These utilised synchronizers to match gear speeds, allowing for for smoother shifts and a lot easier driving. The mid-20th century saw the introduction of automated transmissions.  From the phrases of automotive engineer John Smith, “Epicyclic gearboxes offer superb versatility and effectiveness in power transmission, earning them a well known option https://automobilegearbox90087.blogsidea.com/40565241/5-essential-elements-for-automobile-gearbox