These made use of synchronizers to match gear speeds, letting for smoother shifts and much easier driving. The mid-20th century noticed the introduction of computerized transmissions.  Do not forget that inside a neutral posture, just the clutch shaft equipment is engaged on the countershaft equipment. Other gears are no cost, https://automobilegearbox86395.csublogs.com/41174155/the-definitive-guide-to-automobile-gearbox