51–100 of 3,338 hits
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    Propeller charts for determination of rotational speed for maximum ratio of propulsive efficiency to specific fuel consumption

    Biermann, D. / Conway, R.N. | Engineering Index Backfile | 1942
    Charts presented are to be used in calculation of range and endurance of airplane equipped with constant speed propellers in which, for ...
    Publisher: National Advisory Committee for Aeronautics (United States Advisory Committee for Aeronautics)

    Pressure available for cooling with cowling flaps

    Stickle, G.W. / Naiman, I. / Crigler, J.L. | Engineering Index Backfile | 1941
    Publisher: National Advisory Committee for Aeronautics (United States Advisory Committee for Aeronautics)

    Line-vortex theory for calculation of supersonic downwash

    Mirels, H. / Haefeli, R.C. | Engineering Index Backfile | 1950
    approximate methods for determining downwash behind supersonic wings. ...
    Publisher: National Advisory Committee for Aeronautics

      Line vortex theory for calculation of supersonic downwash

      Mirels, H. / Haefeli, R.C. | Engineering Index Backfile | 1949
      Perturbation field induced by line vortex in supersonic stream and downwash behind supersonic lifting surfaces are examined for purpose of ...
      Publisher: National Advisory Committee for Aeronautics

    Stability of castering wheels for aircraft landing gears

    Kantrowitz, A. | Engineering Index Backfile | 1940
    Publisher: National Advisory Committee for Aeronautics (United States Advisory Committee for Aeronautics)

    Theoretical symmetric span loading at subsonic speeds for wings having arbitrary plan form

    DeYoung, J. / Harper, C.W. | Engineering Index Backfile | 1948
    Theoretical symmetric span loading at subsonic speeds for wings having arbitrary plan form. (35¢) (published 1950) ...
    Publisher: National Advisory Committee for Aeronautics

    Use of source distributions for evaluating theoretical aerodynamics of thin finite wings at supersonic speeds

    Evvard, J.C. | Engineering Index Backfile | 1950
    Use of source distributions for evaluating theoretical aerodynamics of thin finite wings at supersonic speeds. (25¢) ...
    Publisher: National Advisory Committee for Aeronautics

    Generalized equations for selection charts for heat exchangers in aircraft

    Tifford, A.N. / Wood, G.P. | Engineering Index Backfile | 1942
    Method of deriving generalized coordinates for selection charts for any type of heat exchanger -- cross flow, counterflow or parallel flow ...
    Publisher: National Advisory Committee for Aeronautics

    Linearized compressible-flow theory for sonic flight speeds

    Heaslet, M.A. / Lomax, H. / Spreiter, J.R. | Engineering Index Backfile | 1949
    Partial differential equation for perturbation velocity potential is examined for free stream Mach numbers close to and equal to one. ...
    Publisher: National Advisory Committee for Aeronautics

      Linearized compressible-flow theory for sonic flight speeds

      Heaslet, M.A. / Lomax, H. / Spreiter, J.R. | Engineering Index Backfile | 1950
      Partial differential equation for perturbation velocity potential is examined for free stream Mach numbers close to and equal to one. (20¢) ...
      Publisher: National Advisory Committee for Aeronautics

    General formulas and charts for calculation of airplane performance

    Oswald, W.B. | Engineering Index Backfile | 1932
    Development of formulas for determination of major airplane performance characteristics making no assumption regarding altitude of airplane ...
    Publisher: National Advisory Committee for Aeronautics

    Strength of welded joints in tubular members for aircraft

    Whitteman, H.L. / Brueggeman, W.C. | Engineering Index Backfile | 1930
    Publisher: National Advisory Committee for Aeronautics

    Requirements for satisfactory flying qualities of airplanes

    Gilruth, R.R. | Engineering Index Backfile | 1947
    Need for quantitative design criterions for describing those qualities that make up satisfactory controllability, stability, and handling ...
    Publisher: National Advisory Committee for Aeronautics

