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Static Toe Link Load

Static toe link load is a measure of the load passing through the toe link into the steering system when the suspension is at rest.  The load is generated by the weight of the vehicle.  The magnitude of the load depends on a suspension characteristic known as the wheel load lever arm (WLLA).  The WLLA is a lever arm from the wheel centre line to the steering axis, therefore any load through the wheel centre generates a torque about the steering axis.  This torque is reacted by the toe link and generates a load in the toe link.

The WLLA depends on the castor anglekingpin inclinationwheel centre lateral offset and wheel centre longitudinal offset.  The resulting track rod load is a function of the torque about the steer axis due to this WLLA and the steering arm length on the knuckle (distance between wheel centre and toe link outboard joint).

 

 

 

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Steering Ratio