This is a multipart message in MIME format ---------------------- multipart/alternative attachment That I didn't know, but I don't measure the old center pin anyway= since if your repinning you've got a problem with that size. I check a #21 in the birdseye and center. That tells what I need= to know. i.e. if tight in both I go down a size. If tight in= the birdseye but loose in the flange I've to go up to #21.5 or larger or= rebush. If loose in the birdseye, I have to go up in size. I= think you get the idea... When repinning a section, it becomes apparent pretty quickly what= size you working with... David I. ----- Original message ----------------------------------------> From: David Love <davidlovepianos@comcast.net> To: 'Pianotech' <pianotech@ptg.org> Received: Tue, 16 Nov 2004 09:06:55 -0800 Subject: RE: Calculate string size And, btw, for center pins, subtract 10 and divide by 2. Example.= Center pin mics at ..050. (50-10)/2 =3D #20 center pin. Yes, they do ask those on the RPT exam, or at least they did. David Love davidlovepianos@comcast.net -----Original Message----- From: pianotech-bounces@ptg.org= [mailto:pianotech-bounces@ptg.org] On Behalf Of David Ilvedson Sent: Tuesday, November 16, 2004 8:21 AM To: pianotech@ptg.org Subject: Re: Calculate string size Guys... Forget the .033, just think of it as 33, OK? Subtract 5 =3D 28,= divide by 2 =3D 14 wire size. David I. ----- Original message ----------------------------------------> From: Farrell <mfarrel2@tampabay.rr.com> To: Pianotech <pianotech@ptg.org> Received: Tue, 16 Nov 2004 06:32:24 -0500 Subject: Re: Calculate string size 0.033 inches =3D -2.4835 wire size? Terry Farrell ----- Original Message ----- From: Bob Sutton To: Pianotech Sent: Monday, November 15, 2004 10:44 PM Subject: Re: Calculate string size Micrometer reading - 5 , and divide by 2. Gw=3D(d-5)/2 Hope that helps.. Bob ----- Original Message ----- From: Mark Montbriand To: pianotech@ptg.org Sent: Monday, November 15, 2004 9:38 PM Subject: Calculate string size Greetings, Would someone be kind enough to tell me the formula for= calculating the string size with the reading you get from the= micrometer measurement? I.E. if the mic tells me the thickness is .033 of an inch, What= is the string size? Thank you in advance Mark --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.796 / Virus Database: 540 - Release Date:= 11/13/2004 ---------------------- multipart/alternative attachment An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/bc/56/25/39/attachment.htm ---------------------- multipart/alternative attachment--
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