Dampp Chaser and Grand Action

[David Love]

Don:

According to that article, the insulation blanket is 1" thick!!!  That
seems a bit excessive and not terribly practical, or possible.    

David Love
davidlovepianos@earthlink.net


> [Original Message]
> From: Don <pianotuna@accesscomm.ca>
> To: <davidlovepianos@earthlink.net>; Pianotech <pianotech@ptg.org>
> Date: 8/26/2003 12:14:59 AM
> Subject: Re: Dampp Chaser and Grand Action
>
> Hi David,
>
> Yes you can do that--but you will need a second controller for the one
rod.
> Use the lowest possible wattage. 
>
> If you are going dehumidification only and use a bottom cover there may be
> enough warmth to do nice things to the action provided the lid is kept
> fully closed except when the piano is in use, so I would try that first
and
> then "retro fit" the action cavity bar. 
>
> I'd also be tempted to try to protect the pinblock with something like
> "space cloth" which is a multilayer flexible laminate material, if you do
> add on a cavity bar.
>
> http://www.nasatech.com/Briefs/Feb98/KSC11938.html
>
> At 11:01 PM 8/25/2003 -0700, you wrote:
> >What's is the general recommendation for putting a DC on or near the
action
> >brackets on a grand.  This particular piano has recurring problems with
> >seizing jacks and sluggish hammer flanges due to high humidity.  I don't
> >generally prefer putting a heater bar under the pinblock, but I'm tempted
> >in this situation to mount it on or near the action brackets so that it
> >might radiate a bit of heat toward the jacks and hammer flanges.  Any
> >experiences out there.  How low can I go and still get some benefit
without
> >down side potential: 15W, 25W???  The piano will be fitted with a regular
> >DC system (dehumidification only).  Appreciate any comments.  
> >
> >
> >David Love
> >davidlovepianos@earthlink.net
> >
> >
> >
> >_______________________________________________
> >pianotech list info: https://www.moypiano.com/resources/#archives
> >
> >
>
> Regards,
> Don Rose, B.Mus., A.M.U.S., A.MUS., R.P.T.
>
> mailto:pianotuna@accesscomm.ca
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>
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