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In article aerodynamic properties of SSS87 current collectors intended for the high-speed movement of the electric rolling stock are considered. Spectra are presented of the flow for different shapes of the contact plates. The solution of a problem of modeling of flow of the contact plates of the current collector with the air environment is reached by application of methods of computing hydrodynamics (CFD) the aerodynamic coefficients necessary for calculation of aerodynamic characteristics Are defined. Aerodynamic characteristics of current collectors are constructed.