Roll Center location
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.
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.
"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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