These utilised synchronizers to match equipment speeds, letting for smoother shifts and simpler driving. The mid-20th century noticed the introduction of computerized transmissions.  Given that the title suggests, There's two clutches in action with these gearboxes. In its most unique sort, these will likely be two various clutch systems; just https://automobilegearbox84950.blogofchange.com/34741468/detailed-notes-on-automobile-gearbox