on needling old upright hammers

[Avery Todd]

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Julia,

You don't mention how old the piano is or how deep the string grooves
might be. Have you tried steaming the hammers? Or even doing what's
called "sugar coating" them? Just curious.

Avery

At 02:36 PM 7/16/04, you wrote:
>Greetings,
>
>              We were told in piano tech school NOT to needle hammers 
> right on the crown. Upon arriving home from 9 months at tech school, I 
> was Jones-ing to refurbish my old upright and needle the hammers in my 
> Yamaha U3, as the tone was harsh on both pianos.
>
>               Well, I first did the old upright's hammers. Needled the 
> "shoulders of the hammers careful to not go near the crowns. Put the 
> action back in the piano and I heard hardly no change. That horrible 
> harsh, explosive, glassy sound prevailed. So, I decided to slightly 
> needle just a few of the offenders alittle closer to the crown. No 
> difference...tried alittle further into the crowns....To make a long 
> story short, I didn't alleviate the harsh tone till I deeply pounded the 
> needle right in the crowns of the things! What gives?
>
>                I got the results I wanted, namely a more mellow tone, but 
> only when I did exactly what I was told NOT to do.
>
>Julia Gottchall,
>Reading, PA

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