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Discussion and questions related to the course Professional Motorsport Data Analysis
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Good day,
I'm currently running a Caterham C400 with an MBE 9a9 ECU and Vbox HD2, i have throttle and brake traces connected into the Vbox and thinking of installing shock sensors.
I understand that typically its preferred to have 200Hz frequency for shock sensors however i don't have enough inputs left on the ECU to log through the ECU. However there is an option to run it through the Vbox HD2 however this would only be at 25HZ.
My question is whether i would gain any meaning information from logging shock sensors at 25 Hz?
Best Regards
Ross
Hi Ross,
you’re quite right 200hz is preferred for damper pots, that’s driven by the post processing and calculating 2nd order derivatives etc. but it all depends on what you want to do with that data.
if you’re just looking at displacement then 25hz could work for say mind corner balance or support under braking/acceleration and get the right spring rate and ride height.
When we start trying to optimise the damping that’s when we need the higher rates so we can get good quality data for shaft speed and acceleration to enable us to tune things like the low/mid/high speed valving crossover.
It all depends on what you want to evaluate.
