A good tuning fork?

[Carl Meyer]

----- Original Message ----- 
From: "David Ilvedson" <ilvey@sbcglobal.net>
To: <pianotech@ptg.org>
Sent: Tuesday, August 30, 2005 2:34 PM
Subject: Re: A good tuning fork?


>I don't understand how filing my crotch is going to do anything to the 
>tuning fork?

If you use a coarse file it may raise your pitch some.

Carl Meyer PTG assoc
Santa Clara, Ca.



> David I.
>
>
>
> ----- Original message ----------------------------------------
> From: Mike Kurta <mkurta@adelphia.net>
> To: Pianotech <pianotech@ptg.org>
> Received: Tue, 30 Aug 2005 07:23:04 -0400
> Subject: Re: A good tuning fork?
>
>
>>    Lets go one better.  To elaborate on Don's comment, warm your fork to
>>body temperature under your armpit for 5 minutes, then using an electronic
>>pitch source you trust, adjust your fork by filing at the crotch to lower
>>the pitch, or file the tips to raise the pitch until its agrees with your
>>reference.  Then warm it the same way each time you use it.  Since body
>>temperature stays virtually the same, your fork will be accurate whatever
>>the surrounding temp.
>>    Mike Kurta
>
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