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  • Transfer functions for nonlinear systems via Fourier-Borel transforms [microform] / Sumer Can and Aynur Unal.

    • Text
    • Moffett Field, Calif. : National Aeronautics and Space Administration, Ames Research Center : US Army Aviation Systems Command, Aviation Research and Technology Activity ; [Springfield, Va. : For sale by the National Technical Information Service, 1988]
    • 1990-1988

  • NASA low-speed centrifugal compressor for 3-D viscous code assessment and fundamental flow physics research [microform] / M.D. Hathaway, J.R. Wood and C.A. Wasserbauer.

    • Text
    • [Washington, DC] : National Aeronautics and Space Administration ; [St. Louis, Mo.] : US Army Aviation Systems Command, Aviation R&T Activity ; [Springfield, Va. : For sale by the National Technical Information Service, 1991]
    • 1991-1991

  • Two reference time scales for studying the dynamic cavitation of liquid films [microform] / D.C. Sun and David E. Brewe.

    • Text
    • [Washington, DC] : National Aeronautics and Space Administration ; [St. Louis, Mo.] : US Army Aviation Systems Command, Aviation R&T Activity ; [Springfield, Va. : For sale by the National Technical information Service, 1991]
    • 1991-1991

  • Pressure distribution data from tests of 2.29 M (7.5 ft.) span EET high-lift transport aircraft model in the Ames 12-foot pressure tunnel [microform] / Scott O. Kjelgaard and Harry L. Morgan, Jr.

    • Text
    • Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center, [1983]
    • 1985-1983

  • Effects of inlet distortion on the development of secondary flows in a subsonic axial inlet compressor rotor [microform] / Albert K. Owen.

    • Text
    • [Washington, DC] : National Aeronautics and Space Administration ; [St. Louis, Mo.] : US Army Aviation Systems Command, Aviation R&T Activity ; [Springfield, Va. : For sale by the National Technical information Service, 1991]
    • 1991

  • In-situ x-ray monitoring of damage accumulation in SiC/RBSN tensile specimens [microform] / George Y. Baaklini and Ramakrishna T. Bhatt.

    • Text
    • [Washington, DC] : National Aeronautics and Space Administration ; [St. Louis, Mo.] : US Army Aviation Systems Command, Aviation R&T Activity ; [Springfield, Va. : For sale by the National Technical information Service, 1991]
    • 1991

  • Modal analysis of multistage gear systems coupled with gearbox vibrations [microform] / F.K. Choy ... [et al.].

    • Text
    • [Washington, DC] : National Aeronautics and Space Administration ; [St. Louis, Mo.] : US Army Aviation Systems Command, Aviation R&T Activity ; [Springfield, Va. : For sale by the National Technical Information Service, 1991]
    • 1991

  • RWF rotor-wake-fuselage code software reference guide [microform] / John D. Berry.

    • Text
    • Hampton, Va. : National Aeronautics and Space Administration, Langley Research Cneter ; [St. Louis, Mo.] : US Army Aviation Systems Command, Aviation R&T Activity, [1991]
    • 1991

  • Surface fatigue life of carburized and hardened M50NiL and AISI 9310 spur gears and rolling-contact test bars [microform] / Dennis P. Townsend and Eric N. Bamberger.

    • Text
    • [Washington, DC] : National Aeronautics and Space Administration ; [St. Louis, Mo.] : US Army Aviation Systems Command, Aviation R&T Activity ; [Springfield, Va. : For sale by the National Technical information Service, 1989]
    • 1989

  • Maximum life spur gear design [microform] / M. Savage ... [et al.].

    • Text
    • [Washington, DC] : National Aeronautics and Space Administration ; [St. Louis, Mo.] : US Army Aviation Systems Command, Aviation R&T Activity ; [Springfield, Va. : For sale by the National Technical information Service, 1991]
    • 1991

  • Acoustical analysis of gear housing vibration [microform] / A. F. Seybert ... [et al.].

    • Text
    • [Washington, DC] : National Aeronautics and Space Administration ; [St. Louis, Mo.] : US Army Aviation Systems Command, Aviation R&T Activity ; [Springfield, Va. : For sale by the National Technical Information Service, 1991]
    • 1991

  • Perceptual style and air-to-air tracking performance [microform] / Paul Atchley.

