1. The rear servo
early a lot of people heard that Beverly has a unique technology called rear-wheel steering. From the name it sounds very deep, so that in the end is what kind of technology? There are those aspects and how many degrees of improvement on handling and comfort of the car? In fact, figure out how it works in the future will not feel the magic of the legendary so.
The so-called rear-wheel steering means a car when cornering, in addition to providing a steering force and the front wheel steering direction other than the rear wheel can also have a degree of steering angle. Although the angle is very small, but to a certain extent, can improve vehicle maneuverability. Servo steering Beverly steering angle generally provide only the same phase, that is to say the rear wheels the front wheel steering direction of the same. Although at the time of exercise of such a small low-speed rear-wheel steering angle does not seem to have much effect, but when traveling at high speed, such a small steering angle can play a role of crucial importance.
This mechanism sounds very deep, in fact, the structure is very simple. He was not arranged in a complete rear wheel steering mechanism, but merely suspended with a rear wheel suspension arranged between a vehicle body and a number of cushion rubber, the rubber is suspended by flexible connection to the vehicle body, since there is a certain elasticity of the rubber, in another within the elastic limit of very high strength, so when the car turns, rear suspension connecting point of the rubber cushion can occur under the effect of a certain degree of elastic deformation of the lateral force.
so as to drive the wheel toe angle change do certain angle. Then the rear wheels as the steering wheel is able to do a small angle turned. The steering angle depends on the hardness of the rubber pad. The softer the rubber, the greater the steering wheel angle variable, but to reduce the differential stiffness of the suspension stability; the harder the rubber cushion, the rear wheel steering angle is smaller, but the suspension stiffness, high stability. So the design needs to weigh the pros and cons, do focus adjustment based on the actual use of the car.