On wheeled or tracked vehicles, body roll is a reference to the load transfer of a vehicle towards the outside of a turn. When a vehicle is fitted with a suspension package, it works to keep the wheels or tracks in contact with the road, providing grip for the driver of vehicle to control its direction. This suspension is compliant to some degree, allowing the vehicle body, which sits upon the suspension, to lean in the direction of the perceived centrifugal force acting upon the car. Anti-roll bars are a part of the suspension specifically designed to address body roll.
When a vehicle is fitted with a suspension there is compliance between the mass of the vehicle and the vehicle's contact with the ground. Body roll is the noticeable (either perceived or measureable) deflection produced when load transfer acts on the compliant elements of the suspension. Anti-roll bars directly impact body roll but their design intent is actually as a tool to adjust roll couple percentage or roll moment distribution.
Other articles related to "rolls, body roll, body, roll":
... well as the most advanced." Green's said that "in soft mode, the car rides just as deftly as a Rolls-Royce, probably better the suspension feels more compliant than the CX's ... In sports setting the XM handles beautifully, far less body roll and pitch than that which betrayed the CX ... comfortable car in its class in absolute terms only a Jaguar or Rolls-Royce can match it.. ...
... A sway bar is usually a torsion spring that resists body roll motions ... cylindrical steel bar that connects to the body at two points, and at the left and right sides of the suspension ... The stiffness of an anti-roll bar is proportional to the stiffness of the material, the fourth power of its radius, and the inverse of the length of the lever arms (i.e ...
... baggage near its center of gravity and have similar tire loading, camber angle and roll stiffness in front and back to minimise the variation in handling characteristics ... Body roll – the car leans towards the outside of the curve ... When the weight transfer equals half the vehicle's loaded weight, it will start to roll over ...
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