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Bass strings on Yamaha T-116 overlapping coils #2801622 01/13/19 04:36 PM
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P W Grey Offline OP
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Has anyone noticed or had an issue with overlapping coils on any of these T116's coming out of Thomaston, GA around 20 years ago, causing somewhat premature string breakage?

Coils too close to the plate resulting in a steep angle from the bottom of the coil up to the nut, and overlapping last coil. Question really is whether this situation would have a permanent effect on wire strength, or if backing the tuning pin out a couple turns and re-installing the coil with no overlap would be a reasonably permanent fix?

Any experience here?

Pwg


Peter W. Grey, RPT
New Hampshire Seacoast
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Re: Bass strings on Yamaha T-116 overlapping coils [Re: P W Grey] #2801729 01/13/19 10:52 PM
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BDB Offline
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I have seen it in other pianos, and broken strings that were overstressed where the coil loops over, so I try to straighten them out when I can. See if you can do it without removing the string first.


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Re: Bass strings on Yamaha T-116 overlapping coils [Re: BDB] #2801748 01/14/19 01:08 AM
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daniokeeper Offline
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Originally Posted by BDB
I have seen it in other pianos, and broken strings that were overstressed where the coil loops over, so I try to straighten them out when I can. See if you can do it without removing the string first.


Totally agree.

Also, since the strings are being deflected at a too great angle at the nut, it probably wouldn't hurt to use a little ProTek at that bearing point. It may not help, but it wouldn't hurt.


Joe Gumbosky
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"The object in life is not to be on the side of the majority, but to escape finding oneself in the ranks of the insane." -Marcus Aurelius
Re: Bass strings on Yamaha T-116 overlapping coils [Re: P W Grey] #2801839 01/14/19 09:03 AM
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P W Grey Offline OP
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I think I'll pass on putting Protek on a tuning pin, but yes, I do intend to straighten them out (not actually removing the coil is a good idea and I will try that). Pins are plenty tight so even two full turns should be ok.

My concern mostly was whether wire fatigue has already affected it irreversibly. I'm thinking it has, but maybe not so bad.

Edit: Okay Joe, on re-reading, your suggestion was Protek at the nut, not the tuning pin...that makes more sense. I think that was what you were saying, right?

Pwg

Last edited by P W Grey; 01/14/19 09:06 AM.

Peter W. Grey, RPT
New Hampshire Seacoast
www.seacoastpianodoctor.com
pianodoctor57@gmail.com
https://www.youtube.com/watch?v=PK0T7_I_nV8
Re: Bass strings on Yamaha T-116 overlapping coils [Re: P W Grey] #2801849 01/14/19 09:41 AM
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Bourniplus Offline
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Hi, I started this thread a few years ago, I think some of it relates to what you're describing: http://forum.pianoworld.com/ubbthre...angle-at-the-tuning-pin.html#Post2540945


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Re: Bass strings on Yamaha T-116 overlapping coils [Re: P W Grey] #2801859 01/14/19 10:11 AM
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daniokeeper Offline
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Originally Posted by P W Grey
I think I'll pass on putting Protek on a tuning pin, but yes, I do intend to straighten them out (not actually removing the coil is a good idea and I will try that). Pins are plenty tight so even two full turns should be ok.

My concern mostly was whether wire fatigue has already affected it irreversibly. I'm thinking it has, but maybe not so bad.

Edit: Okay Joe, on re-reading, your suggestion was Protek at the nut, not the tuning pin...that makes more sense. I think that was what you were saying, right?


Pwg



Not on the tuning pin.... On the nut... the bearing point

Last edited by daniokeeper; 01/14/19 10:14 AM.

Joe Gumbosky
Piano Tuning & Repair
www.morethanpianos.com
(semi-retired)

"The object in life is not to be on the side of the majority, but to escape finding oneself in the ranks of the insane." -Marcus Aurelius

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