[CAUT] rubbing back checks.

[David Ilvedson]

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Wim,

I have never heard of that.  I'd say you had a lot of "cheek" to=
 write that note to the professor.  Why not just fix the=
 problem?

David I.






Original message
From: 
To: 
Received: Tue, 15 Feb 2005 10:03:58 EST
Subject: [CAUT] rubbing back checks.


Yesterday there was a note on the piano of one of the piano=
 profs' D, ("key rubs when holding down Db6 and playing C5)  Upon=
 inspection, I noticed the back checks were rubbing against each=
 other. I wrote the following to the professor. 
 

 
> The problem with the keys you pointed out was the Dd back check=
 was
> rubbing  
> against the C back check, but only when the Db was depressed.=
 When I
> had the  
> action out, I noticed several other back checks that were=
 almost
> rubbing 
> against  their neighbors. There was one similarity with all the=
 ones
> that were 
> close to  their neighbors. They all belonged to a black key.=
 Then I
> looked at the 
> front of  the key, and noticed they were very close to the=
 white key.
> 
>  
> This is caused by playing glissandos on the black keys. It has=
 always
> been  
> advised for piano players not to play glissando on the black=
 keys.
> Primarily  
> because the key button can't take the strain, but also because=
 it
> does cause 
> the  key to move over, and thus create this problem. 
>  
> Now, if you are not playing glissando on the black key, I=
 wonder if
> perhaps  
> when you play a glissando on the white key, your fingers rub=
 against 
> the 
> black keys, causing them to move over. 
>  

His response was:
 
Wim,

"I rarely play glissandos."

 
My question to you guys is this. Have any of you experienced=
 this, and what solution do you have? This is a 45 year old D,=
 with the original action. 
 
His other comment was:
 
"Perhaps the technicians guild needs to take this matter up with=
 the 
composers guild, particularly the branch that deals with dead 
composers.  Debussy and Ravel were noted for their transgressions=
 into 
glissandi."


Any takers for an ad hoc committee to investigate this problem=
 and make recommendations?
 
 
Wim
Willem Blees, RPT
Piano Tuner/Technician
School of Music
University of Alabama
Tuscaloosa, AL USA


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