The objective of this paper is to assess the 4-wheel steering mechanism for automobile. A Four-Wheel Steering mechanism, which is a new technology that improves handling in cars, & other four wheelers. In general, two-wheel steering vehicles, the rear wheels do not play any role in association with the steering, they follow the path of the front wheels, this results in a large radius of turn. In a four-wheel system the rear wheels are made to turn left & right as per the requirements. In four wheels steering the rear wheels turn with the front wheels thus increasing the efficiency of the vehicle and decreasing the radius of turns, the performance of four wheels steer provides Control for parking and low-speed maneuvers, the rear Wheel steer in the opposite direction of the front wheels, allowing much sharper turns. At higher speeds, the rest of the wheels steer in the same direct ion as the front wheels. The result is more stability and less body lean during fast lane changes and turns because the front wheels don't have to drag non-steering rear wheels onto the path.
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