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The elimination of an available camber adjustment may reduce maintenance requirements, but if the car is lowered by use of shortened springs, the camber angle will change. Excessive camber angle can lead to increased tire wear and impaired handling. Significant suspension modifications may correspondingly require that the upper control arm or ...
Camber is the angle which the vertical axis of the wheel makes with the vertical axis of the vehicle. This angle is very important for the cornering performance of the vehicles. Generally, a Camber around 0.5-2 degrees is given on the vehicles. Depending upon wheel orientation, Camber can be of three types. 1. Positive Camber
This is the case on a MacPherson strut which has the camber adjustment at the steering knuckle. Because camber is usually kept within 1/4° side to side, the resulting scrub radius difference is negligible. Negative scrub radius decreases torque steer and improves stability in the event of brake failure.
Lamborghini's Active Wheel Hub adjusts camber and toe on the fly, and we experienced it on the Huracán on the test track.
Excessive caster angle will make the steering heavier and less responsive, although in racing large caster angles are used for improving camber gain in cornering. Caster angles over 7 degrees with radial tires are common. Power steering is usually necessary to overcome the jacking effect from the high caster angle.
Toe is usually adjustable in production automobiles, even though caster angle and camber angle are often not adjustable. Maintenance of front-end alignment , which used to involve all three adjustments, currently involves only setting the toe; in most cases, even for a car in which caster or camber are adjustable, only the toe will need adjustment.
The behavior is stable due to the unique characteristic of camber change, when the suspension travel is minimal, and the camber change is also minimal, and when the camber control arm reaches a certain angle, the camber change is suddenly increased. Due to the narrow vehicle height range, it was not favorable to off-road driving conditions.
Camber angle cannot change during body roll. Furthermore, the roll center moves in reaction to road irregularities. Toe is typically fixed at zero for a live axle, and dynamic toe control is difficult to implement. The mass of the beam is part of the unsprung weight of the vehicle, hurting ride quality.