Rust on strings

[Piannaman@aol.com]

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James,

There is seldom need for DC units installed in this region, the SF Bay Area.  
I'm not sure of the relative humidity, but it is very temperate.  Most of the 
old pianos that have spent their lives in this area, if cared for, are in 
good condition.  I so seldom see rust on piano strings, that seeing it on a piano 
this new really surprised me.

The house is a newly remodeled, multi-million dollar home with digitized this 
and that, climate control, yada, yada...which is another reason I was taken 
aback by this.

I made several recommendations based on my observations, but whether or not 
they are necessary depends on a couple of things.  

I'll wait and see if a few more people want to guess at it, then I'll let you 
know what I'm pretty certain is the cause.

Dave

In a message dated 2/13/04 5:49:38 AM Pacific Standard Time, 
jkelly1722@earthlink.net writes:


> A lot will depend on the environment the piano is in and where it came 
> from, how it was stored etc etc. Give me more details- are you in a high humidity 
> location ? have you measured the temp and r/h in and around the piano ? what 
> type of house is it- new old drafty ? 
>  
>  I hope you have looked at the possibility of a full dampp chaser and 
> undercover for this piano ?
>  
>  I am on the coast of SC and see all types of rust issues. New piano rust in 
> no time- I tuned a Pearl River Grand the other day with rust pits on most of 
> the high treble/non damped strings. One
> trichord had crusty rust near the tuning pins on all 3 strings.  Try as I do 
> it is hard to convince people that humidity control systems are needed here. 
> I have a full system in my Wurlitzer
> console and you can not find 1 rust spot in it. We had an incredible humid 
> summer and without a dc it would have been a rust bucket. Over the winter it 
> has called for water about every 2 weeks because the relative humidity is low. 
>  
>   You mentioned you think you know the cause - what do you think it is ? Is 
> the piano near windows or ac/heat vents ?  
> 



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