Most transmissions in present day autos use synchromesh to synchronise the speeds of the enter and output shafts. Even so, just before the 1950s, most automobiles utilised non-synchronous transmissions. Once the gear lever is moved, the synchromesh cone satisfies with the same cone about the pinion. Resulting from friction, https://marcottspo.bloguetechno.com/the-2-minute-rule-for-gearbox-68911708