bobbling hammers-1993 Kranich&Bach

[Lance Lafargue]

The piano and action parts are brand new.  
Lance Lafargue, RPT
New Orleans Chapter
Covington, LA.
lafargue@iamerica.net

----------
> From: DGPEAKE@aol.com
> To: pianotech@ptg.org
> Subject: Re: bobbling hammers-1993 Kranich&Bach
> Date: Wednesday, February 04, 1998 10:50 PM
> 
> In a message dated 98-02-02 18:03:42 EST, you write:
> 
> << 
>  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.  
>  
>  I have come across this problem hundreds of times over the years and
have
>  always been able to regulate it out, but I can't seem to get this one to
>  stop without regulating it out of the comfort zone.  I remember some
>  Samicks and Yamahas in the low tenor had this problem due to the angle
of
>  the surface on the butt where the jack contacts.  Any ideas?  Thanks
very
>  much!
>  Lance Lafargue, RPT
>  New Orleans Chapter
>  Covington, LA.
>  lafargue@iamerica.net
>  
> What is the condition of the buckskin on the catchers?  When they are
worn, no
> matter how good of a regulation you do, the hammers will still bobble.
> 
> Just a thot.
> 
> Dave Peake, RPT
> Portland, OR 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
>