Coil Over Main Spring Rate Calculator

      What rate and length springs should I use?
      Edit Inputs (GREEN FIELDS), click 'Next' button to recalculate the Outputs (ORANGE FIELDS)

      Value  Units  Description 
         in  Wheel Travel
         lb  Corner Sprung Weight
       CUSW     lb  Corner Unsprung Weight
       D1     in  Distance 1
       D2     in  Distance 2
       Angle θ     °  Angle theta (degrees)
       Angle α     °  Angle alpha (degrees)
       Droop %     %  Droop/Ride Height %
       SUR %     %  Step Up Rate
      Click on the "Value" letter for a definition of that Value.

      Value  Units  Description 
       WRA     lb/in  Wheel Rate
           Motion Ratio
       SR     lb/in  Spring Rate
       RF     Hz  Ride Frequency
       DT     in  Droop Travel
       TENDER     lb/in  Tender Spring Rate
       MAIN     lb/in  Main Spring Rate
       SWR     lb/in  Secondary Wheel

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