Yamaha damper question

[Isaac OLEG SIMANOT]

Hello,

I remember John delacour telling he did not like the Renner center pin
(plated) and using Japanese one actually in preference (or another brand I
don't remember where it comes from)

Is it because of the plating quality, the size ?

Be welcome to jump in , John.

I use German standard pins (pre-cut) and long ones 'fils de centre' in
French, without any particular comment on them, nor the size is not always
precise in the long ones, and may be they can corrode with time, but the
ones we buy in France have probably been made many years ago so that can be
understood .


Isaac OLEG

>  I think most of the better supply houses are  using German Silver pins.
>
> I have never recieved a satisfactory answer, re plating and pitting, as to
> weather the pins were at fault, or a chemical reaction to some
> thing in the  bushing cloth.
>
> Roger
>
>
>
> At 09:01 PM 5/3/02 -0400, you wrote:
> >Friends,
> >
> >I still have two unanswered questions on this matter.  Are plated center
> >pins used in any new pianos?  Do I run the chance of buying plated center
> >pins from the parts people?
> >
> >Thanks,
> >Clyde
> >
> >Clyde Hollinger wrote:
> >
> >> Friends,
> >>
> >> Earlier this week I received a complaint that a key was sticking on a
> >> 1976 Yamaha G2 grand piano.  When I arrived I diagnosed the problem as
> >> the D#4 damper not returning to rest on the strings after the note was
> >> played.  I replaced the center pin holding the damper lever to the
> >> damper lever wire flange and all was fine.  The same thing had happened
> >> to the neighboring D4 damper three years ago.
> >>
> >> The removed pin looked discolored where it rotated in the felt bushing,
> >> so I decided to check it out under a microscope and see if I
> could learn
> >> something.  Some friends have a cheap one, but it served to
> show me that
> >> the center pin appeared to be deeply scratched around the pin.
> >>
> >> Now to my questions:  Is this a case of flaking plating that I heard
> >> about?  If not, what is likely the problem?  Are the center pins I buy
> >> from Schaff plated as well?  Will this become a chronic
> problem for this
> >> particular piano?  If so, is there any preventive measure I can take
> >> without replacing that center pin in every damper?
> >>
> >> Thanks,
> >> Clyde Hollinger, RPT
> >
> >
> Roger Jolly
> Balwin Yamaha Piano Centres.
> Saskatoon/Regina.
> Canada.
>