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Re: WNG capstan sizes
Emery Wang #3038467 10/22/20 11:27 PM
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Originally Posted by Emery Wang
Bill, my wife is already looking at me sideways for having the action out on the dinner table every other weekend "on a perfectly good piano." If I start plugging and drilling too, I'll be sleeping on the couch.

That’s funny Emery. We have all been there.

Like I always say, “if it ain’t broke, fix it ‘til it is” 🤣


-Bill L. - former tuner-technician
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Re: WNG capstan sizes
Emery Wang #3038471 10/23/20 12:20 AM
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Originally Posted by Emery Wang
Bill, my wife is already looking at me sideways for having the action out on the dinner table every other weekend "on a perfectly good piano."
That was exactly the scene each time I had a piano delivered to our home😄

I hope the glue trick works for you. Tissue shim is a good idea but plumber’s tape might give a better distribution of materials and hopefully not bunch up inside.

Re: WNG capstan sizes
WBLynch #3038591 10/23/20 10:46 AM
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Originally Posted by WBLynch
Like I always say, “if it ain’t broke, fix it ‘til it is” 🤣

I love that!

Re: WNG capstan sizes
Emery Wang #3038730 10/23/20 06:20 PM
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Emery,

I didn't read the whole thread. You cannot get caps that are the same size for slightly larger?

Peter Grey Piano Doctor


Peter W. Grey, RPT
New Hampshire Seacoast
www.seacoastpianodoctor.com
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Re: WNG capstan sizes
Emery Wang #3038734 10/23/20 06:43 PM
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Hi Peter. They only have 3 capstan sizes: V1, Standard, and Old Steinway. My original capstans are 5mm. The V1s are the smallest, the Standard are next. They are supposed to be 5mm and are what I ordered, but in actuality are slightly smaller than 5mm, hence the looseness I'm feeling. The Old Steinways are listed at 6mm, so I think they would be too large.


Daily driver: Kawai MP11SE
First crush: Kawai GL10
Current fling: Petrof III
Foster child: 1927 Kurtzmann upright
Re: WNG capstan sizes
Emery Wang #3039644 10/26/20 06:11 PM
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So I did the watered down hide glue treatment this weekend. It did size the holes down and about 1/3 of the capstans fit tightly, 1/3 are very snug, and 1/3 are pretty snug. Repeated application didn't change anything. However, I'm satisfied that the capstans are now straight and will hold. I'll monitor the hammer line, but I don't expect anything to move.

I did try teflon plumber's tape, so thanks K8KT. It did tighten things up, but the teflon made the capstans turn too easily.

Thanks again to everyone, especially Ed Foote and piano411 for all your suggestions. The differing opinions really helped me understand things better.

Last edited by Emery Wang; 10/26/20 06:13 PM.

Daily driver: Kawai MP11SE
First crush: Kawai GL10
Current fling: Petrof III
Foster child: 1927 Kurtzmann upright
Re: WNG capstan sizes
Emery Wang #3039693 10/26/20 08:40 PM
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I'm glad your project turned out. It's interesting to hear how the plumber's tape worked in the piano. I had never done that before. I wasn't expecting it to necessarily have that effect on the system. But, it is good to know.


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Re: WNG capstan sizes
Emery Wang #3039950 10/27/20 01:33 PM
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Good that things worked out.

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New Hampshire Seacoast
www.seacoastpianodoctor.com
pianodoctor57@gmail.com
https://www.youtube.com/watch?v=PK0T7_I_nV8
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