wire size

[pianotune05]

Does anyone out there have any recommendations on a micromiter to measure wire thickness for those of us who are vision impaired.?  I have one of those round slotted kind, gray in color that you place over the string to see how think it is.  It's a little tough to read.
Marshall
  ----- Original Message ----- 
  From: piannaman at aol.com 
  To: pianotech at ptg.org 
  Sent: Saturday, June 03, 2006 9:24 AM
  Subject: Re: wire size


   Michelle,

  A good way to remember without a chart:

  Subtract 5 from the thickness, then divide by two, and voila!  The wire size  

  (41-5+36, 36 divided* by 2 = 18)

  Dave Stahl

  *how DOES one get the division symbol on a computer keyboard??


   
  -----Original Message-----
  From: Avery <avery1 at houston.rr.com>
  To: Pianotech List <pianotech at ptg.org>
  Sent: Sat, 3 Jun 2006 09:13:31 -0500
  Subject: Re: wire size


  Michelle, 

  Dave beat me to it but here's a chart you might like to keep handy. 
  I have one similar hanging on a wall in my shop. I can also send it
  to in Excel if you can open that. 

  Avery 

                 Size      Diameter    App.feet per lb.

        W12       .029       440
        W12½      .030       415
        W13       .031       390
        W13½      .032       366
        W14       .033       350
        W14½      .034       328
        W15       .035       306
        W15½      .036       290
        W16       .037       274
        W16½      .038       260
        W17       .039       250
        W17½      .040       234
        W18       .041       223
        W18½      .042       212
        W19       .043       200
        W19½      .044       190
        W20       .045       182
        W20½      .046       174
        W21       .047       165
        W21½      .048       160
        W22       .049       156
        W23       .051       140


  At 08:50 AM 6/3/2006, you wrote:

     Michelle,
     
    That would be correct.  Wire that thick can have a mind of it's own!
     
    Dave Stahl
     
     
    -----Original Message-----
    From: Michelle Smith <michelle at cdaustin.com>
    To: 'Pianotech List' <pianotech at ptg.org>
    Sent: Sat, 3 Jun 2006 08:43:08 -0500
    Subject: RE: wire size

    <?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /> 
    I’m new at this game Avery so please tell me if I’m wrong.  I just measured the scrap string I took off the piano at .041.  Am I correct that this would be a size 18?
     
    It’s a giant old piano.
     
    Thanks!
     
    Michelle
     
     

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    From: pianotech-bounces at ptg.org [ mailto:pianotech-bounces at ptg.org] On Behalf Of Avery
    Sent: Saturday, June 03, 2006 8:29 AM
    To: Pianotech List
    Subject: RE: wire size
     
    Wow. That seems awfully big for middle C. You sure it wasn't a lower note? 

    Avery Todd
    University of Houston
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