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This paper is a direct follow-up of the paper [1] describing in detail the VibTex equipment, which facilitates testing  of textiles in a wide range of frequencies of their extension, as well as the determination of corresponding  dynamic modules and loss angles. This equipment has been employed for testing polyester yarns of concordant  fineness manufactured on ring and rotor spinning frames. At the same time, the material concerned has been  subjected to a standard strength test. Therefore, the results of experimental measuring published in this paper  allow us to assess the effect of the chosen spinning technology upon the mechanical properties of polyester  yarns both at their static and dynamic loading. The introductory section of the paper contains a theoretical  analysis of the effect of the chosen manner of spinning upon the mechanical characteristics of yarns. The  experimental section indicates the results of measurements at static and dynamic loading, and the final section  of the paper confronts the obtained pieces of knowledge with theory. This paper is part of a larger group of  publications concerned with the behaviour of various linear textiles when exposed to dynamic loading (see [1],  [2], [4], [5], [6]).

Influence of structure of the yarn on mechanical characteristics of yarns exposed to dynamic stress