Steinways shank dimensions

Marcel Carey mcpiano@videotron.ca
Wed, 11 Jan 2006 13:00:55 -0500


Hi David,

The most important measurment the one that's missing from your post is
the distance from the center-pin to the knuckle. The measurments you got
from Pianophile are probably that one.

Marcel Carey,
Sherbrooke, QC

> -----Message d'origine-----
> De : pianotech-bounces@ptg.org 
> [mailto:pianotech-bounces@ptg.org] De la part de David Renaud
> Envoyé : 11 janvier 2006 11:25
> À : pianotech@ptg.org
> Objet : Steinways shank dimensions
> 
> 
> I have not usually replaced shanks over the years
> when hanging hammers, but am upgrading this habit.
> 
> I am about to embark on my 3rd set of Steinway shank 
> replacement. It has a new set of dimensions.
> 
> Center of drop screw to centre of CP is 19mm
> Centre of screw hole to CP is 24mm. 
> 
> Different then the 1901 A2 I have,
> different then a Teflon B done recently. 
> 
> My supplier, Pianophile,
> has Steinway shanks that measure 17mm and 22mm. 
> 
> Questions
> 
> 1)Does this measurement sound unusual.19-24
> 2)Just to prove it....can you tell me what
> specific model and age this piano is just from
> that measurement.
> 3) Just exactly how much grams touch difference does
> 2mm change make in Steinway's geometry here when
> mismatched.
> 4) Whom is everybody using for suppliers on this. 
> 
> I shall be studying my Steinway action geometry..... 
> Why did they make the change.
>                     
>                                   Dave Renaud
> 
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