Word forms: (regular plural) spring rates
noun (Automotive engineering: Design and performance) The spring rate is a measurement of the amount of force needed to compress a spring a particular distance. ⇒ The spring rate was measured by loading the tractor with a certain sprung mass. ⇒ Engineers have been working to find the optimum spring rate for the front and rear suspension. ⇒ Coil spring rate is measured in pounds of resistance per inches of compression.
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