[CAUT] How many DC tanks, (was undercover Heat n Bond)

[Don]

Hi Barbara,

I'd usually try one bucket with bottom cover and Edward's string cover--but
the client already has the the two bucket system--so it may as well be
used. A tiny bit more work--but the humidity output will be doubled--and
the cycling speed will be faster--which should lead directly to smaller
pitch changes.

Bottom line two buckets work better than one *if* there is room to install
them.

The current install is obviously not working if you had a significant pitch
correction needed.

At 07:17 PM 2/26/2007 -0600, you wrote:
>Hi Mark,
>
>Thanks for your responses about the Heat n Bond.  I received the information 
>you sent to Roger Wheelock and am ready to charge ahead.
>
>I'd like your opinion (or anybody else's).  Here in Central Illinois we go 
>through some pretty large humidity swings.  I serviced, for the first time, 
>a Steinway B, in an majestic, though old, brick country house (high, high 
>ceilings, hot water heat), where they do not normally use air conditioning 
>in the summer.  This piano has a DC system, installed by a guy who generally 
>makes "big deal" out of a lot of stuff.  Anyway, it's a two humidifier 
>system, under the beams; he attached plywood the same rectangular shape of 
>the baffles to the beams.  Then the tanks hang pretty far below the plywood, 
>the baffles hang between the tanks and the plywood.  Darn, why didn't I have 
>my camera with me.  It looks genuinely hideous and I still had to do a 
>significant pitch raise, so I'm not sure how much this installation is 
>really helping.  Then there is an issue with the keys in the summer.  I 
>would like to do an in-between the beams installation with undercover, and 
>an added heater bar under the keybed.  I'm also recommending an Edwards 
>string cover.  I think that the high humidity in the summer is the bigger 
>problem.  OK, so here's the question.  If I switched to a one tank system 
>and used an undercover, do you think it would do the job?  My not very good 
>hygrometer said that the humidity level was at 28% when I was there last 
>week, so it doesn't appear to be one of those horrifically dry environments 
>(for winter).   Would you automatically put a two tank system in a B or 
>would you only put two tanks in when dryness was extreme?
>
>Thanks,
>
>Barbara Richmond,
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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