Contrails
The goal of the Contrails project is to help preserve and disseminate the technical record of 20th century aerospace research, highlighting in particular the research endeavors of the Illinois Tech community.

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49 reports

Evaluation Study of the Oxidation-Corrosion Characteristics of Aircraft Turbine Engine Lubricants. Volume II.

Author(s): Cuellar, J. P.; Baber, B. B.
Corporate Author: Southwest Research Inst San Antonio TX
Date of Publication: 1970-05
Report Number: AFAPL TR 70-10 Volume 2
full text by request

Research on Exploratory Development of Nondestructive Methods for Crack Detection. Part III.

Author(s): Schroeer, Rudi M.
Corporate Author: Arvin Systems Inc Dayton OH
Laboratory: Air Force Materials Laboratory
Date of Publication: 1970-03
Report Number: AFML TR 67-167 Part 3
full text by request

Investigation of Advanced Filament Wound Aircraft Landing Gear Structures

Author(s): Yurenka, Steven
Corporate Author: McDonnell Douglas Corp Long Beach CA Douglas Aircraft Div
Laboratory: Air Force Materials Laboratory
Date of Publication: 1970-01
Report Number: AFML TR 69-229
full text by request

Fatigue, Tensile and Creep Properties of 17-7 PH TH 1050 and AM 350 SCT Sheet

Author(s): Bass, Colin D.; Harmsworth, C. L.
Corporate Author: Air Force Materials Lab Wright-Patterson AFB OH
Date of Publication: 1970-03
Report Number: AFML TR 69-331
full text by request

An Improved Process for the Working of Welded Titanium Alloy Tubing

Author(s): Huber, R. F.; Loewenstein, P.
Corporate Author: Whittaker Corporation
Laboratory: Air Force Materials Laboratory
Date of Publication: 1970-02
Report Number: AFML TR 69-333
full text by request

Mechanical Properties, Including Fracture Toughness and Fatigue, Corrosion Characteristics and Fatigue-Crack Propagation Rates of Stress-Relieved Aluminum Alloy Hand Forgings

Author(s): Brownhill, D. J.; Babilon, C. F.; Nordmark, G. E.; Sprowls, D. O.
Corporate Author: Aluminum Co Of America Alcoa Center PA Alcoa Labs
Laboratory: Air Force Materials Laboratory
Date of Publication: 1970-02
Report Number: AFML TR 70-10
full text by request

Thermo-Mechanical Strengthening of High-Strength Titanium Alloys

Author(s): Greenfield, M. A.; Margolin, H.
Corporate Author: New York Univ NY Engineering Research Div
Laboratory: Air Force Materials Laboratory
Date of Publication: 1970-04
Report Number: AFML TR 70-43
full text by request

High Resolution Chemical Ionization Mass Spectroscopy

Author(s): Futrell, Jean H.
Corporate Author: Utah Univ Salt Lake City Dept Of Chemistry
Laboratory: Air Force Materials Laboratory
Date of Publication: 1970-05
Report Number: AFML TR 70-65
full text by request

Analytical Approach to Composite Behavior

Author(s): Ebert, L. J.; Claxton, R. J.; Kmieciak, H.; Wright, P. K.
Corporate Author: Case Western Reserve Univ Cleveland Oh Dept Of Metallurgy
Date of Publication: 1970-06
Report Number: AFML TR 70-104
full text by request

Manufacturing Techniques for Application of Erosion Resistant Coatings to Turbine Engine Compressor Components

Author(s): Green, Harry M.
Corporate Author: General Electric Co Lynn MA Aircraft Engine Business Group
Date of Publication: 1970-05
Report Number: AFML TR 70-114
full text by request

Application of Photochromic Coatings for Nondestructive Inspection

Author(s): Allinikov, Sidney
Corporate Author: Air Force Materials Lab Wright-Patterson AFB Ohio
Date of Publication: 1970-12
Report Number: AFML TR 70-246
full text by request

Spatial Decay in the Response of Damped Periodic Structures, Part II.

