<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=Content-Type content="text/html; = charset=iso-8859-1"> <META content="MSHTML 6.00.2900.2627" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=#d8d0c8> <DIV><FONT face=Arial size=2>Hello Cy and List</FONT></DIV> <DIV><FONT face=Arial size=2>Has this piano been subjected to = wrest-pin doping?</FONT></DIV> <DIV><FONT face=Arial size=2>Regards</FONT></DIV> <DIV><FONT face=Arial size=2>Michael G.(UK)</FONT></DIV> <BLOCKQUOTE dir=ltr style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; = BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px"> <DIV style="FONT: 10pt arial">----- Original Message ----- </DIV> <DIV style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: = black"><B>From:</B> <A title=741662027@theshusters.org = href="mailto:741662027@theshusters.org">Cy Shuster</A> </DIV> <DIV style="FONT: 10pt arial"><B>To:</B> <A = title=pianotech@ptg.org href="mailto:pianotech@ptg.org">Pianotech</A> </DIV> <DIV style="FONT: 10pt arial"><B>Sent:</B> Saturday, May 28, 2005 = 2:36 AM</DIV> <DIV style="FONT: 10pt arial"><B>Subject:</B> Discoloration on = underside of pinblock</DIV> <DIV><BR></DIV> <DIV><FONT size=2>New customer today with a gorgeous Yamaha C7, = 1993.  It was in Tennessee for a while, and has been out here for several years.</FONT></DIV> <DIV><FONT size=2></FONT> </DIV> <DIV><FONT size=2>I felt the edge of the pinblock through the = half-opened fallboard, and felt ripples in places.  Removing the fallboard, = the underside was stained dark in large areas across about a third of it, = like a walnut stain (wish I had a picture).  In some places, there were = thin white lines in the shape of the grain, with broad dark lines between = them (where the harder wood didn't absorb the color?).  </FONT></DIV> <DIV><FONT size=2></FONT> </DIV> <DIV><FONT size=2>The color didn't scrape off with a = fingernail.  In the dark areas, I could feel ripples, parallel to the bass strings (from = the milling machine, perhaps?).  The light areas were very = smooth.  No other stained areas in the action cavity.</FONT></DIV> <DIV><FONT size=2></FONT> </DIV> <DIV><FONT size=2>Pin torque was tight.  No signs of moisture = damage, save that if you caught a reflection off the soundboard just right, = you could see a few cracks starting to form in the varnish, along the glue joints.</FONT></DIV> <DIV><FONT size=2></FONT> </DIV> <DIV><FONT size=2>Any ideas as to the cause?</FONT></DIV> <DIV><FONT size=2></FONT> </DIV> <DIV><FONT size=2>--Cy Shuster--</FONT></DIV> <DIV><FONT size=2>Bluefield, WV</FONT></DIV> <DIV><FONT size=2></FONT> </DIV></BLOCKQUOTE></BODY></HTML>