[pianotech] Key balance rebushing

[Ron Nossaman]

On 10/22/2010 9:51 PM, PAULREVENKOJONES at aol.com wrote:
> I remain unconvinced of the efficacy of having a bend
> at the bottom in the button slot (which is a manufacturing efficiency)

Yes, it is.


> or the top; properly glued, with the proper glue (hide), and at the
> proper depth (in the range of 3/16"), the felt should be as stable as
> it's ever going to be. We've done a lot of rebushing here over the
> years, and have never had a problem with unstable or loose bushings
> glued in and trimmed flush to the top of the button.

Exactly, which is why I said folded over the top, bottom, or not at all 
is a non-event. As an artifact of the preferred bushing method, it's 
incidental, and not a performance concern.

Ron N