Author(s): Y. K. Lin and R. Vaicaitis
Corporate Author: University of Illinois
Laboratory: Air Force Materials Laboratory
Date of Publication: 1970-08
Report Number: AFML TR 69-308 Part 2
full text by request

Propagation of Flexural Waves in Infinite, Damped Rib-Skin Structures

Author(s): D. J. Mead and G. Sen Gupta
Corporate Author: University of Southampton
Laboratory: Air Force Materials Laboratory
Date of Publication: 1970-01
Report Number: AFML TR 70-13
full text by request

Free-Wave Propagation in Periodically-Supported, Infinite Beams

Author(s): D. J. Mead
Corporate Author: University of Southampton
Laboratory: Air Force Materials Laboratory
Date of Publication: 1970-01
Report Number: AFML TR 70-14
full text by request

Analytical Prediction of Defects Occurrence in Simple and Complex Forgings


Date of Publication: 1970-07
Report Number: AFML TR 70-90
full text by request

A Continuing Systematic Program on Tables of Thermophysical Properties of Materials

Author(s): C. Y. Ho
Corporate Author: Purdue University
Date of Publication: 1970-06
Report Number: AFML TR 70-92
full text by request

Development of a 900F Titanium Alloy


Date of Publication: 1970-07
Report Number: AFML TR 70-125
full text by request
full text by request

Evaluation of Commercially Available Eddy Current Equipment


Date of Publication: 1970-05
Report Number: AFML TR 69-221
full text by request

A Study of the Effectiveness of Selected Aniwear Additives in Synthetic Esters

Author(s): Kenneth A. Davis, Major, USAF
Corporate Author: Air Force Materials Laboratory
Laboratory: Air Force Materials Laboratory
Date of Publication: 1970-07
Report Number: AFML TR 69-301
full text by request

Evaluation Study of the Oxidation-Corrosion Characteristics of Aircraft Turbine Engine Lubricants. Volume I

Author(s): Cuellar, J. P.; Baber, B. B.
Corporate Author: Southwest Research Inst San Antonio TX
Date of Publication: 1970-05
Report Number: AFAPL TR 70-10 Volume 1
full text by request

Viet Cong Repression and its Implication for the Future

Author(s): Hosmer, Stephen T.
Corporate Author: RAND Corporation
Date of Publication: 1970-05
full text by request

Cracks, A Fortran IV Digital Computer Program for Crack Propagation Analysis

Author(s): Robert M. Engle
Corporate Author: Air Force Flight Dynamics Laboratory, Structures Division
Laboratory: Air Force Flight Dynamics Laboratory
Date of Publication: 1970-10
Report Number: AFFDL TR 70-107
full text by request

A New Approach to the Specification and Evaluation of Flying Qualities

Author(s): Ronald O. Anderson
Laboratory: Air Force Flight Dynamics Laboratory
Date of Publication: 1970-06
Report Number: AFFDL TR 69-120
full text by request

Fracture Mechanics Guidelines for Aircraft Structural Applications

Author(s): D. P. Wilhelm
Corporate Author: Northrup Corporation
Laboratory: Air Force Flight Dynamics Lboratory
Date of Publication: 1970-02
Report Number: AFFDL TR 69-111
full text by request

A Management Technique for In-House Research Programs

Author(s): T. J. Baker
Laboratory: Air Force Flight Dynamics Laboratory
Date of Publication: 1970-01
Report Number: AFFDL MR 70-1
full text by request

Interrogating a Relational Data File: Remarks on the Admissibility of Input Queries

Author(s): Kuhns, J. L.
Corporate Author: RAND Corporation
Date of Publication: 1970-11
full text by request

Fuel-Optimal Retrothrusted Soft Landing Through an Atmosphere

Author(s): Juncosa, M. L.
Corporate Author: RAND Corporation
Date of Publication: 1970-12
full text by request

A Computer Program for Quadratic Mathematical Models to be Used for Aircraft Design and Other Applications Involving Linear Constraints

