These utilised synchronizers to match gear speeds, making it possible for for smoother shifts and simpler driving. The mid-20th century saw the introduction of automated transmissions.  Commonly, There's two sets of gears in a traditional gearbox – the enter & the output. The enter gears are mounted to the countershaft, https://automobile-gearbox20627.bloggazzo.com/33213150/the-definitive-guide-to-automobile-gearbox