Capo Hardening, was: Tuning problems under capo bar

[gordon stelter]

I have even seen 1920's KIMBALLS(!!!) with the
groove-and-steel-rod solution to the soft capo
problem. What other pinaos have you folks seen this
on, and why didn't Steinway and some other costly
makes use it?
     Thump

--- "Kevin E. Ramsey" <kevin.e.ramsey@cox.net> wrote:
> Hello Ron. I there anything you can tell us about
> hardening the capo. I've seen you write about that
> before. Is this something you do in your shop? Do
> you do it to all pianos? Do you have a method of
> testing the hardness of the capo? Am I asking
> questions that have already been answered? Thanks. 
> 
> Terry Farrell 
> 
>     Terry, I don't know about Ron, but I've thought
> about it, and I don't see how you could harden the
> capo. I hope I'm wrong, but you hard, or temper a
> metal by heating it until it glows for a certain
> amount of time, and then you quench it in either oil
> or water. The plate is going to act as a gigantic
> heat sink, not allowing the metal to get to the
> proper temp, and you'd have trouble quenching it
> even if you did. When you heat a metal and allow it
> to cool by itself, it's called annealing, and it
> softens the metal. Others can tell me if I'm all
> wet, but that's how I understand it. 
> 
>     Kevin E. Ramsey


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