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Synonyme wurden verwendet für: HELICOPTERS
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    Model tests on the economy and effectiveness of helicopter propellers

    Munk, M.M. | Engineering Index Backfile | 1925
    Schlagwörter: Helicopters

    Elements of stability calculation for helicopter

    Florine, N. | Engineering Index Backfile | 1930
    Schlagwörter: Helicopters

    New theories on problem of helicopter design

    Breguet, L. / Dorand, R. | Engineering Index Backfile | 1933
    Schlagwörter: Helicopters

    Aerodynamic analysis of gyroplane rotating-wing system

    Wheatley, J.B. | Engineering Index Backfile | 1934
    Schlagwörter: Gyroplanes

    Wind-tunnel tests of 10-foot-diameter gyroplane rotor

    Wheatley, J.B. / Bioletti, C. | Engineering Index Backfile | 1935
    Schlagwörter: Gyroplanes

    Kay 331 gyroplane (British), all-metal single-seat light rotor plane

    Engineering Index Backfile | 1935
    Schlagwörter: Gyroplanes

    Gyroplane -- Its principles and its possibilities

    Breguet, L. | Engineering Index Backfile | 1937
    Schlagwörter: Gyroplanes

    Hafner gyroplane

    Engineering Index Backfile | 1937
    Schlagwörter: Gyroplanes

    Focke helicopter

    Focke, H. | Engineering Index Backfile | 1938
    Schlagwörter: Helicopters

      Focke helicopter

      Focke, H. | Engineering Index Backfile | 1938
      Schlagwörter: Helicopters

    Dynamic stability of helicopter with hinged rotor blades

    Engineering Index Backfile | 1939
    Schlagwörter: Helicopters

    Contribution to aerodynamics of rotating wing aircraft

    Sissingh, G. | Engineering Index Backfile | 1941
    Schlagwörter: Gyroplanes

    Charts for estimation of characteristics of helicopter rotor in forward flight. I -- Profile drag-lift ratio for untwisted rectangular blades

    Bailey, Jr., F.J. / Gustafson, F.B. | Engineering Index Backfile | 1944
    Schlagwörter: Helicopters

    Effect of helicopter performance of modifications in profile-drag characteristics of rotor-blade airfoil sections

    Gustafson, F.B. | Engineering Index Backfile | 1944
    Schlagwörter: Helicopters

    Complex Vehicular Controls

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

    Static-thrust tests of six rotor-blade designs on helicopter in Langley full-scale tunnel

    Dingeldein, R.C. / Schaefer, R.F. | Engineering Index Backfile | 1945
    Schlagwörter: Helicopters

    Evaluation of induced-velocity field of idealized helicopter rotor

    Coleman, R.P. / Feingold, A.M. / Stempin, C.W. | Engineering Index Backfile | 1945
    Schlagwörter: Helicopters

    Charts for helicopter-performance estimation

    Talkin, H.W. | Engineering Index Backfile | 1945
    Schlagwörter: Helicopters

    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

    Aerodynamic characteristics of four NACA airfoil sections designed for helicopter rotor blades

    Stivers, Jr., L.S. / Rice, Jr., F.J. | Engineering Index Backfile | 1946
    Schlagwörter: Helicopters

    Stalling of helicopter blades

    Gustafson, F.B. / Myers, Jr., G.C. | Engineering Index Backfile | 1946
    Schlagwörter: Helicopters

    Stalling of helicopter blades

    Engineering Index Backfile | 1946
    Schlagwörter: Helicopters

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

    Gustafson, F.B. / Gessow, A. | Engineering Index Backfile | 1946
    Schlagwörter: Helicopters

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

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

    Flight measurements of helicopter blade motion with comparison between theoretical and experimental results

    Myers, Jr., G.C. | Engineering Index Backfile | 1947
    Schlagwörter: Helicopters

    Full-scale investigation of aerodynamic characteristics of typical single-rotor helicopter in forward flight

    Dingeldein, R.C. / Schaefer, R.F. | Engineering Index Backfile | 1948
    Schlagwörter: Helicopters

      Full-scale investigation of aerodynamic characteristics of typical single-rotor helicopter in forward flight

