[s-cars] Which pressure do you use in your tires for a track day

[Theodore Chen]

--- Trevor Frank <tfrank at symyx.com> wrote:
>
> With modern tires reading the pyrometer when you come off of the track
> gives little insight to what is going on.  I have talked to several tire
> guy's about this.  The temperature loss and conductivity the current
> radial tires is such that the data is often misleading.  I have had them
> recommend that I set the camber, and adjust tire pressure to get the
> appropriate amount of roll over.  I have been looking and some day I
> would like to build an IR tire reader with 3 -4 IR sensors so that I
> could monitor tire temps on the track.

did you try a probe pyrometer?  the surface temperatures of the tire
tend to change very quickly after the car stops moving.  a probe that
goes into the tire tread will be more accurate, though less convenient
to use than an IR pyrometer.

-teddy


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