According to the special requirements of energy-saving motor racing and the conditions of track driving,the rear axle clutch of the transmission system has been designed and researched.By comparing the power transmission of different clutches,a more efficient way of clutch is chosen.Combined with the actual situation of the car design,Creo software is used on modeling the selected clutch,to make it correctly installed without interference.The designed rear axle clutch is processed and assembled on the car.I...