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Static Longitudinal Stability and Longitudinal Control of Autogiro Rotors
The present report discusses three different systems of elevator control and their effects on the stability and maneuverability of autogiros: (a) ailerons and elevators (standard); (b) blade control (la Cierval); (c) gravity control (new).
Date:
October 1938
Creator:
Schrenk, M.
System:
The UNT Digital Library
The Twisting of Thin-Walled, Stiffened Circular Cylinders
On the basis of the present investigation of the twisting of thin-walled, stiffened cylinders the following conclusions can be reached: 1) there is as yet no generally applicable formula for the buckling moment of the skin; 2) the mathematical treatment of the condition of the shell after buckling of the skin is based on the tension-field theory, wherein the strain condition is considered homogenous.
Date:
October 1938
Creator:
Schapitz, E.
System:
The UNT Digital Library