It was obvious distortion as I best recall. I had bedded that frame before, and have bedded hundreds of Steinway frames before and since that time. It was certainly noticeable when I examined the piano shortly thereafter getting it ready for the concert soon to follow. Will -----Original Message----- From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On Behalf Of William Truitt Sent: Thursday, November 26, 2009 4:09 PM To: 'David Ilvedson'; pianotech at ptg.org Subject: Re: [pianotech] Lyre Damage It's been about 20 years so, I am fuzzy on some of the details, but I think it was. Will -----Original Message----- From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On Behalf Of David Ilvedson Sent: Thursday, November 26, 2009 3:22 PM To: pianotech at ptg.org Subject: Re: [pianotech] Lyre Damage I wouldn't think that was a permanent distortion... David Ilvedson, RPT Pacifica, CA 94044 ----- Original message ---------------------------------------- From: "William Truitt" <surfdog at metrocast.net> To: pianotech at ptg.org Received: 11/26/2009 10:24:43 AM Subject: Re: [pianotech] Lyre Damage >Rebedded it. > >Will > >From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On Behalf >Of Lou Novak >Sent: Thursday, November 26, 2009 12:15 PM >To: pianotech at ptg.org >Subject: Re: [pianotech] Lyre Damage > >Will- > >You wrote; > I tuned it often, and cared for its needs for regulation and voicing. >As such I had a pretty good >idea of the levelness of the keybed before the move, and afterwards. Where >the bed had been flat and the frame bedded before the move, it was not flat >and the frame floating at the ends afterwards. > >Wondering, did you find the condition corrected itself or did you re-bed the >key frame? > >-Lou >----- Original Message ----- >From: William Truitt <mailto:surfdog at metrocast.net> >To: pianotech at ptg.org >Sent: Thursday, November 26, 2009 9:01 AM >Subject: Re: [pianotech] Lyre Damage > >Hi Ron: >I think it would be fair to say, that unless you see the perps committing >the atrocities to the keybed, the evidence is going to be indirect and >anecdotal. That said, I do remember one German Steinway C that was housed >in a large facility and concertized on regularly. I tuned it often, and >cared for its needs for regulation and voicing. As such I had a pretty good >idea of the levelness of the keybed before the move, and afterwards. Where >the bed had been flat and the frame bedded before the move, it was not flat >and the frame floating at the ends afterwards. I did not see the move, but >did know that the movers had set the piano on the lyre as part of the move >(I asked them later). My guess is that they had set it down roughly, and >that had caused the distortion. If you take the lyre out the equation as >part of your teardown process, it is not possible to set it down roughly and >damage the keybed. >My mover, who does about 1,000 to 1,500 pianos a year, often does the >following: He removes the lyre, and sits in a chair in front of the keybed >as close as possible to the bass end. His helper lifts the bass end and >sets it down on the chaired movers knees after he has slid them under the >keybed. His knees are open 6 to 12 inches during this process. The piano >is then sitting high enough that the helper can with some leisure remove the >bass leg, after which point they position they skid board underneath to then >lower the piano onto it from there. Set up reverses this process. I have >seen him do this with concert grands too. These are full time professional >movers who work very quickly and safely, and I have learned a lot from >peeking over their shoulder. They work smart, not hard. You could say >there are old piano movers and there are dumb piano movers, but that there >are no old, dumb piano movers. >To what other possible causal agents would you possibly attribute the upward >distortion of the keybed that we so often see? I am sure there must be >others, but I remain of the belief that setting the piano on the lyre can be >one of them. >Will >-----Original Message----- >From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On Behalf >Of Ron Nossaman >Sent: Thursday, November 26, 2009 11:08 AM >To: pianotech at ptg.org >Subject: Re: [pianotech] Lyre Damage >Porritt, David wrote: >>> I've said many times that the >>> lyre is meant for hanging and the keybed cannot or should not take the >>> weight of supporting the piano even temporarily >> >> You mean, like sitting on the piano horse - on the key bed? >> Ron N >> >> But the piano horse distributes that same weight across the whole key bed >rather than a few square inches above the lyre. >Quite so. I'm curious though. Have any of you found action >problems you could attribute directly to setting a piano up on >the lyre? Any actual evidence of key bed damage from this? I >never have, but there are still an infinity of places I >haven't been. So I was wondering if this is real, or yet >another of those "intuitive" things. I know broken lyres and >crushed corners on bottom plates are real, I'm just wondering >where all this concern for the key bed comes from. >Ron N
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