    • Text
    • Moffett Field, Calif. : National Aeronautics and Space Administration, Ames Research Center : US Army Aviation Systems Command, Aviation Research and Technology Activity ; [Springfield, Va. : For sale by the National Technical Information Service, 1991]
    • 1991

  • Review of the transmissions of the Soviet helicopters [microform] / Lev I. Chaiko.

    • Text
    • [Washington, D.C.] : National Aeronautics and Space Administration ; [St. Louis, Mo.] : US Army Aviation Systems Command, Aviation R&T Activity, [1990]
    • 1990

  • Calculations of hot gas ingestion for a STOVL aircraft model [microform] / David M. Fricker, James D. Holdeman, and Surya P. Vanka.

    • Text
    • [Washington, DC] : National Aeronautics and Space Administration ; [St. Louis, Mo.] : US Army Aviation Systems Command, Aviation R&T Activity ; [Springfield, Va. : For sale by the National Technical information Service, 1992]
    • 1992

  • Modeling methods for high-fidelity rotorcraft flight mechanics simulation [microform] / M. Hossein Mansur ... [et al.].

    • Text
    • Moffett Field, Calif. : National Aeronautics and Space Administration, Ames Research Center : US Army Aviation Systems Command, Aviation Research and Technology Activity, [1992]
    • 1992

  • Contact stresses in meshing spur gear teeth [microform] : use of an incremental finite element procedure / Chih-Ming Hsieh and Ronald L. Huston and Fred B. Oswald.

    • Text
    • [Washington, D.C.?] : National Aeronautics and Space Administration ; [St. Louis, Mo.] : US Army Aviation Systems Command, [1992]
    • 1992

  • Residual thermal and moisture influences on the strain energy release rate analysis of local delaminations from matrix cracks [microform] / T.K. O'Brien.

    • Text
    • Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [St. Louis, Mo.] : US Army Aviation Systems Command, Aviation R&T Activity, [1991]
    • 1991

  • Flapping inertia for selected rotor blades [microform] / John D. Berry, Matthew J. May.

    • Text
    • Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [St. Louis, Mo.] : US Army Aviation Systems Command, Aviation R&T Activity, [1991]
    • 1991

  • Damage prediction in cross-plied curved composite laminates [microform] / Roderick H. Martin and Wade C. Jackson.

    • Text
    • Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center : US Army Aviation Systems Command, Aviation R&T Activity, [1991]
    • 1991

  • Local delamination in laminates with angle ply matrix cracks. Part II, Delamination fracture analysis and fatigue characterization [microform] / T.K. O'Brien.

    • Text
    • Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; US Army Aviation Systems Command, Aviation R&T Activity, [1991]
    • 1991

  • Local delamination in laminates with angle ply matrix cracks. Part II, Tension tests and stress analysis [microform] / T.K. O'Brien and S.J. Hooper.

    • Text
    • Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; US Army Aviation Systems Command, Aviation R&T Activity, [1991]
    • 1991

  • Effect of initial delamination on mode I and mode II interlaminar fracture toughness and fatigue fracture threshold [microform] / Gretchen Bostaph Murri and Roderick H. Martin.

    • Text
    • Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center, [1991]
    • 1991

  • Optimizing tuning masses for helicopter rotor blade vibration reduction including computed airloads and comparison with test data [microform] / Jocelyn I. Pritchard ... [et al.].

    • Text
    • Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [St. Louis, Mo.] : US Army Aviation Systems Command, Aviation R&T Activity, [1992]
    • 1992

  • Improved finite-element methods for rotorcraft structures [microform] / Howard E. Hinnant.

    • Text
    • Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [St. Louis, Mo.] : US Army Aviation Systems Command, Aviation R&T Activity, [1991]
    • 1991

  • Detailed analysis and test correlation of a stiffened composite wing panel [microform] / D. Dale Davis, Jr.

    • Text
    • Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [St. Louis, Mo.] : US Army Aviation Systems Command, Aviation R&T Activity, [1991]
    • 1991

  • Delamination behavior of quasi-isotropic graphite epoxy laminates subjected to tension and torsion loads [microform] / J.A. Hinkley and T.K. O'Brien.

