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

[David Ilvedson]

I am now expert either, but is it possible the system you are talking about was really old before DC had the baffles?   When were the baffles added by DC?

David Ilvedson, RPT
Pacifica, CA  94044

----- Original message ----------------------------------------
From: "Barbara Richmond" <piano57 at insightbb.com>
To: "College and University Technicians" <caut at ptg.org>
Received: 2/26/2007 8:05:05 PM
Subject: Re: [CAUT] How many DC tanks, (was undercover Heat n Bond)


>Hi Don,

>I am no expert at this.  Where would you place the tanks?  I have the 
>schematic for one tank--where it is pretty much in the middle.  There looks 
>like plenty of room on the straight side and not as much room towards the 
>curved side.  Is there an ideal placement for two tanks?


>Thanks,

>Barbara Richmond, RPT

>----- Original Message ----- 
>From: "Don" <pianotuna at accesscomm.ca>
>To: "College and University Technicians" <caut at ptg.org>
>Sent: Monday, February 26, 2007 3:00 PM
>Subject: Re: [CAUT] How many DC tanks, (was undercover Heat n Bond)


>> 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
>>
>> mailto:pianotuna at yahoo.com http://us.geocities.com/drpt1948/
>>
>> 3004 Grant Rd. REGINA, SK, S4S 5G7
>> 306-539-0716 or 1-888-29t-uner
>>