Quite a few transmissions – especially for transportation purposes – have various gears which have been utilized to change the ratio of input pace (e. Spur and helical gears are used in the sliding mesh gearbox to act. Spur gear’s teeth make a parallel connection with the gear axis. https://gearbox31964.eedblog.com/33896476/the-fact-about-gearbox-that-no-one-is-suggesting