Don't they have metric center pins in Europe? Is there a comparison available? David Ilvedson, RPT Pacifica, CA 94044 ----- Original message ---------------------------------------- From: "Allen Wright" <akwright at btopenworld.com> To: "Pianotech List" <pianotech at ptg.org> Received: 5/15/2008 12:24:37 PM Subject: Re: center pinning question >Dale, >No, it's Hamburg. >Allen >On May 15, 2008, at 2:00 AM, erwinspiano at aol.com wrote: >> Hi Allen >> first things first. >> IS it an American Stwy? If so factor in the vertigris >> equation.......if not .....nevermind. >> Dale >> >> >> -----Original Message----- >> From: Allen Wright <akwright at btopenworld.com> >> To: Pianotech List <pianotech at ptg.org> >> Sent: Wed, 14 May 2008 4:27 pm >> Subject: center pinning question >> >> In repinning an old (1930's) Steinway M, quite a few were loose. I >> found that replacing the old pins with the exact same size (but >> new) pins was producing just the amount of friction needed - and >> even in some cases adding too much, so that I had to ream with my >> "Mannino" burnishing files. Any theories on how that happens? >> Something to do with the nap of the cloth changing in the process, >> or perhaps the angle of the pin changing in the bushing, or (even >> more unlikely) that somehow only the outer edges of the pin are >> slightly worn on the old pins? (These are the various ideas me and >> my colleagues were coming up with to explain the phenomenon). >> >> Thanks, and I'll take my answer off the air... : ) >> >> Respectfully, >> >> Allen Wright. RPT >> >> = >> Plan your next roadtrip with MapQuest.com: America's #1 Mapping Site. >Allen Wright >London, UK >http://www.broadjam.com/akwright
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