Most transmissions in modern day cars use synchromesh to synchronise the speeds of the input and output shafts. However, ahead of the 1950s, most autos used non-synchronous transmissions. An automated transmission does not need any enter from the driver to vary forward gears below normal driving conditions. They are https://gearbox75207.kylieblog.com/34343437/not-known-factual-statements-about-gearbox