Friday, October 31, 2014

FWD & RWD - Control

Control

Some sport cars funs believe the RWD vehicles’ have higher control performance than FWD, which also is a kind of misunderstanding. Everyone can recall the condition when you driving in the snow, the RWD will harder to control than the FWD. That is the reason why some rear wheel drive trucks easier loss control than the front wheel drive economics cars. If we want to discuss more professional, under steer and over steer are needed to know.

The below photo shows the normal steering

The below photo shows under steer, which is characteristic for FWD. It is easy to understand, when you steer 30 degrees in the car, but the car steering less degree than you want. 

The other one is over steer that is the characteristic for RWD. The vehicle will steer more degrees you want. That is the reason why the RWD cars’ rear wheels easier to loss control in snow or on ice.


Additional, some people will ask why BMW and Mercedes drive feeling are much better than the other brands. Some luxurious original equipment manufacturers choice RWD for some reasons, meanwhile spend a lot of time and money on it to make up the disadvantages. Importantly, BMW high control performance does not because RWD, which is all contributed by engineers hard working.

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