[CAUT] Bore distances for Steinway L

Peter petersumner at mac.com
Thu May 27 09:01:20 MDT 2010


This may seem simplistic, and please don't take offence, but have you  
wound the drop screws out a ways so you can get a clear shot at what  
let off is doing ?
P

Sent from my iPhone

On May 27, 2010, at 7:54 AM, Paul T Williams <pwilliams4 at unlnotes.unl.edu 
 > wrote:

> Hi all,
>
> It's been years since I bored my own hammers and need a number.   
> What is a proper bore distance for a Steinway L (1924).  I installed  
> some Abel Naturals last fall and the project went on hold while the  
> piano got a new board and bridges. I just measured A-0 and it's  
> 2-1/8".   I'm trying to regulated the action and am having a tough  
> time for some reason.
>
> The key level and dip is factory perfect, I've got the proper blow  
> distance of 1.75". I can't get let off any closer than 1/4"!! The  
> rebuild was done right and the plate is the same height as before.   
> I've even tried to raise the blow a bit, and still can't get it to  
> let off correctly. The frame is perfectly bedded.  The wips are old,  
> but in pretty good shape.  I started at A-0 and only tried 5-6 notes  
> before writing yall.
>
> I'm wondering what's going on.  Any thoughts of what to check next?
>
> Paul
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