wire size

[John Ross]

They have digital readout micrometers, if the numerals are too small, a magnifying glass can be used.
John M. Ross
Windsor, Nova Scotia, Canada.
jrpiano at win.eastlink.ca
  ----- Original Message ----- 
  From: pianotune05 
  To: Pianotech List 
  Sent: Saturday, June 03, 2006 11:14 PM
  Subject: Re: wire size


  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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