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Unsprung mass is a consideration in the design of a vehicle's suspension and the materials chosen for its components. Beam axle suspensions, in which wheels on opposite sides are connected as a rigid unit, generally have greater unsprung mass than independent suspension systems, in which the wheels are suspended and allowed to move separately.
Sprung and unsprung mass are shown. Sprung mass (or sprung weight), in a vehicle with a suspension, such as an automobile, motorcycle, or a tank, is the portion of the vehicle's total mass that is supported by the suspension, including in most applications approximately half of the weight of the suspension itself.
Ignoring the flexing of other components, a car can be modeled as the sprung weight, carried by the springs, carried by the unsprung weight, carried by the tires, carried by the road. Unsprung weight is more properly regarded as a mass which has its own inherent inertia separate from the rest of the vehicle. When a wheel is pushed upwards by a ...
Weight transfer occurs as the vehicle's CoM shifts during automotive maneuvers. Acceleration causes the sprung mass to rotate about a geometric axis resulting in relocation of the CoM. Front-back weight transfer is proportional to the change in the longitudinal location of the CoM to the vehicle's wheelbase, and side-to-side weight transfer ...
The mass of the beam is part of the unsprung weight of the vehicle, hurting ride quality. The need for lateral location devices such as a Panhard rod or Watt's linkage adds more unsprung weight and partially offsets the beam axle's advantages in terms of simplicity, space efficiency, and cost.
One advantage for a comfortable ride was the reduction in unsprung weight, as the kingpins and steering gear were inboard of the suspension, and not thus counted as sprung mass. This in turn led to 'synchronous' behaviour in many cars with this suspension, where the natural frequency of the front wheel suspension, unusually for the time ...
Un sprung weight. From Wikipedia, the free encyclopedia. Redirect page. Jump to navigation Jump to search. Redirect to: Unsprung mass;
Sprung may refer to: Sprung rhythm a poetic rhythm designed to imitate the rhythm of natural speech Sprung mass (or sprung weight) the portion of the vehicle's total mass that is supported above the suspension