These utilised synchronizers to match gear speeds, enabling for smoother shifts and a lot easier driving. The mid-20th century observed the introduction of automated transmissions.  In this process, the gears are in continual mesh. They're safer from problems, prevents equipment clashing challenges, as well as don’t deliver any uncomfortable sound https://griffinkmjfz.blogadvize.com/41660179/the-automobile-gearbox-diaries