Further details about the Schumann piano with bridge agraffes

David Ilvedson ilvey@sbcglobal.net
Thu, 11 Nov 2004 16:46:24 -0800


Ron,

Out of curiosity, what hammers did you use on the Kawai?

David I.



----- Original message ---------------------------------------->
From: Overs Pianos <sec@overspianos.com.au>
To: Pianotech <pianotech@ptg.org>
Received: Fri, 12 Nov 2004 06:07:54 +1100
Subject: Re: Further details about the Schumann piano with bridge agraffes

>>>Kerry,
>>>Are you sure about that? If yes, it is very interesting.
>>>But wouldn't the board get crowned , at least a little, when humidity
>>>increases?
>>
>>That's right. No crown, no bearing. At least no intentional bearing. 
>>Readings I took this summer appeared to be random slightly +-, but 
>>essentially zero bearing.
>>
>>>I do not understand the cause of the distortion. Are the agraffes or the
>>>lack of crown the culprits?
>>>
>>>Regards,
>>>
>>>  Calin Tantareanu
>>
>>It's not the agraffes. The soundboard assembly isn't stiff enough. 
>>The entire scale is one big killer octave.
>>
>>Ron N

>And I'll second Ron N. When he flew in to Sydney on July 16 this 
>year, as good timing would have it, I had to check a buzz in our 
>rebuilt Kawai KG6 (loose screws in lid hinge) that very afternoon for 
>a concert which was being held at the Independent Theatre on the 
>following Tuesday. There are three Stuart 220's at this theatre along 
>with our resident rebuilt Kawai KG6 (image, of KG6 freshly rebuilt, 
>is at http://overspianos.com.au/kg6.html).

>Although Ron and Loui had only just endured the twenty hour trip from 
>Wichita to Sydney, he was on for the trip to see to Stuart 220. He 
>came equipped with his Lowell downbearing gauge, which is a must for 
>serious downbearing analysis.

>Ron O.
>-- 
>OVERS PIANOS - SYDNEY
>    Grand Piano Manufacturers
>_______________________

>Web http://overspianos.com.au
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