      Requirements for satisfactory flying qualities of airplanes

      Gilruth, R.R. | Engineering Index Backfile | 1941
      Requirements for satisfactory flying qualities of airplanes. (Advance Confidential Report April 1941) ...
      Publisher: National Advisory Committee for Aeronautics

    Theory for primary failure of straight centrally loaded columns

    Lundquist, E.E. / Fligg, C.M. | Engineering Index Backfile | 1937
    Publisher: National Advisory Committee for Aeronautics

      Theory for primary failure of straight centrally loaded columns

      Lundquist, E.E. / Fligg, C.M. | Engineering Index Backfile | 1937
      Publisher: National Advisory Committee for Aeronautics

    Experimental investigation of momentum methods for determining profile drag

    Goett, H.J. | Engineering Index Backfile | 1939
    Experimental investigation conducted in ful scale tunnel to determine accuracy of Jones and Betz equations for computing profile drag from ...
    Publisher: National Advisory Committee for Aeronautics (United States Advisory Committee for Aeronautics)

    Design of N.A.C.A. Cowlings for radial air-cooled engines

    Stickle, G.W. | Engineering Index Backfile | 1939
    Publisher: National Advisory Committee for Aeronautics (United States Advisory Committee for Aeronautics)

    Drag and cooling with various forms of cowling for a whirlwind radial air cooled engine

    Weick, F.E. | Engineering Index Backfile | 1929
    completely cowled nacelle is over twice that with cabin fuselage; results of flight tests. (see also Aviation, vol. 26, no. 7, Feb. 16, 1929 ...
    Publisher: National Advisory Committee for Aeronautics

    Working charts for determination of lift distribution between biplane wings

    Kuhn, P. | Engineering Index Backfile | 1932
    dihedral in upper and lower wings may be properly provided for by utilizing concepts of average stagger and average gap/chord ratio. ...
    Publisher: National Advisory Committee for Aeronautics

    Method for calculating heat transfer in laminar flow region of bodies

    Allen, H.J. / Look, B.C. | Engineering Index Backfile | 1947
    on aircraft; comparison of calculated average heat transfer coefficient for nose section of wing of Lockheed 12-A airplane with that ...
    Publisher: National Advisory Committee for Aeronautics

    Apparatus for varying effective dihedral in flight with application to study of tolerable dihedral on conventional fighter airplane

    Kauffman, W.M. / Liddell, Jr., C.J. / Smith, A. et al. | Engineering Index Backfile | 1950
    Publisher: National Advisory Committee for Aeronautics

    Recommendations for numerical solution of reinforced-panel and fuselage-ring problems

    Hoff, N.J. / Libby, P.A. | Engineering Index Backfile | 1948
    Publisher: National Advisory Committee for Aeronautics

      Recommendations for numerical solution of reinforced-panel and fuselage-ring problems

      Hoff, N.J. / Libby, P.A. | Engineering Index Backfile | 1949
      Procedures recommended for solving equations of equilibrium of reinforced panels and isolated fuselage rings as represented by external ...
      Publisher: National Advisory Committee for Aeronautics

    Preignition indicator for aircraft engines

    Dallas, T. / Hoss, G. / Harries, M.L. | Engineering Index Backfile | 1945
    Preignition indicator for aircraft engines. (Originally issued as Restricted Bulletin E5A31) ...

    Charts for determining propeller efficiency

    Crigler, J.L. / Talkin, H.W. | Engineering Index Backfile | 1944
    Charts for determining propeller efficiency. (Advance Confidential Report L4129 Sept 1944) ...
    Publisher: National Advisory Committee for Aeronautics

    Critical stresses for plates

    Lundquist, E.E. / Schuette, E.H. | Engineering Index Backfile | 1943
    Critical Stresses for Plates. (Advance Restricted Report 3J27) ...

