Nuno Pedrosa wrote:

>   What we really need in this races, is the distance measuring, with
> 10 meters accuracy.

And when you spin your tires going up that hill.....your distancemeasuring
increased but you didn't?  Sorry, just being the devils
advacate.  Maybe sense for SUDDEN increase for speed (tires
spinning) and stop/reduce measuring during that period.

Can't help you with the rest. Sorry!