Soundboard Evaluation

[Ron Nossaman]

>Hi Terry,
>               Some food for thought for you.
>   I have seen some pianos with good crown, some net bearing. (two 
>measurements only) Yet sound awful in the treble. With 3 measurements it 
>looks like bridge roll. Emmmmmmmmmm!!!!!
>   Once stripped down I have found sever string grooves in the forward side 
>of the bridge cap.
>
>Resurface the cap, re notch the bridge pins, install new bridge pins. 
>Correct plate height, and wow what a difference.
>
>I have no doubt that you board is toast, but you must measure the angles of 
>all planes to get a true picture.
>
>Regards Roger


Ok Roger, since no one else called you on this, I'll bite. How did
resurfacing and renotching the cap and "correcting" plate height cure
"bridge roll", and if it wasn't "bridge roll", how did measuring all the
angles give you a "true" picture of anything? 
 
Ron N