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The unsprung mass (colloquially unsprung weight) of a vehicle is the mass of the suspension, wheels or tracks (as applicable), and other components directly connected to them. This contrasts with the sprung mass (or weight) supported by the suspension, which includes the body and other components within or attached to it. Components of the ...
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.
The main factors that improve unsprung weight are a sprung differential (as opposed to live axle) and inboard brakes. (The De Dion tube suspension operates much as a live axle does, but represents an improvement because the differential is mounted to the body, thereby reducing the unsprung weight.) Wheel materials and sizes will also have an ...
It had the advantages of simplicity and low unsprung weight (compared to other solid-axle designs). In a front-engine rear-drive vehicle, dependent rear suspension is either "live-axle" or deDion axle, depending on whether or not differential is carried on the axle. Live-axle is simpler, but unsprung weight contributes to wheel bounce.
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Weight loss is on most of our minds daily—75% of Americans say they think about their weight every day, and 14% say it's constantly on their minds. In fact, the vast majority of us (70%) would ...
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.
“The concentrations we saw in the brain tissue of normal individuals, who had an average age of around 45 or 50 years old, were 4,800 micrograms per gram, or 0.48% by weight,” Campen said.