The dual-disc clutch—often called a twin-disc or multi-disc clutch—is designed to increase holding power over an OE-style single-disc clutch. Not to be confused with a dual-clutch transmission (DCT), ...

Disc motors are permanent-magnet stepping motors that exhibit performance comparable to that of hybrid motors. Rotors in disc motors are thin (typically less than 1-mm) discs, unlike the cylindrical ...