Heavy truck leaf springs at one time had a "rebound leaf". This spring leaf helped hold up the axle when the tire was off the ground, reducing the possibility of damage to the main leaf of the spring. This practice was replaced with various types of retainers that combine the stiffness of all...
The "Ross Point" is the theoretical location for the end of the drag link near to the steering box. The "Windup Center" of the leaf spring is the ideal location for the axle end of the drag link. These two points provide a steering geometry with minimum steering effects from the deflection of...