    • Text
    • Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [St. Louis, Mo.] : US Army Aviation Systems Command, Aviation R&T Activity ; [Springfield, Va.? : National Technical Information Service [distributor], 1992]
    • 1992

  • The use of impact force as a scale parameter for the impact response of composite laminates [microform] / Wade C. Jackson and C.C. Poe, Jr.

    • Text
    • Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [St. Louis, Mo.] : US Army Aviation Systems Command, Aviation R&T Activity ; [Springfield, Va. : For sale by the National Technical Information Service, 1992]
    • 1992

  • An interlaminar tension strength specimen [microform] / Wade C. Jackson and Roderick H. Martin.

    • Text
    • Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [St. Louis, Mo.] : US Army Aviation Systems Command, Aviation R&T Activity ; [Springfield, Va.? : National Technical Information Service, distributor, 1992]
    • 1992

  • Elevated temperature axial and torsional fatigue behavior of Haynes 188 [microform] / Peter J. Bonacuse and Sreeramesh Kalluri.

    • Text
    • [Washington, DC] : National Aeronautics and Space Administration ; [St. Louis, Mo.] : US Army Aviation Systems Command, Aviation R&T Activity ; [Springfield, Va. : For sale by the National Technical information Service, 1992]
    • 1992

  • A Demonstration of passive blade twist control using extension-twist coupling [microform] / Renee C. Lake ... [et al.].

    • Text
    • Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center : U.S. Army Aviation Systems Command, Aviation R&T Activity ; [Springfield, Va. : For sale by the National Technical Information Service, 1992]
    • 1992

  • Crew station research and development facility training for the light helicopter demonstration/validation program [microform] / Joy Hamerman Matsumoto ... [et al.].

    • Text
    • Moffett Field, Calif. : National Aeronautics and Space Administration, Ames Research Center : US Army Aviation Systems Command, Aviation Research and Technology Activity ; [Springfield, Va. : For sale by the National Technical Information Service, 1992]
    • 1992

  • Recent advances in multidisciplinary optimization of rotorcraft [microform] / Howard M. Adelman, Joanne L. Walsh, Jocelyn I. Pritchard.

    • Text
    • Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [St. Louis, Mo.] : US Army Aviation Systems Command, Aviation R&T Activity, [1992]
    • 1992

  • Scale effects on the transverse tensile strength of graphite composites [microform] / T.K. O'Brien and S.A. Salpekar.

    • Text
    • Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [St. Louis, Mo.] : US Army Aviation Systems Command, Aviation R&T Activity, [1992]
    • 1992

  • Results of ASTM round robin testing for mode I interlaminar fracture toughness of composite materials [microform] / T.K. O'Brien and R.H. Martin.

    • Text
    • Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [St. Louis, Mo.] : US Army Aviation Systems Command, Aviation R&T Activity, [1992]
    • 1992

  • A Comparison between theoretical prediction and experimental measurement of the dynamic behaviour of spur gears [microform] / Brian Rebbechi ... [et al.].

    • Text
    • [Washington, DC : National Aeronautics and Space Administration ; St. Louis, Mo.] : US Army Aviation Systems Command, Aviation R&T Activity ; [Springfield, Va. : For sale by the National Technical information Service, 1992]
    • 1992

  • Cyclopentadiene evolution during pyrolysis-gas chromatography of PMR polyimides [microform] / William B. Alston, Richard E. Gluyas, and William J. Snyder.

    • Text
    • [Washington, DC : National Aeronautics and Space Administration ; St. Louis, Mo.] : US Army Aviation Systems Command, Aviation R&T Activity ; [Springfield, Va. : For sale by the National Technical information Service, 1992]
    • 1992

  • Inflow measurements made with a laser velocimeter on a helicopter model in forward flight. Volume VII, Rectangular planform blades at an advance ratio of 0.40 [microform] / Danny R. Hoad ... [et al.].

    • Text
    • Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [St. Louis, Mo.] : US Army Aviation Systems Command, Aviation R&T Activity, [1989]
    • 1989

  • Inflow measurements made with a laser velocimeter on a helicopter model in forward flight. Volume VI, Rectangular planform blades at an advance ratio of 0.35 [microform] / Danny R. Hoad ... [et al.].

    • Text
    • Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [St. Louis, Mo.] : US Army Aviation Systems Command, Aviation R&T Activity, [1989]
    • 1989

  • Inflow measurements made with a laser velocimeter on a helicopter model in forward flight. Volume IX, Rectangular planform blades at an advance ratio of 0.23, 0.75 chord above the tip path plane microform / Susan L. Althoff ... [et al.].

