erard key dip and hammer blow

[Gevaert Pierre]

Hi,

 

Take look at the site of Louchet (search on Google Louchet+ Fractales)

 

   _____  

De : pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] De la part
de Max Di Mario
Envoyé : lundi 9 avril 2007 19:58
À : pianotech at ptg.org
Objet : erard key dip and hammer blow

 

Hello,

 

I am situated in a town in the north of Italy, near Milan.

 

I have a major problem with two Erard pianos: one is 1890 and the other is
1894

 

I am trying to present these pianos in a historically correct way. I feel
that the aesthetic of the sound needs to be considered apart from volume
issues.

 

basically I need to know what the factory key dip would be for such a piano.

 

I have seen and heard 11mm 10mm 9mm 8mm all regulations

with varied results.

 

the piano I am trying to regulate is currently at 10 mm with hammer travel
at 48-50 mm

 

with 11mm it's possible to get 54-52 mm which works but the black keys are
too low-looking for it to be factory-settings.

 

if I place the hammers for 47-48 mm hammerblow and 9 mm key dip the hammers
look high above the hammer rest!

 

I have heard that 8-9 mm is more like it.. that would raise the hammers
fairly high above hammer rest but the keyboard makes more sense..

 

Does anyone out there know what the key dip was for erard in the 1890's FROM
THE FACTORY?

 

Max Di Mario


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