Resource Type
Partner
Collection
Technical Report Archive and Image Library
416
National Advisory Committee for Aeronautics Collection
334
TRAIL Microcard Collection
45
Office of Scientific & Technical Information Technical Reports
39
Abilene Library Consortium
9
National WASP WWII Museum
9
Harris and Eliza Kempner
6
World War Two Collection
4
Texas State Publications
3
Dr. Chauncey Depew Leake
2
6 More
Serial/Series Title
NACA Wartime Reports
243
NACA Advanced Restricted Reports
119
NACA Memorandum Reports
48
NACA Technical Notes
44
Atomic Energy Commission Reports
37
NACA Advanced Confidential Reports
33
NACA Restricted Bulletins
27
NACA Technical Reports
24
United States Bureau of Mines Reports
23
NACA Technical Memorandums
17
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States
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482
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Adaptor for Measuring Principal Strains With Tuckerman Strain Gage
Report discussing an adapter which uses three Tuckerman optical strain gages to measure the displacement of the three vortices of an equilateral triangle along lines 120 degrees apart. These displacements are substituted in well-known equations in order to compute the magnitude and direction of the principal strains. Tests of the adaptor indicate that principal strains over a gage length of 1.42 inch may be measured with a systematic error not exceeding 4 percent and a mean observational error of the order of + or minus 0.000006. The maximum observed error in strain was of the order of 0.00006. The directions of principal strains for unidirectional stress were measured with the adaptor with an average error of the order of 1 degree.
Date:
June 1943
Creator:
McPherson, A. E.
System:
The UNT Digital Library
Additional design charts relating to the stalling of tapered wings
From Introduction: "The present report, therefore, may be considered a supplement to reference 1. The combined scope of the stall charts of reference 1, designated A, and of the present work, designated B, is summarized in the following table: For the wing with root thickness ratio to 18 was also investigated.
Date:
January 1943
Creator:
Harmon, Sidney M.
System:
The UNT Digital Library
Adsorbent Clays: Their Distribution, Properties, Production, and Uses
From Abstract: "This bulletin is a summary of present knowledge of the adsorbent or bleaching clays-their distribution, field and laboratory identification, physical and chemical properties, uses, quality, and value. Problems in the drying, treating with acids, and washing are discussed, and methods of testing and rating decolorizing efficiency are described."
Date:
1943
Creator:
Nutting, P. G.
System:
The UNT Digital Library
The Advantages of Uniform Fuel Distribution for Air-Cooled Engines From Considerations of Cooling Requirements and Fuel Economy
"The purpose of this report is to show by analysis of existing data, pending direct experimental determination, the extent to which nonuniform distribution of fuel to cylinders of a multicylinder engine can produce temperature deviation and the benefits to be anticipated from attainment of uniform fuel distribution" (p. 1).
Date:
December 1943
Creator:
Rubert, K. F.; Corson, Blake W., Jr. & Nielsen, Jack
System:
The UNT Digital Library
Aerodynamic and Hydrodynamic Tests of a Family of Models of Flying-Boat Hulls Derived From a Streamline Body: NACA Model 84 Series
Report presenting a series of related flying-boat hull forms with various combinations of aerodynamic and hydrodynamic requirements that were tested in an NACA tank and high-speed tunnel. Effects explored included varying the height of the bow, varying the height of the stern, increasing the angle of dead rise at the bow, decreasing the angle of dead rise on the afterbody, increasing the depth of step, increasing the angle of afterbody keel, adding chine flare, adding a third planing surface, and rounded chines at the bow.
Date:
September 1943
Creator:
Parkinson, John B.; Olson, Roland E.; Draley, Eugene C. & Luoma, Arvo A.
System:
The UNT Digital Library
Aerodynamic and hydrodynamic tests of a family of models of flying hulls derived from a streamline body -- NACA model 84 series
Report discussing a series of related forms of flying-boat hulls representing various degrees of compromise between aerodynamic and hydrodynamic requirements was tested in Langley Tank No. 1 and in the Langley 8-foot high-speed tunnel. The purpose of the investigation was to provide information regarding the penalties in water performance resulting from further aerodynamic refinement and, as a corollary, to provide information regarding the penalties in range or payload resulting from the retention of certain desirable hydrodynamic characteristics. The information should form a basis for over-all improvements in hull form.