    • Text
    • Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [St. Louis, Mo.] : US Army Aviation Systems Command, Aviation R&T Activity, [1990]
    • 1990

  • Inflow measurements made with a laser velocimeter on a helicopter model in forward flight. Volume XI, Rectangular planform blades at an advance ratio of 0.30, 0.75 chord above the tip path plane microform / Susan L. Althoff ... [et al.].

    • Text
    • Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [St. Louis, Mo.] : US Army Aviation Systems Command, Aviation R&T Activity, [1990]
    • 1990

  • Induced inflow velocity and blade surface pressure measurements for a helicopter model in forward flight. Volume 1, Advance ratio of 0.37, thrust coefficient of 0.0081 and hover tip speed of 710 ft/sec [microform] / Joe W. Elliott ... [et al.].

    • Text
    • Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [St. Louis, Mo.] : US Army Aviation Systems Command, Aviation R&T Activity, [1992]
    • 1992

  • Inflow measurements made with a laser velocimeter on a helicopter model in forward flight. Volume IX, Rectangular planform blades at an advance ratio of 0.23, 0.75 chord above the tip path plane microform / Susan L. Althoff ... [et al.].

    • Text
    • Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [St. Louis, Mo.] : US Army Aviation Systems Command, Aviation R&T Activity, [1990]
    • 1990

  • Inflow measurements made with a laser velocimeter on a helicopter model in forward flight. Volume X, Rectangular planform blades at an advance ratio of 0.30, 0.50 chord above the tip path plane microform / Susan L. Althoff ... [et al.].

    • Text
    • Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [St. Louis, Mo.] : US Army Aviation Systems Command, Aviation R&T Activity, [1990]
    • 1990

  • Computer-aided design of high-contact-ratio gears for minimum dynamic load and stress [microform] / Hsiang Hsi Lin ... [et al.].

    • Text
    • [Washington, DC : National Aeronautics and Space Administration ; St. Louis, Mo.] : US Army Aviation Systems Command, Aviation R&T Activity ; [Springfield, Va. : For sale by the National Technical information Service, 1990]
    • 1990

  • Dynamics of multistage gear transmission with effects of gearbox vibrations [microform] / F.K. Choy ... [et al.].

    • Text
    • [Washington, DC : National Aeronautics and Space Administration ; St. Louis, Mo.] : US Army Aviation Systems Command, Aviation R&T Activity ; [Springfield, Va. : For sale by the National Technical Information Service, 1990]
    • 1990

  • Scaling effects in the static and dynamic response of graphite-epoxy beam-columns [microform] / Karen E. Jackson.

    • Text
    • Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [St. Louis, MO] : US Army Aviation Systems Command, Aviation R&T Activity, [1990]
    • 1990

  • Theory of gearing [microform] / Faydor L. Litvin.

    • Text
    • Washington, DC : National Aeronautics and Space Administration, Scientific and Technical Information Division ; [Cleveland, Ohio] : US Army Aviation Systems Command, Aviation R&T Activity, [1989]
    • 1989

  • Incompressible spectral-element method--derivation of equations [microform] / Russell G. DeAnna.

    • Text
    • [Washington, DC] : National Aeronautics and Space Administration ; [St. Louis, Mo.] : US Army Aviation Systems Command, Aviation R&T Activity ; [Springfield, Va. : National Technical Information Service, distributor, 1993]
    • 1993

  • Distributed simulation using a real-time shared memory network [microform] / Donald L. Simon.

    • Text
    • [Washington, DC : National Aeronautics and Space Administration ; St. Louis, Mo.] : US Army Aviation Systems Command, Aviation R&T Activity ; [Springfield, Va. : National Technical information Service, distributor, 1993]
    • 1993

  • Fault detection of helicopter gearboxes using the multi-valued influence matrix method [microform] / Hsinyung Chin and Kourosh Danai.

    • Text
    • [Washington, DC] : National Aeronautics and Space Administration ; [St. Louis, Mo.] : US Army Aviation Systems Command, Aviation R&T Activity ; [Springfield, Va. : National Technical information Service, distributor, 1993]
    • 1993

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