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  Partner: UNT Libraries Government Documents Department
 Decade: 1920-1929
 Collection: Technical Report Archive and Image Library
Stieber dynamometer hub for aircraft propellers

Stieber dynamometer hub for aircraft propellers

Date: November 1, 1924
Creator: Stieber, W
Description: The knowledge gained from previous experiments and reports was utilized for the construction of a dynamometer hub for 200 mkg (134.4 ft.-lb.) and 1200 kg (2646 lb.) thrust suited for a Liberty "12" engine. A reversing device is also described.
Contributing Partner: UNT Libraries Government Documents Department
Stinson commercial airplane, type S M-1

Stinson commercial airplane, type S M-1

Date: October 1, 1927
Creator: unknown
Description: The Stinson S M-1 seats 5 passengers and a pilot. It is equipped with a Wright Whirlwind Engine.
Contributing Partner: UNT Libraries Government Documents Department
Stone Dusting or Rock Dusting to Prevent Coal-Dust Explosions, as Practiced in Great Britain and France

Stone Dusting or Rock Dusting to Prevent Coal-Dust Explosions, as Practiced in Great Britain and France

Date: 1924
Creator: Rice, George S.
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Strength calculations on airplanes

Strength calculations on airplanes

Date: December 1, 1925
Creator: Baumann, A
Description: Every strength calculation, including those on airplanes, must be preceded by a determination of the forces to be taken into account. In the following discussion, it will be assumed that the magnitudes of these forces are known and that it is only a question of how, on the basis of these known forces, to meet the prescribed conditions on the one hand and the practical requirements on the other.
Contributing Partner: UNT Libraries Government Documents Department
The strength of one-piece solid, build-up and laminated wood airplane wing beams

The strength of one-piece solid, build-up and laminated wood airplane wing beams

Date: January 1, 1920
Creator: Nelson, John H
Description: The purpose of this report is to summarize the results of all wood airplane wing beams tested to date in the Bureau of Standards Laboratory in order that the various kinds of wood and methods of construction may be compared. All beams tested were of an I section and the majority were somewhat similar in size and cross section to the front wing beam of the Curtiss JN-4 machine. Construction methods may be classed as (1) solid beams cut from solid stock; (2) three-piece beams, built up of three pieces, web and flanges glued together by a tongue-and-groove joint and (3) laminated beams built up of thin laminations of wood glued together.
Contributing Partner: UNT Libraries Government Documents Department
Strength of tubing under combined axial and transverse loading

Strength of tubing under combined axial and transverse loading

Date: June 1, 1929
Creator: Tuckerman, L B
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Stressed coverings in naval and aeronautic construction

Stressed coverings in naval and aeronautic construction

Date: January 1, 1928
Creator: Kahn, L L
Description: We propose to make a study of the difficulties in using stressed coverings and their appropriate solutions. Fatigue and buckling are also discussed.
Contributing Partner: UNT Libraries Government Documents Department
The stresses in columns under combined axial and side loads

The stresses in columns under combined axial and side loads

Date: July 1, 1922
Creator: Arnstein, Karl
Description: The problem before us is to determine the total stresses in an axially loaded column of any degree of restraint which is also subject to transverse bending both from a uniformly distributed load and from concentrated loads.
Contributing Partner: UNT Libraries Government Documents Department
Stresses produced on an airship flying through gusty air

Stresses produced on an airship flying through gusty air

Date: September 1, 1922
Creator: Munk, Max M
Description: The stresses produced by gusts are proportional to the speed of the airship. At highest speed they are of the same range of magnitude as the stresses during the creation of a large dynamic lift.
Contributing Partner: UNT Libraries Government Documents Department
Structural and economic limits to the dimensions of airships

Structural and economic limits to the dimensions of airships

Date: August 1, 1924
Creator: Crocco, G A
Description: In opposition to the advantage of larger dimensions, there is one disadvantage, namely, the weight of the structure increases more rapidly than the buoyancy. It is not possible, however, to determine a general law. In order to formulate one having the merit of simplicity, we will divide the structure into two parts: one subject to tensile and compressive stresses, varying directly as the ascensional or lifting forces; the other subject to varying stresses of the surface areas.
Contributing Partner: UNT Libraries Government Documents Department