Keith Hartman

Reducing suspension mass is not achieved simply by cutting steel from a conventional spring. Parabolic leaf springs use a tapered, variable-thickness leaf profile so material is concentrated where the spring carries the required stress. The result can be a lower-mass spring assembly, while retaining the load and spring-rate characteristics needed by the vehicle. The amount of savings depends on the specific design, duty, and comparison spring.

Keith Hartman · 5 min read

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