Dick of Carrera shocks was able to hook us up with some better springs on Tuesday.
One way of understanding suspension is through the natural frequency. Natural frequency us the rate the car will bounce once disturbed and can be calculated as the square root of the ratio of spring rate to mass. Production cars generally have a natural frequency of about 1 Hz. This is driven more by comfort than performance as 1 Hz is similar to a walking pace. Non-aero racecars have have a natural frequency closer to 2 Hz. If mass is held constant the spring rate would need to increase by a factor of 4 to double the natural frequency.
Dick has a huge collection of old racing springs. We were able to put together a motley collection that would get us significantly closer to that fabled 2 Hz
Thursday, August 20, 2009
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