Author(s): Cutler, L. & D. S. Pass
Corporate Author: RAND Corporation
Date of Publication: 1971-06
full text by request

Modeling the Video Graphics System: Procedure and Model Description

Author(s): Bell, T. E.
Corporate Author: RAND Corporation
Date of Publication: 1970-12
full text by request

Soviet Interdiction Operations, 1941-1945

Author(s): Hoeffding, Oleg
Corporate Author: RAND Corporation
Date of Publication: 1970-11
full text by request

Transmission of Electromagnetic Waves Through Normal and Disturbed Ionospheres

Author(s): Booker, H. G., C. M. Crain and E. C. Field
Corporate Author: RAND Corporation
Date of Publication: 1970-11
full text by request

A Panoramic View of Ionospheric Reflection and Transmission Under Ambient and Disturbed Conditions

Author(s): Booker, H. G., C. M. Crain and E. C. Field
Corporate Author: RAND Corporation
Date of Publication: 1970-11
full text by request

What if Utility Functions do not Exist?

Author(s): Roberts, Fred S.
Corporate Author: RAND Corporation
Date of Publication: 1970-09
full text by request

Notes on Combinatorial Mathematics: An Estimate of Expected Critical Path Length in PERT Networks

Author(s): Lindsey, John H.
Corporate Author: RAND Corporation
Date of Publication: 1970-10
full text by request

The Warsaw Pact's Campaign for 'European Security'

Author(s): Johnson, A. Ross
Corporate Author: Rand Corporation
full text by request

Tidal Oscillation in the Thermosphere and Their Implications for Upper Atmosphere Density Models

Author(s): Batten, E. S.
Corporate Author: Rand Corporation
Date of Publication: 1970-10
full text by request

R&D in Soviet Aviation

Author(s): Alexander, Arthur J.
Corporate Author: Rand Corporation
Date of Publication: 1970-11
full text by request

The Application of Invariance to Unbiased Estimation

Author(s): Eaton, Morris L. and Carl N. Morris
Corporate Author: Rand Coporation
Date of Publication: 1970-10
full text by request

A Photographic Technique for Image Enhancement: Pseudocolor Three-Separation Process

Author(s): Stratton, R. H. and J. J. Sheppard, Jr.
Corporate Author: Rand Corporation
Date of Publication: 1970-10
full text by request

Tables of Radial Spheroidal Wave Functions: Volume 6 Oblate, M = 2


Laboratory: Naval Research Laboratory
Date of Publication: 1970-06-30
Report Number: NRL Report 7093 Volume 6
full text by request

Automatic Fare Collection

Author(s): Parsons Brinckerhoff-Tudor-Bechtel
Corporate Author: Parsons Brinckerhoff-Tudor-Bechtel
Date of Publication: 1970-01
full text by request

Investigations of Boxcar Vibrations

Author(s): Luebke, Robert W.
Corporate Author: Chesapeake and Ohio Railway/Baltimore and Ohio Railroad
Laboratory: Office of High Speed Ground Transportation
Date of Publication: 1970-08
Report Number: FRA-RT-70-26
full text by request

Maintaining Efficient Training Programs for Air Force Technical Specialties

Author(s): Carpenter, M. B.
Corporate Author: RAND Corporation
Date of Publication: 1970-09
full text by request

Use of Scattering Techniques in Cloud Microphysics Research I. The Aureole Method

Author(s): Deirmendjian, D.
Corporate Author: Rand Corporation
Date of Publication: 1970-10
full text by request

Velocity Requirements for Rapid Intercept with Midcourse Corrections

Author(s): M. E. Ash
Corporate Author: Massachusetts Institute of Technology, Lincoln Laboratory
Date of Publication: 1970-10-23
AD Number: AD0718421
full text by request

Resolution Limits of Fraunhofer Holography

Author(s): Belz, Ronald A.
Corporate Author: ARO, Inc.
Date of Publication: 1970-05
Report Number: AEDC-TR-70-23
AD Number: AD0706403
full text by request