Anti Roll Bar Stiffness Formula
During equal bump or rebound travel of each wheel the trailing arms swing about their front.
Anti roll bar stiffness formula. There would be no change to the roll angle of the car. New anti roll bar stiffness calculator so you can compare different bar sizes to your original bars and also compare different adjustments on the bar. The stiffness of anti roll bar can be calculated by using the finite element software ansys. From some inspection of schroeder sway bar charts this seems to be the case.
While the picture shows a racing bar i think the formula under estimates stiffness since typically the arms are not of the same material and typically stiffer. 10 15 4 anti roll rubber blocks fig. It connects opposite left right wheels together through short lever arms linked by a torsion spring a sway bar increases the suspension s roll stiffness its resistance to roll in turns. We could remove the anti roll bar stiffen the springs by the equivalent amount.
The effects of anti roll bar design parameters on final anti roll bar properties are also. Stiffness per weight is the basis for the comparison of different types of anti roll bar. After the tyre pressures which we handled in 5 2 another significant setting to tweak on the skip barber is the anti roll bar arb in the rear first of all you need to understand what an arb is and what it does to the car. Analysis of anti roll bar is especially important as cases are reported about the fracture of anti roll bar after a 1 00 000 km of travel.
The red component in the illustration below is an anti roll bar which nearly every racing car has on its rear and or front axles. Then work out your preferred upgrade from whiteline eibach and h r uprated anti roll bars are one of the most effective ways of improving not only the handling of a car but also outright grip levels. See fred s book for more information on how the front and rear sway bar rates affect the handling. We can replace one with the other and still have the same anti roll affect.
10 108 a conventional anti roll bar can be incorporated between the trailing arms to increase the body roll stiffness of the suspension or alternatively built in anti roll rubber blocks can be adopted fig. Anti roll bar calculations racing technology. An anti roll bar roll bar anti sway bar sway bar stabilizer bar is a part of many automobile suspensions that helps reduce the body roll of a vehicle during fast cornering or over road irregularities.