The application of basic data on planing surfaces to the design of flying-boat hulls (open access)

The application of basic data on planing surfaces to the design of flying-boat hulls

From Introduction: "This report is concerned with the presentation of planning data in a form that facilities direct application to the initial stage of design."
Date: December 16, 1939
Creator: Diehl, Walter S.
Object Type: Report
System: The UNT Digital Library
The effect of area aspect ratio on the yawing moments of rudders at large angles of pitch on three fuselages (open access)

The effect of area aspect ratio on the yawing moments of rudders at large angles of pitch on three fuselages

This reports presents the results of measurements made of yawing moments produced by rudder displacement for seven rudders mounted on each of three fuselages at angles of pitch of 0 degree, 8 degrees, 12 degrees, 20 degrees, 30 degrees and 40 degrees. The dimensions of the rudders were selected to cover the range of areas and aspect ratios commonly used, while the ratios of rudder area to fin area and of rudder chord to fin chord were kept approximately constant. An important result of the measurements is to show that increased aspect ratio gives increased yawing moments for a given area, provided the maximum rudder displacement does not exceed 25 degrees. If large rudder displacements are used, the effect of aspect ratio is not so great.
Date: May 16, 1932
Creator: Dryden, Hugh L. & Monish, B. H.
Object Type: Report
System: The UNT Digital Library
Experimental determination of jet boundary corrections for airfoil tests in four open wind tunnel jets of different shapes (open access)

Experimental determination of jet boundary corrections for airfoil tests in four open wind tunnel jets of different shapes

"This experimental investigation was conducted primarily for the purpose of obtaining a method of correcting to free air conditions the results of airfoil force tests in four open wind tunnel jets of different shapes. Tests were also made to determine whether the jet boundaries had any appreciable effect on the pitching moments of a complete airplane model. Satisfactory corrections for the effect of the boundaries of the various jets were obtained for all the airfoils tested, the span of the largest being 0.75 of the jet width" (p. 609).
Date: April 16, 1930
Creator: Knight, Montgomery & Harris, Thomas A.
Object Type: Report
System: The UNT Digital Library
A method for computing leading-edge loads (open access)

A method for computing leading-edge loads

From Summary: "In this report a formula is developed that enables the determination of the proper design load for the portion of the wing forward of the front spar. The formula is inherently rational in concept, as it takes into account the most important variables that affect the leading-edge load, although theoretical rigor has been sacrificed for simplicity and ease of application. Some empirical corrections, based on pressure distribution measurements on the PW-9 and M-3 airplanes have been introduced to provide properly for biplanes. Results from the formula check experimental values in a variety of cases with good accuracy in the critical loading conditions. The use of the method for design purposes is therefore felt to be justified and is recommended."
Date: January 16, 1931
Creator: Rhode, Richard V. & Pearson, Henry A.
Object Type: Report
System: The UNT Digital Library
Spinning characteristics of the XN2Y-1 airplane obtained from the spinning balance and compared with results from the spinning tunnel and from flight tests (open access)

Spinning characteristics of the XN2Y-1 airplane obtained from the spinning balance and compared with results from the spinning tunnel and from flight tests

Report presents the results of tests of a 1/10-scale model of the XN2Y-1 airplane tested in the NACA 5-foot vertical wind tunnel in which the six components of forces and moments were measured. The model was tested in 17 attitudes in which the full-scale airplane had been observed to spin, in order to determine the effects of scale, tunnel, and interference. In addition, a series of tests was made to cover the range of angles of attack, angles of sideslip, rates of rotation, and control setting likely to be encountered by a spinning airplane. The data were used to estimate the probable attitudes in steady spins of an airplane in flight and of a model in the free-spinning tunnel. The estimated attitudes of steady spin were compared with attitudes measured in flight and in the spinning tunnel. The results indicate that corrections for certain scale and tunnel effects are necessary to estimate full-scale spinning attitudes from model results.
Date: April 16, 1937
Creator: Bamber, M. J. & House, R. O.
Object Type: Report
System: The UNT Digital Library
Texas Attorney General Opinion: O-4 (open access)

Texas Attorney General Opinion: O-4

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Gerald Mann, regarding a legal question submitted for clarification: Time for making teachers' contract by trustees of common school district.
Date: March 16, 1939
Creator: Texas. Attorney-General's Office.
Object Type: Text
System: The Portal to Texas History
Texas Attorney General Opinion: O-68 (open access)

Texas Attorney General Opinion: O-68

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Gerald Mann, regarding a legal question submitted for clarification;Suit by State to set aside tax sale.
Date: January 16, 1939
Creator: Texas. Attorney-General's Office.
Object Type: Text
System: The Portal to Texas History
Texas Attorney General Opinion: O-91 (open access)

Texas Attorney General Opinion: O-91

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Gerald Mann, regarding a legal question submitted for clarification;Chief deputies for sheriffs and Assessors and Collectors.
Date: January 16, 1939
Creator: Texas. Attorney-General's Office.
Object Type: Text
System: The Portal to Texas History
Texas Attorney General Opinion: O-107 (open access)

Texas Attorney General Opinion: O-107

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Gerald Mann, regarding a legal question submitted for clarification;Constable fees in connection with highway patrol arrests.
Date: January 16, 1939
Creator: Texas. Attorney-General's Office.
Object Type: Text
System: The Portal to Texas History
Texas Attorney General Opinion: O-115 (open access)

