Key Leads and Inertia

[Richard Moody]

What is the formula? for inertia?

----- Original Message -----
From: Don <pianotuna@accesscomm.ca>
To: Pianotech <pianotech@ptg.org>
Sent: Thursday, May 01, 2003 12:33 AM
Subject: Re: Key Leads and Inertia


> Hi Richard,
>
> The inertia goes up by the *square* of the distance from the
fulcrum--so
> yes three weights would likely have less inertia than *one*
farther from it.
>
> Run the numbers
>
> 30 grams x 1 cm from fulcrum = 30
>
> 10 grams x 3 cm from fulcrum = 90
>
> If I'm wrong please let me know *grin*.
>
> Regards,
> Don Rose, B.Mus., A.M.U.S., A.MUS., R.P.T.
>
> mailto:pianotuna@accesscomm.ca
> http://us.geocities.com/drpt1948/
>
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