Modern-day autos use helical gears and synchromesh products during the gearboxes, that synchronize the rotation of gears that are going to mesh. This removes clashing in the gears and tends to make equipment shifting much easier. Spur and helical gears are Employed in the sliding mesh gearbox to act. https://gearbox57890.topbloghub.com/40137568/not-known-details-about-gearbox