[pianotech] Pitch raise criteria

[Terry Farrell]

Dave - are you sure Dr. Sanderson advocated TUNING from A0 up to C8 -  
or was that just for pitch raising? Seems to me he either advocated  
starting in the temperament section or that it didn't matter. If the  
piano was at (or very close to) the proper pitch, what the heck  
difference could it possibly make what order you tune which string?

Or maybe I'm all washed up (perhaps more likely than I care to  
think.....).

Terry Farrell

>
>
>> Several years before I made the jump to using an ETD, I sat in a  
>> class
>> taught by Dr. Sanderson (inventor of the SAT). He had conducted a  
>> study to
>> see which tuning order produced the most stable tunings. The answer  
>> was to
>> start at A0 and tune unisons as you go all the way to C8. That was  
>> one of
>> the reasons I went to an ETD.
>
>> Some are worried such a procedure will cause the plate to crack  
>> from uneven
>> stress. Plates are so over-engineered I doubt it could make any  
>> difference.
>
>> Dave Stocker, RPT
>> Tumwater, WA
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