A simple differential can pose problems for off‐road vehicles because drive torque is divided equally between the wheels. Lower traction conditions at one wheel, either because of reduced soil strength or uneven wheel loading, can limit total potential net tractive force (or drawbar pull), or lead to immobilisation. The alternative is to use some form of limited‐slip differential; these are usually self‐acting and do not require any action by the driver. The steering performance model is used for investigating the effects of limited‐slip differentials for wheeled vehicles. The differentials can be set to free, locked or load‐proportional limited slip. The chapter shows the gross and net traction‐slip curves for the soils and surfaces considered. It also shows the net traction for the individual wheels in the locked and free conditions. Maximum traction usually occurs with a locked differential.
Effect of Free, Locked and Limited‐Slip Differentials on Traction and Steering Performance
High Speed Off‐Road Vehicles ; 203-216
2018-08-27
14 pages
Article/Chapter (Book)
Electronic Resource
English
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