Texas Attorney General Opinion: O-115

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Gerald Mann, regarding a legal question submitted for clarification: Nepotism Law.
Date: January 16, 1939
Creator: Texas. Attorney-General's Office.
Object Type: Text
System: The Portal to Texas History
Texas Attorney General Opinion: O-118 (open access)

Texas Attorney General Opinion: O-118

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Gerald Mann, regarding a legal question submitted for clarification; Construction of Article 2896a, as the same applies to blind persons.
Date: January 16, 1939
Creator: Texas. Attorney-General's Office.
Object Type: Text
System: The Portal to Texas History
Texas Attorney General Opinion: O-119 (open access)

Texas Attorney General Opinion: O-119

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Gerald Mann, regarding a legal question submitted for clarification; Nepotism Law
Date: January 16, 1939
Creator: Texas. Attorney-General's Office.
Object Type: Text
System: The Portal to Texas History
Texas Attorney General Opinion: O-123 (open access)

Texas Attorney General Opinion: O-123

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Gerald Mann, regarding a legal question submitted for clarification: Article 1055, C. C. P.
Date: January 16, 1939
Creator: Texas. Attorney-General's Office.
Object Type: Text
System: The Portal to Texas History
Texas Attorney General Opinion: O-145 (open access)

Texas Attorney General Opinion: O-145

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Gerald Mann, regarding a legal question submitted for clarification: Article 1055, C. C. P.
Date: January 16, 1939
Creator: Texas. Attorney-General's Office.
Object Type: Text
System: The Portal to Texas History
Texas Attorney General Opinion: O-149 (open access)

Texas Attorney General Opinion: O-149

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Gerald Mann, regarding a legal question submitted for clarification: Article 1055 C. C. P.
Date: January 16, 1939
Creator: Texas. Attorney-General's Office.
Object Type: Text
System: The Portal to Texas History
Texas Attorney General Opinion: O-159 (open access)

Texas Attorney General Opinion: O-159

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Gerald Mann, regarding a legal question submitted for clarification; (1) Ex officio compensation for County Judge and ex officio School Superintendent.
Date: February 16, 1939
Creator: Texas. Attorney-General's Office.
Object Type: Text
System: The Portal to Texas History
Texas Attorney General Opinion: O-276 (open access)

Texas Attorney General Opinion: O-276

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Gerald Mann, regarding a legal question submitted for clarification;Opinion as to constitutionality of Amendment 1 to House Bill no:23.
Date: February 16, 1939
Creator: Texas. Attorney-General's Office.
Object Type: Text
System: The Portal to Texas History
Texas Attorney General Opinion: O-292 (open access)

Texas Attorney General Opinion: O-292

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Gerald Mann, regarding a legal question submitted for clarification; Is the Assessor Collector of taxes for Lae County entitled to retain a maximum of $4,000.00 as his fees of office, out of taxes collected by him during the year 1938, if the office earns sufficient fees out of that amount?
Date: February 16, 1939
Creator: Texas. Attorney-General's Office.
Object Type: Text
System: The Portal to Texas History
Texas Attorney General Opinion: O-348 (open access)

Texas Attorney General Opinion: O-348

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Gerald Mann, regarding a legal question submitted for clarification: Authority of Commissioners' Court to construct building for U. S. Weather Bureau and lease land, payment from county funds.
Date: February 16, 1939
Creator: Texas. Attorney-General's Office.
Object Type: Text
System: The Portal to Texas History
Texas Attorney General Opinion: O-355 (open access)

Texas Attorney General Opinion: O-355

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Gerald Mann, regarding a legal question submitted for clarification: Article 1639, requiring competitive bids in the purchase of road machinery.
Date: February 16, 1939
Creator: Texas. Attorney-General's Office.
Object Type: Text
System: The Portal to Texas History
Texas Attorney General Opinion: O-378 (open access)

Texas Attorney General Opinion: O-378

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Gerald Mann, regarding a legal question submitted for clarification: What is the meaning of the word "charge" as used in Article 7047f, R. C. S.?
Date: March 16, 1939
Creator: Texas. Attorney-General's Office.
Object Type: Text
System: The Portal to Texas History
Texas Attorney General Opinion: O-385 (open access)

Texas Attorney General Opinion: O-385

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Gerald Mann, regarding a legal question submitted for clarification: Is the State Comptroller authorized to issue duplicates of forged unemployment compensation warrants?
Date: March 16, 1939
Creator: Texas. Attorney-General's Office.
Object Type: Text
System: The Portal to Texas History
Texas Attorney General Opinion: O-401 (open access)

Texas Attorney General Opinion: O-401

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Gerald Mann, regarding a legal question submitted for clarification: Contract for the binding or rebinding of textbooks -- Authority of the State Board of Control and the State Board of Education, respectively.
Date: January 16, 1939
Creator: Texas. Attorney-General's Office.
Object Type: Text
System: The Portal to Texas History
Texas Attorney General Opinion: O-432 (open access)

Texas Attorney General Opinion: O-432

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Gerald Mann, regarding a legal question submitted for clarification; Directors of El Campo Partners Cooperative Society have full management of net proceeds of Society
Date: March 16, 1939
Creator: Texas. Attorney-General's Office.
Object Type: Text
System: The Portal to Texas History