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/ > > 3004 Grant Rd. > REGINA, SK > S4S 5G7 > 306-352-3620 or 1-888-29t-uner > _______________________________________________ > pianotech list info: https://www.moypiano.com/resources/#archives
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