lacquer-voicing

Horace Greeley hgreeley@stanford.edu
Fri, 04 Mar 2005 22:43:08 -0800


Davie,

At 08:42 PM 3/4/2005, you wrote:
>I went through this before (and on the list as well) and emailed Eric a 
>couple of times.  The lacquer I have is also 26% solids and 10:1 doesn’t 
>do much, if anything.

It is not supposed to do a lot in that kind of solution.

Cheers.

Horace


>   To build up the hammers I still use a series of strengths from 3:1 for 
> the upper end where the hammers are always too soft.  4:1 in the lower 
> treble and upper tenor, and 5:1 for the lower part of the piano.   If 
> that doesn’t get there I prefer to file though sometimes a second 
> application is necessary.   Sometimes I back off on the solution 
> depending on the piano and the goal.  You have to play it by ear 
> ☺.  For sharpening the attack only, I still use a very dilute key-top 
> solution out of a 2oz hypo oiler (fine tip).  I dissolve one keytop in 8 
> oz of acetone and then cut that in half with an equal amount of pure 
> acetone.  I prefer the plastic solution for sharpening the attack 
> slightly on the crown because it seems to needle out better, but I like 
> the lacquer for building up the hammer density overall.  !
>In your case, since the piano already has power, I would opt for a 
>relatively dilute lacquer solution (5:1 or 6:1) or the KT solution as 
>described and put a thin line across the top of the hammer or three small 
>drops, one on each string groove.
>
>Depending on which class you take the strength of the solution 
>varies.  Not that long ago they were advocating 3:1.  5:1 must be a new 
>step in the technology.  Or, the hammers are coming out of the factory 
>harder, which they very well might be.
>
>
>David Love
>davidlovepianos@comcast.net
>\
>
>-----Original Message-----
>From: pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org] On 
>Behalf Of Tom Driscoll
>Sent: Friday, March 04, 2005 9:33 PM
>To: Pianotech
>Subject: lacquer-voicing
>
>List,
>     I attended a voicing class  sponsored by Steinway and presented by 
> Eric Shandall this week at Steinerts in Boston.
>     Eric outlined some lacquer techniques and suggested using water white 
> nitrocellulose lacquer that was 12% solids by weight and thin with 
> acetone 5 to lacquer 1.
>
>     I have a source for the above mentioned lacquer, but it is 26% solids 
> by weight.Logic tells me that I just need to thin this 10 to 1 to acheive 
> the same ratio.   Am I on track here?
>     Your comments as always appreciated.
>
>     P.S.
>      He applied this ratio to the strike point (3 small drops) at the 
> beginning of the presentation on a note that had a weak attack . At the 
> end of the presentation (90 min) the note had come up quite well.
>     I'm going to try this on  20 year old B that I have just regulated 
> .Hammers reshaped with very little wear .Sustain and power are good but 
> the attack is very weak and the pianist would like this piano to come up.
>    Mr. Shandall also outlined other methods of his voicing techniques 
> that is part of a longer class he is offering next week at the upcoming 
> pacific northwest convention.
>     We had a nice crowd on a very snowy night and Steinerts was very 
> gracious with their hospitality.
>     Tom Driscoll RPT
>
>
>
>
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