Propeller Design - A Simple Method for Determining the Strength of Propellers - IV (open access)

Propeller Design - A Simple Method for Determining the Strength of Propellers - IV

"The object of this report, the last of a series of four on propeller design, is to describe a simple method for determining whether the strength of a propeller of a standard form is sufficient for safe operation. An approximate method of stress analysis is also given" (p. 1).
Date: June 1926
Creator: Weick, Fred E.
System: The UNT Digital Library
Steam Power Plants in Aircraft (open access)

Steam Power Plants in Aircraft

"The employment of steam power plants in aircraft has been frequently proposed. Arguments pro and con have appeared in many journals. It is the purpose of this paper to make a brief analysis of the proposal from the broad general viewpoint of aircraft power plants. Any such analysis may be general or detailed" (p. 1).
Date: June 1926
Creator: Wilson, E. E.
System: The UNT Digital Library
The N.A.C.A. CYH airfoil section (open access)

The N.A.C.A. CYH airfoil section

The NACA CYH airfoil section is described and its aerodynamic characteristics are given as tested in the NACA variable density wind tunnel at twenty atmosphere pressure. This section has a low drag, a high maximum lift, and a small travel of center of pressure.
Date: June 1926
Creator: Higgins, George J.
System: The UNT Digital Library