I've got an idea, consider the labor for plugging the holes and redrilling and what a new set of Ronsen Wurzen bored hammers might cost... David Ilvedson, RPT Pacifica, CA 94044 ----- Original message ---------------------------------------- From: "Cal Munson" <cmunson at tds.net> To: pianotech at ptg.org Received: 10/23/2007 7:03:22 PM Subject: Hammer bore distance update >Thanks List for your responses. The piano is a Steinway A and the >bore distance, I am told should be 46 mm >My own 'A' has an ideal bore distance of roughly 44 with some >sections at 44.5 and others at 43.5 >The hammers in question, Renner Blues, have been drilled with a bore >distance of 49 mm (center of hole to striking surface of hammer) so >they are 5 mm off. The old hammers with shanks were sent as samples >so it is a mystery........ However, I don't see a downside to having >the hole filled and then re-drilling. But I have not done it >before... Anyone? >Cal Munson
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