[pianotech] bobbling hammers and jack spring tension (Mannino)

Ryan Sowers tunerryan at gmail.com
Sat Jan 24 22:17:58 PST 2009


I have noticed this same thing at the bass/tenor break.

On Sat, Jan 24, 2009 at 12:13 PM, Steve Blasyak <atuneforyou at gmail.com>wrote:

> subjectBobbling hammers and jack spring tension (Mannino)
>
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> Has anyone noticed that this seems to occur frequently on Asian pianos that
> have the graduated rake for three or four notes right at the break. Some one
> once told me, I'm not sure who, that it was a geometry thing with the longer
> hammer shanks.
>
> Thanks Don for taking the time to explain this.
>
> Steve Blasyak
> Orange County Chapter
>
> Pura Vida




-- 
Ryan Sowers, RPT
Puget Sound Chapter
Olympia, WA
www.pianova.net
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