Most transmissions in modern cars use synchromesh to synchronise the speeds in the input and output shafts. Nevertheless, prior to the 1950s, most cars and trucks employed non-synchronous transmissions. Examples of this sort of transmissions are used in helicopters and wind turbines. In the situation of a wind turbine, https://beckettprpms.bloguerosa.com/32797478/the-basic-principles-of-gearbox