Date:
1943
Creator:
Parkinson, John B.; Olson, Roland E.; Draley, Eugene C. & Luoma, Arvo A.
System:
The UNT Digital Library
Aerodynamic characteristics and flap loads of perforated double split flaps on a rectangular NACA 23012 airfoil
From Introduction: "The results of the load tests and some additional aerodynamic characteristics of perforated double split flaps on a rectangular NACA 23012 airfoil are given in the present report."
Date:
January 1943
Creator:
Turner, Thomas R.
System:
The UNT Digital Library
Air-flow surveys in the region of the tail surfaces of a single-engine airplane equipped with dual-rotating propellers
From Summary: "Surveys of the air flow in the region of the tail surfaces of a single-engine pursuit-type airplane equipped with dual-rotating propellers are presented."
Date:
March 1943
Creator:
Sweberg, Harold H.
System:
The UNT Digital Library
Altitude Rating of Electrical Apparatus
"This paper studies the effect of altitude on the ratings of rotating electric machines and after determining the fundamental principles involved, discusses these in relation to the application of such machines in modern aircraft" (p. 1).
Date:
January 1943
Creator:
Lebenbaum, Paul, Jr.
System:
The UNT Digital Library
Analysis of Oil Production in the Near-Depleted Mexia-Powell Fault-Line Fields of Texas
Report issued by the U.S. Bureau of Mines on the oil fields located near the Mexia-Powell fault line in Texas. Properties of the oil fields, including geology and oil production, are presented. This report includes tables, graphs, maps, and illustrations.
Date:
August 1943
Creator:
Hill, Harry Blackburn & Guthrie, R. K.
System:
The UNT Digital Library
The Analysis of Strains Indicated by Multiple-Strand Resistance-Type Wire Strain Gages Used as Rosettes
"Methods are given for making the necessary corrections to the strains indicated by multiple-strand resistance-type wire strain gages used singly or as rosettes to measure strains at an angle to the principal strain. The results of tests to determine the validity of the methods of correction are reported" (p. 1).
Date:
January 1943
Creator:
Dow, Norris F.
System:
The UNT Digital Library
Analysis of the High-Altitude Cooling of the Ranger SGV-770 D-4 Engine in the Bell XP-77 Airplane
Report presenting an analysis of the cooling installation in the high-altitude XP-77 airplane for the entire altitude range. The engine was tested with the same cylinders, aluminum fins, and turbulent-flow baffles proposed for the high-altitude SCV-770 engine. The report is incomplete.
Date:
October 1943
Creator:
Nielsen, Jack N. & Schumacher, Lloyd E.
System:
The UNT Digital Library
Analysis of Wind-Tunnel Stability and Control Tests in Terms of Flying Qualities in Full-Scale Airplanes
From Summary: "The analysis of results of wind-tunnel stability and control tests of powered airplane models in terms of the flying qualities of full-scale airplanes is advocated. In order to indicate the topics upon which comments are considered desirable in the report of a wind-tunnel stability and control investigation and to demonstrate the nature of the suggested analysis, the present NACA flying-qualities requirements are discussed in relation to wind-tunnel tests. General procedures for the estimation of flying qualities from wind-tunnel tests are outlined."
Date:
October 1943
Creator:
Kayten, Gerald G.
System:
The UNT Digital Library
Analysis of wind-tunnel stability and control tests in terms of flying qualities of full-scale airplanes
From Introduction: "The purpose of this paper is to outline a suggested form of presentation of the results of a stability and control investigation in terms of flying qualities as defined in reference 1 and to systematize and review briefly the analytical work required for this type of presentation. No effort is made to specify definite test procedures."
Date:
April 1, 1943
Creator:
Kayten, Gerald G.
