Theoretical and Experimental Study of Elastic Element Strength of Helicopter Hingeless Rotors. Part 2

摘要

We describe the experimental study of a deformed state of the tail rotor torsion bar of a light helicopter under basic types of loading and operating loads. We present a technique for evaluating the limiting state by the phenomenological strength criteria and by maximal stresses. The comparison between the experimental and calculation results shows that they are in a good agreement.