Replacing plain wire

[David Ilvedson]

Where does the wire get damaged in this equation?  It doesn't just break it
deforms etc. before it breaks...

David I.

*********** REPLY SEPARATOR  ***********

On 11/11/01 at 6:27 AM A440A@aol.com wrote:

><<> I'd be very reluctant to count on it being such that the elastic
>limit is
>> not reached until the pitch is raised about 200 cents.
>
>>> I still think, 
>too, that the localized high stress areas are the places that are more 
>serious for modern pianos, not the general stress levels.>>
>
>    Greetings, 
>   (I did say that the 200 cents was rough mental). 
>
>    The description of the minor third as a breaking limit is amazingly 
>consistant. This was a premise put forth by Don Galt, (around the early
>'60s 
>I think).  I have tried it on numerous restringing candidates and found it
>to 
>be danged consistantly right on.  The strings break within 30 cents or so
>of 
>it.   Of course, compromised strings will usually let go earlier.  Modern 
>wire breaks later.  
>     A scale that has low tension stringing will let  notes go higher than

>the minor third, and some pianos with a high tension stringing will see
>them 
>break sooner,  but all these limits seem to center around the minor 3rd as
>a 
>general limit.
>    Try it,wear glasses ! (I put a split cardboard tube over the string 
>before I break them.   
> Regards, 
>Ed Foote RPT