bobbling hammers-1993 Kranich&Bach

Jon Page jpage@capecod.net
Mon, 02 Feb 1998 19:55:44 -0500


Lance,
Strengthen the hammer springs. This will prevent the 'fly-away'
motion of the hammer and maintain a more solid blow.
Also check hammer  blow, too much can cause this.
Jon Page
~~~~~~~~~~~~~~~~~~~~~~~~~~~
At 04:48 PM 2/2/98 -0600, you wrote:
>Dear List,
>I GIVE UP!  I've been trying to help a customer of mine who bought a cheap
>Kranich & Bach (made in Europe, 1993, sold by Baldwin) 42" upright.  This
>piano had double striking or bobbling hammers when I first saw it.  To be
>brief and to the point; I added let-off distance and dip, still some
>bobbling on soft blows, added more, still bobbling at times, then I added
>key height/dip, adjusted checking, and unless you are VERY deliberate and
>get to the very end of each key stroke, IT STILL DOES IT occasionally.
>Maker won't help, they said (basically) that's what you get for buying a
>cheap piano.  Now, the piano is no fun to play and you still get the
>occasional bobble if you're not careful.  
>Lance Lafargue, RPT



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