<html xmlns:v="urn:schemas-microsoft-com:vml" = xmlns:o="urn:schemas-microsoft-com:office:office" = xmlns:w="urn:schemas-microsoft-com:office:word" = xmlns="http://www.w3.org/TR/REC-html40"> <head> <META HTTP-EQUIV="Content-Type" CONTENT="text/html; = charset=us-ascii"> <meta name=ProgId content=Word.Document> <meta name=Generator content="Microsoft Word 10"> <meta name=Originator content="Microsoft Word 10"> <link rel=File-List href="cid:filelist.xml@01C5E131.4BE40910">  <style>  </style>  </head> <body lang=EN-US link=blue vlink=blue = style='tab-interval:.5in;word-wrap: break-word; -khtml-nbsp-mode: space;-khtml-line-break: after-white-space'> <div class=Section1> Thanks to all for the input.  I found the problem only in the = lower tenor.  The dip is a little = deeper than 3/8 and I think any deeper and it would not feel as good.  I may make some of you cringe, = but I pushed backchecks in 1/16” deeper, = raised blow slightly in low tenor and made sure the rest rail was close enough to = keep the shoulder from contacting the top of backcheck, still leaving 1/8” or so space below the shanks.  All is within spec, including = height of tail at drop relative to top of backcheck.  The piano plays very nice and = has a powerful whip feel that I like in most Kawais.  Thanks = again.<o:p></o:p> <o:p> </o:p> <div> Lance Lafargue, = RPT<o:p></o:p> LAFARGUE PIANOS, LTD<o:p></o:p> New Orleans = Chapter, PTG<o:p></o:p> 985.72P.IANO<o:p><= /o:p> <a href="mailto:lafargue@bellsouth.net">lafargue@bellsouth.net</a><= /font><o:p></o:p> <a href="http://www.lpianos.com">www.lpianos.com</a><o:p></o:p> <a href="http://www.lafarguepianos.com"></a> <o:p></o:p>=  <o:p></o:p><= /span> </div> <o:p> </o:p> <div style='border:none;border-left:solid blue 1.5pt;padding:0in 0in = 0in 4.0pt'> -----Original Message----- From: = caut-bounces@ptg.org [mailto:caut-bounces@ptg.org] On = Behalf Of Jeff Tanner Sent: Friday, November = 04, 2005 9:49 AM To: College and = University Technicians Subject: Re: [CAUT] Kawai Regulation <o:p> </o:p> <o:p> </o:p> <div> <div> On Nov 4, 2005, at 9:33 AM, <<a = href="mailto:lafargue@bellsouth.net">lafargue@bellsouth.net</a>> wrote:<o:p></o:p> </div> <![if !supportLineBreakNewLine]> <![endif]><o:p></o:p> Key dip is approx = 3/8".<o:p></o:p> <div> <o:p> </o:p> </div> <div> I wondered if this might be the case.  Don didn't mention = what the spec was, but I'd say 3/8" is waaaay shallow.  The shallower = the dip, the less movement the backcheck makes during travel, so what's happening = is to get the hammer to check anywhere inside of an inch, you're having to = regulate the backchecks too close to the tails at rest, causing them to catch on = the way up, and yes, they might even catch on the way = down.<o:p></o:p> </div> <div> <o:p> </o:p> </div> <blockquote style='margin-top:5.0pt;margin-bottom:5.0pt' type=cite>  Sorry Ron, I still = can't see how checking height would affect<o:p></o:p> that.  =  <o:p></o:p> <o:p> </o:p> </blockquote> </div> <o:p> </o:p> <div> It's a combination of checking height and too shallow of = dip.  I think most Asian pianos use 10 mm, but I don't have a block for that, = and I'm not sure what the exact conversion to inches is.  Most of the time, = I shoot for somewhere closer to 13/32" in Asian pianos, and that = usually works.<o:p></o:p> </div> <div> <o:p> </o:p> </div> <div> Jeff<o:p></o:p> </div> <div> <o:p> </o:p> </div> <o:p> </o:p> <div> <div> Jeff Tanner, = RPT<o:p></o:p> </div> <div> University = of South Carolina<o:p></o:p> </div> <div> <o:p> </= o:p> </div> <![if !supportLineBreakNewLine]> <![endif]><o:p></o:p> </div> <o:p> </o:p> </div> </div> </body> </html>