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Tyre spring rate

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willeng

willeng

Mechanical
Joined
Nov 9, 2003
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132
Location
AU
Could anybody help me out with a simple test method to find the Tyre Spring Rate or a Constant figure to use in suspension programs for the Tyre Spring Rate in Kg/cm or lb/in.

Thanks
 
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Sure. It's easiest to do it at the back. Measure the rolling radius (ground to wheel centre) unladen. Put two passengers and some weights in the back. Measure it again. Measure the corner weights in the two conditions.

should be around 250 N/mm

Cheers

Greg Locock
 
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