System:
The UNT Digital Library
Annual Report of Research and Technologic Work on Coal: Fiscal Year 1942
Report issued by the U.S. Bureau of Mines discussing studies over the research and technology of coal during 1942. As stated in the introduction, "the annual reports of the research and technologic investigations conducted by the Bureau of Mines on the occurrence, properties, mining, preparation, and uses of coal, of which the present report is the seventh, are intended to be brief summaries of progress" (p. 4). This report includes tables, illustrations, and photographs.
Date:
May 1943
Creator:
Fieldner, Arno Carl & Rice, W. E.
System:
The UNT Digital Library
Annual Report of the Boy Scouts of America: 1942
Annual report submitted by the Boy Scouts of America to Congress describing highlights from 1942, activities, service reports, honors, finance, organizational leadership, and other information about scouting programs.
Date:
March 25, 1943
Creator:
Boy Scouts of America
System:
The Portal to Texas History
Antiknock Effectiveness of Xylidines in Small-Scale Engines
"The data presented in this report are part of a general program to determine the effects of xylidines on the knock-limited performance of currently used aviation fuels" (p. 2).
Date:
August 1943
Creator:
Branstetter, J. Robert & Meyer, Carl L.
System:
The UNT Digital Library
An Approximate Method of Shear-Lag Analysis for Beams Loaded at Right Angles to the Plane of Symmetry of the Cross Section
Report discussing strain measurements made on a box beam of triangular cross section and on two beams of D-section under transverse bending. Information about the arrangement of the beams and experimental and calculated stresses for different boxes.
Date:
September 1943
Creator:
Kuhn, Paul & Brilmyer, Harold G.
System:
The UNT Digital Library
AWVS Greater New York Region Monthly Report: November 1943
Monthly report from the Greater New York Region to the National Board of Directors for the American Women's Voluntary Services discussing their news and activities including their workshop for the women's exposition at Madison Square Garden.
Date:
November 1943
Creator:
American Women's Voluntary Services. Greater New York Region.
System:
The Portal to Texas History
AWVS Public Relations Department Monthly Report: December 1943
Monthly report from the Public Relations Department to the National Board of Directors for the American Women's Voluntary Services discussing their news and activities including updates on their publicity campaigns.
Date:
December 1943
Creator:
American Women's Voluntary Services. Public Relations Department.
System:
The Portal to Texas History
AWVS Public Relations Department Monthly Report: January 1943
Monthly report from the Public Relations Department to the National Board of Directors for the American Women's Voluntary Services discussing their news and activities including being recognized as the top war-time volunteer organization. The report provides updates on public campaigns and program releases.
Date:
January 1943
Creator:
American Women's Voluntary Services. Public Relations Department.
System:
The Portal to Texas History
AWVS Secretary's Office Monthly Report: September 1943
Monthly report from the Public Relations Department to the National Board of Directors for the American Women's Voluntary Services discussing their news and activities including resolutions of previous issues and reports of resignations.
Date:
September 1943
Creator:
American Women's Voluntary Services. Public Relations Department.
System:
The Portal to Texas History
Bearing strengths of bare and alclad XA75S-T and 24S-T81 aluminum alloy sheet
From Introduction: "A report was recently issued covering an investigation of the bearing properties of the wrought aluminum alloys commonly used in aircraft construction (reference 1). Since this work was undertaken, two new materials, XA75S-T and 24S-T81, have been developed to the commercial stage for aircraft use. The objection of this investigation was to determine the bearing yield and ultimate strengths of these new materials in the form of bare and alclad sheet."
Date:
December 1943
Creator:
Moore, R. L. & Wescoat, C.
System:
The UNT Digital Library
Bearing strengths of some wrought-aluminum alloys
From Introduction: "Although a number of investigations of the bearing strength of aluminum alloys have been made, the problem remains one of considerable interest to the aircraft industry. For this reason it has seemed advisable to make additional tests of the commonly used aircraft alloys in an effort to establish a better basis for the selection of allowable bearing values. Current design practice does not recognize the effect of edge distance upon bearing strengths, and for this reason edge distance was one of the principal variables considered in this investigation. The increasing emphasis being placed upon permanent set limitations makes it essential that more information on bearing yield phenomena be obtained."
Date:
August 1943
Creator:
Moore, R. L. & Wescoat, C.
System:
The UNT Digital Library