The principal clutch is a sophisticated type of centrifugal clutch and is typically mounted to the output close of your engine crankshaft. The clutch has two sheave faces; one that is laterally fastened (stationary sheave), and one which can transfer in and out to engage the belt (moveable sheave). https://gearboxcvt53074.articlesblogger.com/55051216/cvt-fundamentals-explained