Obtaining a mathematical model of a net fishing gear or its section

Nhe article discusses the possibility of obtaining various design parameters of fishing gears in the form of cylinders, cones and other space figures. On the basis of data from drawings, the analysis of the construction of net fishing gears was made, a number of their construction features suggested, a list of design values for research and graphs presented. This was illustrated by the calculation of mesh bar size, density, opening of mesh, radius and tensile strength of bundles of mesh cones of the 29.2/33M bottom trawl for cephalopod fishing and fine-mesh part of 70/370M mid-water trawl. Based on the data from the cut drawings, diagrams were constructed and the functional changes of the parameters along the length of the area under consideration were obtained.