    Theoretical analysis of various thrust-augmentation cycles for turbojet engines

    Lundin, B.T. | Engineering Index Backfile | 1950
    Publisher: National Advisory Committee for Aeronautics

      Theoretical analysis of various thrust-augmentation cycles for turbojet engines

      Lundin, B.T. | Engineering Index Backfile | 1950
      Publisher: National Advisory Committee for Aeronautics

    Flight investigation of lateral control devices for use with full-span flaps

    Soule, H.A. / Mcavoy, W.H. | Engineering Index Backfile | 1935
    Flight tests of 5 lateral control devices for wings with full-span flaps; controllable auxiliary airfoils, external ailerons, upper-surface ...
    Publisher: National Advisory Committee for Aeronautics

    Theoretical stability derivatives of thin sweptback wings tapered to point with sweptback or sweptforward trailing edges for limited range of supersonic speeds

    Malvestuto, Jr., F.S. / Margolis, K. | Engineering Index Backfile | 1950
    Theoretical stability derivatives of thin sweptback wings tapered to point with sweptback or sweptforward trailing edges for limited range ...
    Publisher: National Advisory Committee for Aeronautics

    Drag and propulsive characteristics of air-cooled engine-nacelle installations for large airplanes

    Silverstein, A. / Wilson, Jr., H.A. | Engineering Index Backfile | 1942
    Publisher: National Advisory Committee for Aeronautics (United States Advisory Committee for Aeronautics)

    Theoretical and experimental data for number of NACA 6A-series airfoil sections

    Loftin, Jr., L.K. | Engineering Index Backfile | 1947
    6A-series airfoil sections designed to eliminate trailing edge cusp characteristic of NACA 6-series sections; data presented for NACA 6A ...
    Publisher: National Advisory Committee for Aeronautics

      Theoretical and experimental data for number of NACA 6A-series airfoil sections

      Loftin, Jr., L.K. | Engineering Index Backfile | 1948
      6A series sections designed to eliminate trailing edge cusp which is characteristic of 6 series sections; theoretical data presented for 6A ...
      Publisher: National Advisory Committee for Aeronautics

    Influence of loading condition on piloting technique for spin recovery for pursuit airplanes

    Soule, H.A. / Seidman, O. | Engineering Index Backfile | 1942
    Influence of Loading Condition on Piloting Technique for Spin Recovery for Pursuit Airplanes. (Restricted Bul) ...
    Publisher: National Advisory Committee for Aeronautics

    Rubber conductors for aircraft ignition cables

    Swett, Jr., C.C. / Dietrich, J.R. | Engineering Index Backfile | 1945
    Publisher: National Advisory Committee for Aeronautics

    Investigation of thermal ice-prevention system for twin-engine transport airplane

    Jones, A.R. | Engineering Index Backfile | 1948
    Investigation of Thermal Ice-Prevention System for Twin-Engine Transport Airplane. (25¢) ...
    Publisher: National Advisory Committee for Aeronautics

    Performance charts for turbojet system

    Pinkel, B. / Karp, I.M. | Engineering Index Backfile | 1946
    Performance charts for turbojet system. (Advance Restricted Report E6E14 June 1946) ...
    Publisher: National Advisory Committee for Aeronautics

    Theoretical comparison of several methods of thrust augmentation for turbojet engines

    Hall, E.W. / Wilcox, E.C. | Engineering Index Backfile | 1950
    Theoretical comparison of several methods of thrust augmentation for turbojet engines. ...
    Publisher: National Advisory Committee for Aeronautics

    Wing-nacelle-propeller interference for wings of various spans force and pressure-distribution tests

    Robinson, R.G. / Herrnstein, Jr., W.H. | Engineering Index Backfile | 1936
    wings, reported in Technical Reports 415, 436, 462, 505, 506 and 507. (Price 10¢) ...
    Publisher: National Advisory Committee for Aeronautics

    Belt method for measuring pressure distribution

    Corson, Jr., B.W. | Engineering Index Backfile | 1943
    Publisher: National Advisory Committee for Aeronautics

    Aircraft accidents : method of analysis

    Committee on Aircraft Accidents | TIBKAT | 1936

    Exhaust-stack nozzle area and shape for individual cylinder exhaust-gas jet-propulsion system

