On second thought - the class could be generic and not mention Yamaha specifically, as there are other short scaled instruments that could benefit from the same type of modification. Hmmmm...sounds promising... On Mon, Sep 27, 2010 at 4:41 PM, Ryan Sowers <tunerryan at gmail.com> wrote: > I don't think Yamaha would appreciate it very much! I spoke with them a > while back about this issue - its a touchy subject! > > > On Mon, Sep 27, 2010 at 4:25 PM, Allan Gilreath, RPT < > allangilreath at bellsouth.net> wrote: > >> Ironically, I've had to perform this operation on two GH-1s over the >> years and both had been subjected to the ire of old tom cats with an >> irritable bladders so, needless to say, they were complete restringings with >> new dampers... >> >> Keep up the good work Ryan. This might make for an interesting class in >> Kansas City next summer! >> >> >> Allan >> Allan Gilreath, RPT >> Registered Piano Technician >> >> President - Allan Gilreath & Associates, Inc. >> website - www.allangilreath.com >> email - allan at allangilreath.com >> phone - 706 602-7667 >> >> >> On 9/27/2010 7:17 PM, Ryan Sowers wrote: >> >> On the piano I mentioned above, replacing the dampers was unnecessary. The >> trichord wedges fit very nicely in the new bichords which were slightly >> wider since we used the original agraffs. If we had switched agraffs we >> would have had to switch dampers too, but using the original agraffs >> eliminated this need. A little hokey? Maybe! But the piano is kinda hokey >> too so it seemed appropriate! And it saved the client $$. >> >> On Mon, Sep 27, 2010 at 4:00 PM, Ron Nossaman <rnossaman at cox.net> wrote: >> >>> On 9/27/2010 5:41 PM, Barbara Richmond wrote: >>> >>>> Thanks, Allan. >>>> >>>> I understand about humidity control, but I was under the impression that >>>> the scale design deficiencies of those notes in low tenor do affect how >>>> far and quickly they go out of tune--they're touchy, right? >>>> >>> >>> Yes, and I think that's what he's saying. Getting rid of those low >>> break% low tenor notes improves stability across the break tremendously. >>> >>> I've only done one of these. Four bichords, added two hitches, and left >>> the original trichord agraffes. Changed the affected dampers too, of course. >>> No other rescaling, restringing or anything else. It was just a low tenor >>> conversion. It seems to me I hung about 100g of brass under the low end of >>> the bridge too. >>> >>> It makes them less awful, but since you can't change the speaking >>> lengths, the wraps get down to about 0.008" on the last bichord. For what >>> it's worth. >>> >>> Ron N >>> >> >> >> >> -- >> Ryan Sowers, RPT >> Puget Sound Chapter >> Olympia, WA >> www.pianova.net >> >> > > > -- > Ryan Sowers, RPT > Puget Sound Chapter > Olympia, WA > www.pianova.net > -- Ryan Sowers, RPT Puget Sound Chapter Olympia, WA www.pianova.net -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://ptg.org/pipermail/pianotech.php/attachments/20100927/7788a35a/attachment.htm> -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: image/jpeg Size: 13287 bytes Desc: not available URL: <http://ptg.org/pipermail/pianotech.php/attachments/20100927/7788a35a/attachment.jpeg>
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