I've done the D both ways (in fact the Hamburg scale uses bichords), but a few years ago I redid a Steinway O with a semi transition and had Delacour rescale it for me and he produced a set of trichords wrapped for a section and it sounded great. No problems. We discussed the issue of bi versus tri and he convinced me that the tri would sound better. Having had done this on another piano with bichords I agreed with him. David Love www.davidlovepianos.com From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On Behalf Of Dale Erwin Sent: Thursday, December 13, 2012 6:18 AM To: pianotech at ptg.org Subject: Re: [pianotech] GH-1s Like STeinway Ds for example. Uh oh...here we go again. ;) Dale Erwin R.P.T. Erwin's Piano Restoration Inc. Mason & Hamlin/Steinway/U.S. pianos www.Erwinspiano.com Phone: 209-577-8397 -----Original Message----- From: David Love <davidlovepianos at comcast.net> To: pianotech <pianotech at ptg.org> Sent: Wed, Dec 12, 2012 7:54 pm Subject: Re: [pianotech] GH-1s I prefer bi-chords to trichords as well but sometimes the windings get so small relative to the core that it's better to go with tri-chord wrapped. You need a good string maker, of course. I know a lot of people reject trichord wrapped strings but I find that there is sometimes a place for them. David Love www.davidlovepianos.com -----Original Message----- From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org <mailto:pianotech-bounces at ptg.org?> ] On Behalf Of Joseph Garrett Sent: Wednesday, December 12, 2012 6:46 PM To: pianotech Subject: Re: [pianotech] GH-1s David Love asked: "I presume you changed those to wrapped strings or something without changing the bridge. Did you use wrapped bichords or trichords, if you recall." David, You presume correctly. Wound Bi-chords. It is necessary to add 3 hitch pins, equi-spaced, to make it work.<G> It's not the very best, but it does make the piano resonably tunable and stable in that area. Of course, ya have to warn the client that you'll be, somewhat, living with their piano, forever, until the strings stabilize. Another issue is that the piano will really go whacko, pitch-wise, when you remove the lower bass strings to do the install of the hitch pins and strings! Be aware of it and it won't freak you out ...too much.<G> Once the strings are on and the lower bass strings have been re-installed and then tuned, it goes pretty much right back to were it was before you started. BTW, I try to avoid wound tri-chords if at all possible.<G> Best, Joe Joe Garrett, R.P.T. Captain of the Tool Police Squares R I -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://www.moypiano.com/ptg/pianotech.php/attachments/20121213/5c035c9c/attachment.htm>
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