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SUSPENSION EXPLAINED

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Showing posts from April, 2016

Trailing arm suspension query

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By All About Suspension - April 12, 2016

does trailing arm has camber change at rear ?

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HOW A CAR SUSPENSION WORKS
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Roll center location and basics
Why soft springs at the front?

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How car suspension works?

By All About Suspension - July 09, 2016

The roads are filled with irregularities and uneven surface. Vehicle moving over such terrain thus experiences vibrations due to the force transmitted because of the uneven surface. The vibrations in the vehicle arising due to road irregularities are absorbed by the suspension system. For a Double Wishbone system the force gets transmitted from the wheels to the Knuckle then to the lower a arm and finally to the shock absorber where it gets damped out. Thus, the suspension system helps to provide a smooth and comfortable ride to the passengers. When a vehicle hits a bump in the road it causes the wheel to move up and down perpendicular to the road surface. The magnitude, of course, depends on whether the wheel is striking a giant bump or a tiny speck. Either way, the car wheel experiences a vertical acceleration as it passes over an imperfection. Without an intervening structure, all of wheel's vertical energy is transferred to the frame. In such a situat

Roll Center location

By Shubham Modi - September 09, 2016

Most of the books says that the roll center should be as low as possible (Nearer to the ground) to Minimize body roll. But this statement is not applicable in all conditions. The basic logic behind minimizing body roll is that. "The Distance between the CG (Center of gravity) and Roll center should be as minimum as possible." The above fig. explains everything. The distance between CG and RC leads to generation of Moment. Thus the lesser the distance, lesser will be the chance of the vehicle to roll. Now for the books that says that Roll Center should be low ; The reason for this statement is for most of the vehicle CG is nearer to the ground hence lower the RC less will be the distance between RC and CG. Thus, less will be the moment generated. Thus the conclusion is that the RC should be close to the CG to minimize body roll.

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