Math/Physics Problem: degrees of rotation of tuning pin = howmuchpitch change

[Ron Nossaman]

>     but not for the guy that is working on the self tuning piano
> 
> 
> Is that the one with with heating elements to change pitch?
> 
> 
> [kurt]

The strings are the heating elements in that one. Don Gilmore, 
patent# 6559369. Number 5756913, for a tuning mechanism, is 
also his.
Ron N