Where did the RH Go

[Owen J. Greyling RPT]

Don,
Does that mean that if rust is present, that RH levels have at one time or
another exceded 60 %?
I just finished a restringing, repinning on an old Bechstein where every
screw in the action looked like blued steel on the heads, but exhibited lots
of rust on the threads.

----- Original Message -----
From: "Don" <pianotuna@accesscomm.ca>
To: "Pianotech" <pianotech@ptg.org>
Sent: Monday, January 12, 2004 5:35 PM
Subject: Re: Where did the RH Go


> Hi Patrick,
>
> Rust ususally accelerates only above 60% humidity levels, so I think
> Sarah's system is safe--at least in the winter time.
>
> At 05:41 PM 1/12/2004 -0500, you wrote:
> >
> >On Jan 12, 2004, at 4:31 PM, Sarah Fox wrote:
> >
> >>
> >> Incidentally, my humidity is applied evenly to the entirety of *both*
> >> sides
> >> of the soundboard *and* action *and* pinblock.
> >
> >The downside to humidifying both sides via your system is that you may
> >notice the strings are rusting at a less-than-desirable rate.
> >
> >Patrick
>
> Regards,
> Don Rose, B.Mus., A.M.U.S., A.MUS., R.P.T.
>
> mailto:pianotuna@accesscomm.ca
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