[pianotech] Diaphragmizing

[Ron Nossaman]

erwinspiano at aol.com wrote:
>    I find most evidence of it behind the bass bridge & around the tail 
> but also adjacent to the very top of the treble bridge there is a 
> definite slope. The slope does not reach out toward the bridge very far. 
> This slope, if not there, would allow the plate to sit partially or 
> potentially on the soundboard instead of the dowells. Looks like a 
> clearance issue
>   Dale

I suspect you're right. It's odd though, that they don't just 
set the plate so the string height isn't 5mm lower in the 
treble than everywhere else, so they can make the treble 
bridge 5mm taller (and stiffer), and get the plate off of the 
soundboard in the process. Too easy?

Ron N