[pianotech] Helping out a GH-1

Ryan Sowers tunerryan at gmail.com
Mon Sep 27 17:41:52 MDT 2010


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
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