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 __________________________________________________________ Find your next car at http://autos.yahoo.ca
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