SSANGYONG Korando 2012 Manual page 915

2. TORQUE STEER
Torque steer is a condition in which a vehicle pulls to either side because of an inequality of
traction between the left and right driving wheels when a large torque is applied to the front wheel
of a FWD or 4WD.
Especially for a FWD vehicle, this mechanical condition can cause the steering effect because of
the output torque (rotational force) produced by the gyroscope.
This rotational force is due to the difference in distance between the left/right front wheels and the
transaxle which leads to the change of the shaft bending angle.
To prevent this, the intermediate shaft, called Intermediate shaft, is employed on each side so that
the bending angle and the length are kept constant.
A gyroscope is a device for measuring or maintaining orientation, based on the principles of
angular momentum. In essence, a mechanical gyroscope is a spinning wheel or disk whose
axle is free to take any orientation. Although this orientation does not remain fixed, it changes
in response to an external torque much less and in a different direction than it would without
the large angular momentum associated with the disk's high rate of spin and moment of
inertia. Since external torque is minimized by mounting the device in gimbals, its orientation
remains nearly fixed, regardless of any motion of the platform on which it is mounted.
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