALITIES , HELICOPTERS - MANEUVERABILITY , HELICOPTERS - PERFORMANCE , HELICOPTERS - STABILITY

    Longitudinal Flying Qualities of Several Single-rotor Helicopters in Forward Flight

    Gustafson, F B / Amer, Kenneth B / Haig, C R et al. | NTRS | 1949
    Schlagwörter: HELICOPTERS - FLYING QUALITIES , HELICOPTERS - STABILITY

    An introduction to the physical aspects of helicopter stability

    Gessow, Alfred / Amer, Kenneth B | NTRS | 1949
    Schlagwörter: HELICOPTERS - STABILITY

    An analysis of the transition of a helicopter from hovering to steady autorotative vertical descent

    Nikolsky, A A / Seckel, Edward | NTRS | 1949
    Schlagwörter: PROPELLERS, HELICOPTERS , HELICOPTERS - PERFORMANCE

    An analytical study of the steady vertical descent in autorotation of single-rotor helicopters

    Nikolsky, A A / Seckel, Edward | NTRS | 1949
    Schlagwörter: HELICOPTERS - PERFORMANCE

    Test and Evaluation of HRP Helicopter CG No. 111823

    NTIS | 1949
    Schlagwörter: Helicopters

    Theory of Helicopter Damping in Pitch or Roll and a Comparison with Flight Measurements

    Amer, Kenneth B | NTRS | 1950
    Schlagwörter: HELICOPTERS - DAMPING , HELICOPTERS - STABILITY

    An Analysis of the Autorotative Performance of a Helicopter Powered by Rotor-Tip Jet Units

    Gessow, Alfred | NTRS | 1950
    Schlagwörter: HELICOPTERS, JET - PERFORMANCE

    A theoretical analysis of elastic vibrations of fixed-ended and hinged helicopter blades in hovering and vertical flight

    Morduchow, Morris | NTRS | 1950
    Schlagwörter: THEORIES - HELICOPTERS

    Theory of Helicopter Damping in Pitch or Roll and a Comparison With Flight Measurements

    K. B. Amer | NTIS | 1950
    Schlagwörter: Helicopters

    Charts for estimation of longitudinal-stability derivatives for a helicopter rotor in forward flight

    Amer, Kenneth B / Gustafson, Frederic Bowen | NTRS | 1951
    Schlagwörter: CHARTS - HELICOPTERS - STABILITY

    Preliminary investigation of the control of a gas-turbine engine for a helicopter / Richard P. Krebs

    Krebs, Richard P | NTRS | 1951
    Schlagwörter: HELICOPTERS

    Full-scale-tunnel Investigation of the Static-thrust Performance of a Coaxial Helicopter Rotor

    Harrington, Robert D | NTRS | 1951
    Schlagwörter: HELICOPTERS, COAXIAL

    Effects of compressibility on the performance of two full-scale helicopter rotors

    Carpenter, Paul J | NTRS | 1951
    Schlagwörter: HELICOPTERS

    Full-Scale-Tunnel Investigation of the Static-Thrust Performance of a Coaxial Helicopter Rotor

    R. D. Harrington | NTIS | 1951
    Schlagwörter: Helicopters

    Initial Results of Instrument-Flying Trials Conducted in a Single-Rotor Helicopter

    A. D. Crim / J. P. Reeder / J. B. Whitten | NTIS | 1952
    Schlagwörter: Helicopters

    Some Effects of Varying the Damping in Pitch and Roll on the Flying Qualities of a Small Single-rotor Helicopter

    Reeder, John P / Whitten, James B | NTRS | 1952
    Schlagwörter: HELICOPTERS

    Longitudinal Stability and Control of Single Rotor Helicopters in Autorotative Forward Flight

    A. A. Nikolsky | NTIS | 1952
    Schlagwörter: Helicopters

    Some Effects of Varying the Damping in Pitch and Roll on the Flying Qualities of a Small Single-Rotor Helicopter

    J. P. Reeder / J. B. Whitten | NTIS | 1952
    Schlagwörter: Helicopters

    The attenuation characteristics of four specially designed mufflers tested on a practical engine setup

    Stokes, George M / Davis, Don D , Jr | NTRS | 1953
    Schlagwörter: HELICOPTERS

    Studies Relative to the Development of a One-Man Helicopter. Part I

    K. MANN | NTIS | 1953
    Schlagwörter: Helicopters

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