Friction rings have splined on the outer boundary and Engage with corresponding splines about the Flywheel. They are cost-free to slip axially. The friction substance thus rotates With all the Flywheel as well as the engine shaft. The quantity of friction rings depends on the torque to become transmitted. 2. https://brooksbluah.ageeksblog.com/31982407/5-easy-facts-about-clutch-plate-described