[pianotech] new board evaluation

[Gene Nelson]

> I'm curious to know more about why the rim needed to be built up.  Why do
> you that part of the board wouldn't go down very well?
I could have forced the board down with clamps at glue up I suppose, but I 
thought that doing this would greatly contribute to its stiffness. Also, in 
order to set bearing I needed to have the board down on the rim all the way 
around. Clamps were not an option with the plate in so I used screws. The 
screws would have split the board if I tried to use them to pull the board 
down.
If I had my way I would have cut off the board at the first bass rib and it 
would not have been an issue.
Gene