Matt Your argument appears sound, but I have to agree with Joe's assessment. The longer the lever , the more flex. More flex, less accuracy. Phil Frankenberg Chico, Ca. ----- Original Message ----- From: "Matt Wynne" <ptuner@optonline.net> To: <pianotech@ptg.org> Sent: Monday, July 01, 2002 3:13 PM Subject: Re: Tuning Square Grands/Tuning Hammer - In theory > At 11:23 AM 7/1/02 -0700, Joe wrote: > >. The longer the lever the greater the mechanical > >leverage AND the lesser is the accuracy! > > Hmm...Joe, wouldn't be the other way around? Wouldn't it be greater accuracy? > > Let's view a tuning lever as the radius of a circle, and your hand is at a > point on the circumference of the circle. > > On a normal tuning lever where the radius is 12 inches or so, you may have > to move your hand, say, 1/4 inch along the circumference of that circle to > raise a note, say, 2 cents. > > When you switch to a longer tuning lever, the circumference is enlarged. > > To raise the same note the same 2 cents will require more distance, let's > say for the sake of argument: 1/2 inch. > > Therefore, if the original 1/4 inch of motion will now raise the note 1 > cent instead of 2, wouldn't you consider that a gain in accuracy? > > Food for thought. > -Matt >
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