[pianotech] Soundboard deflection - Pitch raise

[Ron Nossaman]

Ryan Sowers wrote:
> Is there any material in the piano that doesn't have some degree of 
> flexibility? The structural components are also all mechanically tied 
> together. Pianos are squirmy, wriggly, stubborn things! If the plate 
> moves a bit, wouldn't the rim also have to move, and thus the pinblock, 
> and thus the keybed, etc.
> The toe bone connected to the heel bone,
> The heel bone connected to the foot bone,
> The foot bone connected to the leg bone,
> The leg bone connected to the knee bone.....

So if it's indefinable to any degree, what's the point of 
discussing it on any level?
Ron N