rusted piano strings

[Don]

Hi Gerald,

An instrument unfortunately doesn't need to be below the dew point (though
that may well start rust up quickly). All it takes is 60% RH for it to "get
going". Once rust starts the best one can hope for is to "slow it down".

At 04:06 PM 2/18/2008 -0600, you wrote:
>It's been my experience that the reason that strings form rust is because of 
>condensate that form on them when the atmospheric condition is correct for 
>such an occasion. I think that occurrence is called dew-point. Dose that 
>make sense?
>Gerald McC
Regards,
Don Rose, B.Mus., A.M.U.S., A.MUS., R.P.T.
Non calor sed umor est qui nobis incommodat

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