Rear Axle and Rear Wheel SuspensionCamber
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Camber
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Camber is the angle between a wheel's centre plane (1) and a
vertical line (2) to the plane of the road.
It is a positive camber (I) if the wheel centre plane tilts
outwards from the vertical line. It is a negative camber (II) if it
tilts inwards towards the vertical line.
To achieve high lateral forces and hence better handling when
cornering, modern vehicles are usually designed with a negative
camber.
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Effects of incorrect measurement angles
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Camber too large (negative):
- improved lateral control on cornering,
- at high speed and high axle load, unacceptable heating of tyre
shoulders
- tyre damage due to overheating
- premature inner tyre wear
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Camber too low (positive):
- poorer lateral control on cornering
- increased outer tyre wear (only in conjunction with toe-in
fault)
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07 Steering & suspension