Analytical determination of application point and normal reaction arm when rolling a wheel on a drum

Evaluation of the rolling resistance car tires is now often performed on drum stands like tests. This necessitates study mechanics interaction between wheel and in order to determine its force kinematic characteristics, including values points application tangential normal forces contact with drum. These problems can be solved taking into account that elastic a same as when flat rigid support surface. In this paper, from consideration an drum, using equations power balance equilibrium wheel, for determining point reaction arm relative axis during along one two drums have been derived.. dependencies simple form applied considering both single whole stand.