The Italian signature, Fiat, has designed a system called Traction + that does the times of an integral haulage but with a much minor cost. The first model who enjoys the same one is the Fiat Qubo. Combined with a few tires M+S, it proves to be very effective to go along along slightly prepared and not very demanding ways.
The principal function of this system of control designed by Fiat is that of increasing the mobility of the vehicle in difficult areas of bad adhesion. The Traction + makes use of the hardware installed for the control of stability of the vehicle. The control switchboard simulates to the perfection and of electronic form the behavior of a differential autoblocante electromechanical. The optimization of the computer program and the fact that the action of the forces is applied thanks to the hydraulics, and across the circuit of brakes that mounts of series the vehicle, they allow an intervention more gradual than that of a traditional system, with a few very effective services and with a minor penalization on the weight of the set.
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The system can be activated as soon as the march was initiated, whenever the speed of the vehicle does not overcome 30 km / h The way of doing it is very simple, it is enough to touch a button placed in the dashboard of the Qubo.
His functioning is the following one: In case of entire or partial adhesion absence in one of the motive wheels, the switchboard detects the slide of the same one and manages the hydraulic circuit so that it brakes it and this way to transfer all the force of the engine to the wheel that the biggest adhesion preserves on the road surface.
Ideal for ways with mud, snow-capped mountains or with free ground, the system Traction + helps the Qubo to support a few services similar to those of one 4×4 but with a much minor cost. Certainly they are not comparable in efficacy, since one 4×4 is much more reliable for slightly prepared areas. With the Traction + you cannot gain access with guarantees to areas especially difficult, but if s upone a help that does not penalize in excess the final price of the vehicle.
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