Vertical touch weight

Frank Cahill fcahill@erols.com
Sun, 24 Jan 1999 20:51:51 -0500


Larry J. Messerly wrote:
> 
> I just got home from tuning and evaluating a Gulbransen console 1954.
> The customers complaint about the acton was that it was too heavy, not
> something I normally run into with consoles.
> 
> Down weight was 69 gms., up weight 21 gms.  giving me what I presume to
> be 24 gms. of friction.  If I can get that down to 10 gms. the down
> weight should come to 55 gms.
> 
> Are there standards for verticals?
> 
> Are my ideas off?
> 
> My plan is to repin wippens and hammers, possibly reduce hammer return
> spring tension, refelt wippens and lubricate action areas as possible.
> 
> Larry Messerly RPT
> Phoenix/Prescott
> A Real "Bald-one"
> 
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Check the balance and front rail pins.  I polished them in an old
console and also performed a regulation.  The biggest effect was due to
the polisihing. it really reduced the effort needed to play the piano.

The customer said "this is the best this piano ever played."
-- 

Frank Cahill
Associate Member
Northern Va


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