1973-02-01

Variable Rate Leaf Springs - Their Design and Characteristics 730271

The design analysis for a variable rate spring has been simplified by using an example which is symmetrical. In order for the variable rate spring to produce the desired ride qualities, specifications must establish rate curves-load and load height for the first, and also for the second, stages.Variable rate springs have the potential of improved ride quality over a wide load range, provided an adequate total deflection can be accommodated on the vehicle and the springs are designed correctly, with specifications which include control for manufacturing to obtain desired spring rates.

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