= Equivalent air compliance The volume of air that has the same compliance ("springiness") as the driver's suspension Because less air is more "springy" than more air, a large Vas represents a "loose" suspension
Visual Analogue Scale, a scale in which a patient marks a point on a line between two points to indicate how much of a certain symptom, such as pain, he or she feels
Volume of air having the same compliance as the driver suspension The compliance, or stiffness, of the driver suspension is determined by the surround and the spider This parameter is measured in cubic feet