[pianotech] Pully keys

Bruce Browning - The Piano Tuner justpianos at our.net.au
Tue Apr 20 03:34:32 MDT 2010


John,
Doesn't somebody produce a repair kit for balance holes.
A router-type drill bit and wooden washer/insert?
Heard of it?

>>There is so much mumbo-jumbo to wade through... When I did my first
>>key re-proportion job I made new quarter sawn maple shoes.  I got no
>>end of blabbering from experienced techs warning that they would
>>click and make noises.
>>
>>They didn't make noise, but  it sure  made me second guess what I
>>was doing.  JD, in your experience do these  harder balance holes
>>tend to make a racket?
>
> Mumbo-jumbo is the word, if it's not hocus-pocus. The only reason for
> using plain pine keys on a concert piano, liable to be attacked by
> keyboard-pushing prima donnas, is to cut costs.  And Kluge had used a
> particularly soft piece of cheap fir for this keyboard; to keep
> things quiet? More likely to keep Steinways sweet with a low price.
> Same thing with Renner.  You should see the jack spoons on this
> action.  They bear no resemblance to the originally conceived spoon,
> which had a neat flat face; instead the button felt wraps round their
> mis-shapen face so that I can guess now I have regulated the jacks
> I'll need to go back in a year's time to take up the re-settling.
>
> JD
>
> --
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