Analysis of the Ultimate Strength and Optimum Proportions of Multiweb Wing Structures (open access)

Analysis of the Ultimate Strength and Optimum Proportions of Multiweb Wing Structures

From Introduction: "The results are presented in the form of a structural-efficiency chart where minimum structural weight is plotted as a function of the structural index for constant values of the ratio of wing depth to skin thickness."
Date: March 1956
Creator: Rosen, B. Walter
System: The UNT Digital Library
An apparatus for measuring rates of discharge of a fuel-injection system (open access)

An apparatus for measuring rates of discharge of a fuel-injection system

From Introduction: "An apparatus that gives a quick and an accurate measurement of the rate of discharge has been has been designed by the NACA and is described in this report."
Date: March 24, 1941
Creator: Dutee, Francis J.
System: The UNT Digital Library