A real-time simulation system for the Bobsleigh sliding, is presented in this paper. This simulation system aims at analyzing the degrees of safety of a race track at the design stage, that can satisfy the conditions prescribed by the international rules as well as explaining in layman's terms the analysis on the display.

To execute the simulation, the following inputs we are used as analytical conditions: track layout, sectional shape of track, total weight, speed attained approaching starting line, coulomb's coefficient of friction, and aerodynamic drag coefficient etc. Therefore, the analyses shows the time, velocity, and positions in a cross section at any point.

This simulation system uses a Graphic Work Station (GWS) to perform both calculations and displays the results for each time step. An evaluation from all the data obtained from the simulation of the entire track can be shown on the display. Therefore this system can be applied not only to the design assistant system but also to the training system for a driver of Bobsleighs in the future.

After the equations of motion are shown, the application of this system is presented.

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