Tuning Square Grands/Tuning Hammer - In theory

[phil frankenberg]

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
>