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

Moment of Inertia of grand action parts.

John Hartman [link redacted at request of site owner - Jul 25, 2015] [link redacted at request of site owner - Jul 25, 2015]
Sun, 28 Dec 2003 14:17:37 -0500


Don A. Gilmore wrote:
> Oops.  I just realized a major flaw in my reasoning.  Other components of
> the action are also moving right before the key bottoms out.  They would add
> to the total momentum of the system as well.  So much for simple.
> 
> Let me give this more than two seconds of thought and I'll see what I can
> come up with.  Sorry for the false alarm.


That's all right don,

I didn't have time to think through your last post (looks a bit over my 
head anyway) since I am working to get my equations right first. Thanks 
for the help on this just let me catch up before moving to a higher plateau.

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
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