These applied synchronizers to match equipment speeds, allowing for smoother shifts and less complicated driving. The mid-20th century noticed the introduction of automatic transmissions.  Frequently, there are two sets of gears in a standard gearbox – the enter & the output. The input gears are preset within the countershaft, creating https://charlieopmic.pointblog.net/not-known-details-about-automobile-gearbox-78014634