Clutch

Clutches disconnect the engine’s rotational power from the transmission, enabling gear changes and smooth vehicle starts/stops. Typically found in manual transmission vehicles, clutches utilize friction between a pressure plate, friction disc, and flywheel to transmit torque. Key components include the pressure plate (spring-loaded force), friction disc (organic or ceramic materials), throw-out bearing (disengages pressure plate), and flywheel (engine-side friction surface). Variations include single-plate, multi-plate, and diaphragm spring designs, influencing clamp load and performance characteristics. Modern clutches increasingly integrate hydraulic actuation for smoother operation and reduced pedal effort.