<html> <head> <META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=us-ascii"> <meta name=Generator content="Microsoft Word 10 (filtered)"> <style>  </style> </head> <body lang=EN-US link=blue vlink=purple> <div class=Section1> I have gone through the same routine on these two pianos.  Did you try another manufacturer’s backchecks by chance?  Or even just drape the backcheck with some bushing cloth or something to change the contact noise?  I’ll be interested to hear what you find.    <div> David Love davidlovepianos@comcast.net www.davidlovepianos.com </div> -----Original Message----- From: pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org] On Behalf Of DCrpt@comcast.net Sent: Thursday, August 03, 2006 5:34 PM To: Pianotech List Subject: RE: Backcheck noise   <div>        I have encountered a similar problem on two new Steinways here in the Washington DC area.I talked to Kent Webb initially about this and we thought it was bad backcheck buckskin.He sent me a new set of backchecks,and I replaced one and checked it in the piano and the noise was still there.I have already checked all the other causes for that kind sound(i.e. loose knucle cores,loose hammer heads,even loose drop screws) Eric Schandall with be visiting next week and we plan to take a look at one of these pianos,and see if he can determine the cause of the problem.I will report back to the list our findings. </div> <div>                                                                                Robin Olson RPT </div> <blockquote style='border:none;border-left:solid #1010FF 1.5pt;padding:0in 0in 0in 4.0pt; margin-left:3.75pt;margin-top:5.0pt;margin-bottom:5.0pt'> -------------- Original message -------------- From: "David Love" <davidlovepianos@comcast.net> > Tails aren't rough (in fact I tried sanding them even smoother to no avail) > and the radius seems correct in terms of the amount of tail in contact with > the backcheck. This is not a hard checking problem, it's more an issue of > noise. > > David Love > davidlovepianos@comcast.net > www.davidlovepianos.com > > -----Original Message----- > From: pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org] On Behalf > Of A440A@aol.com > Sent: Thursday, August 03, 2006 4:12 PM > To: pianotech@ptg.org > Subject: Re: Backcheck noise > > > << new Steinways recently with very loud hammer > tail to backcheck leather contact noise--especially audibl! e on a soft blow. > The leather looks and feels relatively normal but the noise is definitely > bothersome. What is the likely cause and remedy. >> > > Tails too rough. I can get good checking when I leave them pretty smooth on > > a radius is about 3" but it seems that factory hammers are often much > steeper > than that and depend on rough tails for checking security. > Sometimes, the new hammers don't have enough material left on the tail > to > correct the radius, <SIGH>. > Regards, > > Ed Foote RPT > http://www.uk-piano.org/edfoote/index.html > www.uk-piano.org/edfoote/well_tempered_piano.html > > > > </blockquote> </div> </body> </html>