Hammer bore distance update

[David Ilvedson]

I've got an idea, consider the labor for plugging the holes and redrilling and what a new set of Ronsen Wurzen bored hammers might cost...

David Ilvedson, RPT
Pacifica, CA  94044

----- Original message ----------------------------------------
From: "Cal Munson" <cmunson at tds.net>
To: pianotech at ptg.org
Received: 10/23/2007 7:03:22 PM
Subject: Hammer bore distance update


>Thanks List for your responses.  The piano is a Steinway A and the  
>bore distance, I am told should be 46 mm
>My own 'A' has an ideal bore distance of roughly 44 with some  
>sections at 44.5 and others at 43.5

>The hammers in question, Renner Blues, have been drilled with a bore  
>distance of 49 mm (center of hole to striking surface of hammer) so  
>they are 5 mm off.   The old hammers with shanks were sent as samples  
>so it is a mystery........ However,  I don't see a downside to having  
>the hole filled and then re-drilling.   But I have not done it  
>before... Anyone?

>Cal Munson