Dynamics of the movement at a dry paving
That at bad coupling about expensive Torsen-differential works correctly and witty, it is already impossible to deny. Therefore here further explanation of that occurs in transmission of the all-wheel drive Audi car on the dry road is given: as it was already mentioned, forward wheels pass on turns longer piece of a way, than back because back wheels spin smaller radius.
Proceeding from it, the Torsen-differential tells to the back bridge (because of its lower frequency of rotation) the big traction force that supports a desirable tendency on an entrance to turn.
If the driver enters turn too sharply and thus one of back wheels revolves, the differential immediately directs more traction force to (at this moment) to "slower" forward wheels. Fast reaction of system leads to that now more strongly forward wheels pull, and it stabilizes the car. Effect – dynamic properties in the critical range on turns considerably improve.
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