----- Original Message ----- From: "Andrew & Rebeca Anderson" <anrebe@zianet.com> To: "Pianotech" <pianotech@ptg.org> Sent: Tuesday, February 01, 2005 7:14 PM Subject: Nifty conversion between micrometer and center pin sizes > Hi, > I'm plowing through my reference material to find that conversion and it > isn't happening. Does anyone remember this off of the top of their heads? > Andrew > > _______________________________________________ > pianotech list info: https://www.moypiano.com/resources/#archives > Multiply pin size by two and and ten [#20 center pin X 2 = 40. Add ten = 50 (.050")]. Or working the other way, subtract ten from the diameter in thousandths and divide by two. Similar for piano wire, but using 5 instead of 10. --David Nereson, RPT
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