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  Partner: UNT Libraries Government Documents Department
 Serial/Series Title: NACA Restricted Bulletin
 Collection: Technical Report Archive and Image Library
Spinning of large airplanes

Spinning of large airplanes

Date: October 1, 1944
Creator: Seidman, Oscar
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Tests of 10-inch 24S-T aluminum-alloy shear panels with 1-1/2-inch holes I

Tests of 10-inch 24S-T aluminum-alloy shear panels with 1-1/2-inch holes I

Date: June 1, 1943
Creator: Levin, L Ross
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Tests of 10 inch 24S-T aluminum-alloy shear panels with 1-1/2 inch holes II : panels having holes with notched edges

Tests of 10 inch 24S-T aluminum-alloy shear panels with 1-1/2 inch holes II : panels having holes with notched edges

Date: April 1, 1944
Creator: Levin, L Ross
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Flight tests of a glider model towed by twin parallel towlines

Flight tests of a glider model towed by twin parallel towlines

Date: April 1, 1943
Creator: Mckinney, Marion O , Jr
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Material properties of two types of plastic-bonded glass cloth

Material properties of two types of plastic-bonded glass cloth

Date: December 1, 1944
Creator: Schuette, Evan H
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Test data on the shear strength of joints assembled with round-head and brazier-head rivets

Test data on the shear strength of joints assembled with round-head and brazier-head rivets

Date: June 1, 1943
Creator: Schuette, Evan H
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Wind-tunnel tests of a piston-type control booster on an airfoil and aileron model

Wind-tunnel tests of a piston-type control booster on an airfoil and aileron model

Date: November 1, 1943
Creator: Mendelsohn, Robert A
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Critical compressive stress for curved sheet supported along all edges and elastically restrained against rotation along the unloaded edges

Critical compressive stress for curved sheet supported along all edges and elastically restrained against rotation along the unloaded edges

Date: September 1, 1943
Creator: Stowell, Elbridge Z
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Theoretical and experimental dynamic loads for a prismatic float having an angle of dead rise of 22-1/2 degrees

Theoretical and experimental dynamic loads for a prismatic float having an angle of dead rise of 22-1/2 degrees

Date: July 1, 1945
Creator: Mayo, Wilbur L
Description: None
Contributing Partner: UNT Libraries Government Documents Department
The Effect of Artificial Aging on the Tensile Properties of Alclad 24S-T and 24S-T Aluminum Alloy

The Effect of Artificial Aging on the Tensile Properties of Alclad 24S-T and 24S-T Aluminum Alloy

Date: August 1, 1943
Creator: Kotanchik, Joseph N.; Woods, Walter & Zender, George W.
Description: An experimental study was made to determine the effect of artificial aging on the tensile properties of alclad 24S-T and 24S-T aluminum-alloy sheet material. The results of the tests show that certain combinations of aging time and temperature cause a marked increase in the yield strength and a small increase in the ultimate strength; these increases are accompanied by a very large decrease in elongation. A curve is presented that shows the maximum yield strengths that can be obtained by aging this material at various combinations of time and temperature. The higher values of yield stress are obtained in material aged at relatively longer times and lower temperatures.
Contributing Partner: UNT Libraries Government Documents Department
The effect of angle of bend between plate elements on the local instability of formed Z-sections

The effect of angle of bend between plate elements on the local instability of formed Z-sections

Date: September 1, 1944
Creator: Schuette, Evan H
Description: None
Contributing Partner: UNT Libraries Government Documents Department
An approximate determination of the power required to move control surfaces as related to control-booster design

An approximate determination of the power required to move control surfaces as related to control-booster design

Date: September 1, 1945
Creator: Johnson, Harold I
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Effect of lateral shift of center of gravity on rudder deflection required for trim

Effect of lateral shift of center of gravity on rudder deflection required for trim

Date: November 1, 1944
Creator: Hunter, P A
Description: None
Contributing Partner: UNT Libraries Government Documents Department
NACA procedure for flight tests of aileron characteristics of airplanes

NACA procedure for flight tests of aileron characteristics of airplanes

Date: July 1, 1943
Creator: Johnson, Harold I
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Investigation of methods of supporting single-thickness specimens in a fixture for determination of compressive stress-strain curves

Investigation of methods of supporting single-thickness specimens in a fixture for determination of compressive stress-strain curves

Date: May 1, 1945
Creator: Weinberger, Robert A
Description: None
Contributing Partner: UNT Libraries Government Documents Department
The longitudinal shear strength required in double-angle columns of 24S-T aluminum alloy

The longitudinal shear strength required in double-angle columns of 24S-T aluminum alloy

Date: May 1, 1943
Creator: Moggio, Edwin M
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Proposal for a propeller side-force factor

Proposal for a propeller side-force factor

Date: December 1, 1943
Creator: Ribner, Herbert S
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Resume of hinge-moment data for unshielded horn- balanced control surfaces

Resume of hinge-moment data for unshielded horn- balanced control surfaces

Date: June 1, 1943
Creator: Lowry, John G
Description: None
Contributing Partner: UNT Libraries Government Documents Department
A preliminary study of machine-countersunk flush rivets subjected to a combined static and alternating shear load

A preliminary study of machine-countersunk flush rivets subjected to a combined static and alternating shear load

Date: December 1, 1943
Creator: Crate, Harold
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Preliminary tank experiments with a hydrofoil on a planing-tail seaplane hull

Preliminary tank experiments with a hydrofoil on a planing-tail seaplane hull

Date: March 1, 1944
Creator: Wadlin, Kenneth L
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Preliminary tests to determine the dynamic stability characteristics of various hydrofoil systems for seaplanes and surface boats

Preliminary tests to determine the dynamic stability characteristics of various hydrofoil systems for seaplanes and surface boats

Date: November 1, 1943
Creator: King, Douglas A
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Some notes on the determination of the stick-fixed neutral point from wind-tunnel data

Some notes on the determination of the stick-fixed neutral point from wind-tunnel data

Date: September 1, 1943
Creator: Schuldenfrei, Marvin
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Some Notes on the Determination of the Stick-Free Neutral Point from Wind-Tunnel Data

Some Notes on the Determination of the Stick-Free Neutral Point from Wind-Tunnel Data

Date: February 1, 1944
Creator: Schuldenfrei, Marvin
Description: Two graphical methods are presented for determining the stick-free neutral point, and they are extensions of the methods commonly used to determine the stick-free neutral point. A mathematical formula for computing the stick-free neutral point is also given. These methods may be applied to determine approximately the increase in tail size necessary to shift the neutral point (stick fixed or free) to any desired location on an airplane having inadequate longitudinal stability.
Contributing Partner: UNT Libraries Government Documents Department
Some strength tests of stiffened curved sheets loaded in shear

Some strength tests of stiffened curved sheets loaded in shear

Date: April 1, 1944
Creator: Chiarito, Patrick T
Description: None
Contributing Partner: UNT Libraries Government Documents Department