[link redacted at request of site owner - Jul 25, 2015]

Piano Key Inertial Balance

John Hartman [link redacted at request of site owner - Jul 25, 2015] [link redacted at request of site owner - Jul 25, 2015]
Sat, 10 Jan 2004 16:46:15 -0500


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Here is a photo of my take on this.

Thanks Mark.

Mark Davidson wrote:
> RicB wrote:
> 
>>Maybe Mark will find this a good time to make public his key MOI
>>measureing device. Open sourced... we can collectively refine it to a
>>useable and easy to build yourself tool. That way more of us can work on
>>this puppy
> 
> 
> Alrighty then.  Here it is.. spell checked and everything.  I'm sure
> there'll be many questions - don't hesitate to ask (just please read it all
> the way through first). Exact measurements for the most part are not
> critical so not many are included.   Oh yeah, and I used the word "inertia"
> loosely throughout to mean the moment of inertia, so just get over it.
> 
> http://home.mindspring.com/~mark.davidson/inertial_balance.htm
> 
> -Mark
> 
> _______________________________________________
> pianotech list info: https://www.moypiano.com/resources/#archives
> 
> 



-- 
John Hartman RPT

John Hartman Pianos
[link redacted at request of site owner - Jul 25, 2015]
Rebuilding Steinway and Mason & Hamlin
Grand Pianos Since 1979

Piano Technicians Journal
Journal Illustrator/Contributing Editor
[link redacted at request of site owner - Jul 25, 2015]


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