Roller Size, again, correction

Jon Page jonpage@mediaone.net
Wed, 06 Sep 2000 14:08:28 -0400


At 08:21 AM 09/06/2000 -0400, you wrote:

In my haste this morning I placed the SWR in the wrong column.
The higher ratio went to the smaller knuckle.

>As promised, I tested two different knuckle heights from the same set 
>measuring .662 and .628.
>
>                 .628            .662
>UW              17              17
>DW              43              41
>F               13              12
>BW              30              29
>SWR           6.5           6.4
>Diam.           .277            .289
>
>Center pin friction was nearly the same with the smaller knuckled shank 
>having two more short swings.
>
>Interesting findings, I'll have to ponder them as start tuning for the new 
>semester starting in a few weeks.
>
>Regards,
>Jon Page,   piano technician
>Harwich Port, Cape Cod, Mass.
>mailto:jonpage@mediaone.net
>~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~



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