Temperature and the Tuning Fork

[Jonathan Best]

I'm going to import a 440 tone  mp3 file into my palm pilot next time  
I feel technically inclined.

Jonathan Best
jb at bubblemusic.com
928-830-4887
www.bubblemusic.com




On Jun 27, 2008, at 6:43 PM, Ed Sutton wrote:

> Andrew-
>
> I use the heavyweight Walker fork. It's calibrated to my pocket. I  
> carry it in a leather pouch with an aquarium thermometer stuck to  
> the pouch. At 82 degrees Farenheit it's accurate with two tenths of  
> a cent, and it holds its temperature reasonably well.
>
> For the tuning exam, it's probably best to get an electronic A440.
>
> Ed Sutton
> ----- Original Message -----
> From: Andrew and Rebeca Anderson
> To: Ed Sutton ; Pianotech List
> Sent: Friday, June 27, 2008 12:10 PM
> Subject: Re: Temperature and the Tuning Fork
>
> I have one of those forks and I did calibrate it to my shirt-pocket  
> temperature.  It seems to be the only way to "guarantee" as  
> reasonably regular pitch (human bodies, barring illness, are finely  
> temperature regulated).  What is interesting is how fast the pitch  
> can change in a fork, particularly in a cute little thin one.
>
> Andrew Anderson
>
> At 08:17 AM 6/27/2008, you wrote:
>> See p. 18 of the same issue (July).
>> A good fork (such as the Walker forks) will have a specified  
>> calibration temperature.
>> Some technicians prefer to calibrate the fork to a pocket  
>> temperature.
>> See www.tunelab-world.com for calibration instructions.
>> Ed Sutton
>> ----- Original Message -----
>> From: Matthew Todd
>> To: pianotech at ptg.org
>> Sent: Thursday, June 26, 2008 9:21 PM
>> Subject: Temperature and the Tuning Fork
>>
>> Hi,
>>
>>
>> On p. 9 of this issues journal, can you explain the temperature/ 
>> tuning fork relationship?  What is the purpose of being able to  
>> keep track of it's temperature?  Also, what is the best way to  
>> store a tuning fork, and how do you get it calibrated?
>>
>>
>>
>>
>> Many thanks,
>> Matthew
>
>

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