      Dingeldein, R.C. / Schaffer, R.F. | Engineering Index Backfile | 1947
      Schlagwörter: Helicopters

    Charts showing relations among primary aerodynamic variables for helicopter-performance estimation

    Talkin, H.W. | Engineering Index Backfile | 1947
    Schlagwörter: Helicopters

    Effect of blade stalling on efficiency of helicopter rotor as measured in flight

    Gustafson, F.B. / Gessow, A. | Engineering Index Backfile | 1947
    Schlagwörter: Helicopters

    Theory of ground vibrations of two-blade helicopter rotor on anisotropic flexible supports

    Coleman, P. / Feingold, A.M. | Engineering Index Backfile | 1947
    Schlagwörter: Helicopters

    Flight tests of helicopter in autorotation, including comparison with theory

    Gessow, A. / Myers, Jr., G.C. | Engineering Index Backfile | 1947
    Schlagwörter: Helicopters

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

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

    Analysis of flight-performance measurements on twisted, plywood-covered helicopter rotor in various flight conditions

    Gustafson, F.B. / Gessow, A. | Engineering Index Backfile | 1948
    Schlagwörter: Helicopters

    Theoretical study of dynamic properties of helicopter-blade systems

    Reissner, H. / Morduchow, M. | Engineering Index Backfile | 1948
    Schlagwörter: Helicopters

    Full-scale investigation of blade motion of PV-2 helicopter rotor

    Migotsky, E. | Engineering Index Backfile | 1948
    Schlagwörter: Helicopters

    Flight investigation of effects of rotor-blade twist on helicopter performance in high-speed and verticalautorotative-descent conditions

    Gessow, A. | Engineering Index Backfile | 1948
    Schlagwörter: Helicopters

    Standard symbols for helicopters

    Gessow, A. | Engineering Index Backfile | 1948
    Schlagwörter: Helicopters

    Standard Symbols for Helicopters

    A. Gessow | NTIS | 1948
    Schlagwörter: Helicopters

    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

    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

    Two-dimensional investigation of five related NACA airfoil sections designed for rotating-wing aircraft

    Schaefer, R.F. / Loftin, Jr., L.K. / Horton, E.A. | Engineering Index Backfile | 1949
    Schlagwörter: Helicopters

    Introduction to physical aspects of helicopter stability

    Gessow, A. / Amer, K.B. | Engineering Index Backfile | 1950
    Schlagwörter: Helicopters

      Introduction to physical aspects of helicopter stability

      Gessow, A. / Amer, K.B. | Engineering Index Backfile | 1949
      Schlagwörter: Helicopters

    Analytical study of steady vertical descent in autorotation of single-rotor helicopters

    Nikolsky, A.A. / Seckel, E. | Engineering Index Backfile | 1949
    Schlagwörter: Helicopters

    Analysis of transition of helicopter from hovering to steady autorotative vertical descent

    Nikolsky, A.A. / Seckel, E. | Engineering Index Backfile | 1949
    Schlagwörter: Helicopters

    Test and Evaluation of HRP Helicopter CG No. 111823

    NTIS | 1949
    Schlagwörter: Helicopters

    Hovering and low-speed performance and control characteristics of aerodynamic-servocontrolled helicopter rotor system as determined on Langley helicopter tower

    Carpenter, P.J. / Paulnock, R.S. | Engineering Index Backfile | 1950
    Schlagwörter: Helicopters

    Theory of helicopter damping in pitch or roll and comparison with flight measurements

    Amer, K.B. | Engineering Index Backfile | 1950
    Schlagwörter: Helicopters

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

    Morduchow, M. | Engineering Index Backfile | 1950
    Schlagwörter: Helicopters

    Analysis of autorotative performance of helicopter powered by rotor-tip jet units

    Gessow, A. | Engineering Index Backfile | 1950
    Schlagwörter: Helicopters

    Static longitudinal stability and control of convertible-type airplane as affected by articulated- and rigid-propeller operation

    Lange, R.H. / McLemore, H.C. | Engineering Index Backfile | 1950
    Schlagwörter: Helicopters

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