rep springs

[Matt Wynne]

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At 10:50 AM 6/6/02 -0400, you wrote:
>I have been taught (and it says so in the regulation manuals), that the 
>rep springs should be adjusted so that there is a "gentle rise," when you 
>let up on the key. This winter I regulated all of the main pianos in the 
>school, including the piano faculty pianos, with the rep spring set to 
>give me that "gentle rise." Now, all of a sudden, piano players are 
>complaining about poor repetition, and when I check out the pianos, there 
>is almost no rise at all.
>
>Once upon a time I heard that the springs will change with the change in 
>weather. But what is happening? How come all of my rep springs are flat? 
>Inquiring minds want to know.
>
>Wim

Hi Wim:

Hammers absorb moisture in warmer, more humid weather and therefore will be 
heavier.  When adjusting hop, always keep the time of year in mind.  In the 
winter they should be a little more "hoppy' , and in the summer, a little 
more sluggish.

Matt

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