    Pinkel, B. / Turner, L.R. / Voss, F. et al. | Engineering Index Backfile | 1943
    several simple parameters; example given for design of optimum jet stacks and for gain in net thrust horsepower. (released 1948; 20¢) ...
    Publisher: National Advisory Committee for Aeronautics

    Lateral control required for satisfactory flying qualities based on flight tests of numerous airplanes

    Gilruth, R.R. / Turner, W.N. | Engineering Index Backfile | 1941
    Publisher: National Advisory Committee for Aeronautics (United States Advisory Committee for Aeronautics)

    Proposal for propeller side-force factor

    Ribner, H.S. | Engineering Index Backfile | 1943
    Publisher: National Advisory Committee for Aeronautics

    Investigation of thermal ice-prevention system for C-46 cargo airplane

    Engineering Index Backfile | 1945
    Analysis of Thermal Design for Wings, Empennage, and Windshield, C. B. NEEL, Jr; No. A-33 (Advance Restricted Report 5C20 May 1945) 31 p ...
    Publisher: National Advisory Committee for Aeronautics

    Method for studying hunting oscillations of airplane with simple type of automatic control

    Jones, R.T. | Engineering Index Backfile | 1944
    Publisher: National Advisory Committee for Aeronautics

    Methods used in NACA tank for investigation of longitudinal stability characteristics of models of flying boats

    Olson, R.E. / Land, N.S. | Engineering Index Backfile | 1643
    Investigation of suitable methods for evaluating stability and determining design parameters which have important effect on porpoising ...
    Publisher: National Advisory Committee for Aeronautics

    Semi-rational criterion for unsymmetrical gust loads

    Rhode, R.V. / Pearson, H.A. | Engineering Index Backfile | 1941
    Suggestion for generally applicable gust criterion for airplane wings that yields design loads which appear to be reasonable and in accord ...
    Publisher: National Advisory Committee for Aeronautics

    Frequency-response method for determination of dynamic stability characteristics of airplanes with automatic controls

    Greenberg, H. | Engineering Index Backfile | 1947
    Frequency-Response Method for Determination of Dynamic Stability Characteristics of Airplanes with Automatic Controls. (15¢) ...
    Publisher: National Advisory Committee for Aeronautics

    Piloting technique for recovery from spins

    McAvoy, W.H. | Engineering Index Backfile | 1936
    Flight investigations of spinning characteristics of various airplanes over period of several years; rules of procedure particularly for ...
    Publisher: National Advisory Committee for Aeronautics
    Keywords: Aviation

    NACA radio ground-speed system for aircraft

    Hastings, C.E. | Engineering Index Backfile | 1943
    Method that utilizes Doppler effect on radio signals for determining speed and distance traveled by airplane. (Advance Confidential Report) ...
    Publisher: National Advisory Committee for Aeronautics

    Method for predicting elevator deflection required to land

    Goranson, F. | Engineering Index Backfile | 1944
    Method for predicting elevator deflection required to land. (Advance Restricted Report L4I16 Sept 1944) ...
    Publisher: National Advisory Committee for Aeronautics

    Aircraft accidents : method of analysis

    Committee on Aircraft Accidents | TIBKAT | 1930

    Design charts for predicting downwash angles and wake characteristics behind plain and flapped wings

    Silverstein, A. / Katzoff, S. | Engineering Index Backfile | 1939
    Equation and design charts given for types used in modern design practice; method of estimating wake position included. ...
    Publisher: National Advisory Committee for Aeronautics (United States Advisory Committee for Aeronautics)

    Charts for calculation of critical compressive stress for local instability of idealized web- and T-stiffened panels

    Boughan, R.B. / Baab, G.W. | Engineering Index Backfile | 1944
    Study made for specific application to airplane wing design. (Advance Restricted Report L4H29) ...
    Publisher: National Advisory Committee for Aeronautics

    Standard nomenclature for airspeeds with tables and charts for use in calculation of airspeed

    Aiken, Jr., W.S. | Engineering Index Backfile | 1946
    Publisher: United States Advisory Committee for Aeronautics
    Keywords: Aeronautics