[pianotech] balance hole break-loose noise

[Laura Olsen]

You know, what about enlarging the hole and cutting a kerf or 2 to insert vaneer front and back.  That would give new wood to the surface area.

Thoughts?

Laura Olsen

On Sep 4, 2011, at 8:11 PM, William Monroe wrote:

> 
> 
> Agreed again.  Over-easing .  There is a remote possibility that Protek could be an end-game ('though, again, I share your doubt), but over-easing alone is certainly not an end-game, but was meant as a diagnostic, possibly a first step.  Considering over-easing the holes to the point of getting rid of the noise (if that is even possible) and then glue sizing with another kind of glue.  What substance and/or technique do you use to reduce enlarged balance rail pin holes?
> 
> 
> Alan
> 
> 
> 
> Hi Alan,
> 
> I've simply steamed balance rail holes that were modestly enlarged with good success.  If they require much more than steaming, I machine out the material and replace with a quarter-sawn poplar insert.  The method is one created by Ralph Onesti which utilizes mated circular machining bits for removing the old wood and cutting a matching plug out of new material.  Very slick system.  I've replaced entire keyboards this way as needed.
> 
> William R. Monroe
> 
> 
> 

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