Hydrocaps for IBE cells [RE-wrenches]

[Matt Tritt]

Kurt,

Water Miser caps. They already do this for 1/2 the price of Hydro Caps.

Matt T

-----Original Message-----
From: Kurt Albershardt [mailto:info at es-ee.com] 
Sent: Monday, February 23, 2004 9:22 AM
To: RE-wrenches at topica.com
Subject: Re: Hydrocaps for IBE cells [RE-wrenches]


Does it have to be carbon block, or would GAC work?  I wonder if we
could design a refillable cap with similar properties?




--On Monday, February 23, 2004 10:57 AM -0500 "Tom Lane, Energy
Conservation Services" <tom at ecs-solar.com> wrote:

> What is a HydroCap?? All it is - is 2 pieces of carbon with a platinum

> screen glued between the 2 pieces of carbon or sandwiched between the 
> carbon blocks is the platinum screen.  Anybody who barbeques with 
> charcoal briquettes can easily understand what happens to the carbon 
> block over time or during an intensive equalization from an inverter.

> You can turn a carbon block to charcoal dust in a HydroCap easily with

> an equalization charge. Over time it will turn to charcoal dust 
> anyway.  Break one open and you will see what I am talking about- this

> is no mystery as to what is in a HydroCap.
>
> Gator Tom
>
> ----- Original Message -----
> From: "Matt Tritt" <solarone at charter.net>
> To: <RE-wrenches at topica.com>
> Sent: Saturday, February 21, 2004 12:46 PM
> Subject: RE: Hydrocaps for IBE cells [RE-wrenches]
>
>
>> Dana,
>>
>> You might experiment with a small batch of Water Misers and see how 
>> they perform, but it seems to me that the best solution is with a 
>> good re-watering system. There's been plenty said about the problems 
>> associated with auto waterers on this list but, regardless of 
>> whatever they may be, at least they don't care about voltage levels, 
>> temperatures and they don't melt!
>>
>> Matt T
>>
>> -----Original Message-----
>> From: Dana Orzel [mailto:dana at solarwork.com]
>> Sent: Saturday, February 21, 2004 6:50 AM
>> To: RE-wrenches at topica.com
>> Subject: Hydrocaps for IBE cells [RE-wrenches]
>>
>>
>> My .02 -  I quit selling "Hydro caps" years ago after getting in a 
>> conversation with the manufacturer [I think from Florida?] where he 
>> was telling me that 28.8 volts and higher [29.4VDC for unheated 
>> battery packs in winter] voltages were outside the design of their 
>> product and of course they would fail and melt. We were to be 
>> "charging to 26.8 to 27.2 VDC and holding at these float voltages 
>> till the battery was full." We went round and round and I gave up 
>> trying to convince him that we needed to get to higher voltages. I 
>> regularly run into melted down sets have removed so many sets of 
>> melted Hydrocaps since that conversation that I have not purchased or

>> specified them in years. Great idea but longevity & quality seems to 
>> be poor.
>>
>> Are there long life-high quality rewatering caps that are approved 
>> for higher voltages these days? Will they handle 31VDC for an 
>> equalizations? Or do they need to be removed? [messy and a problem 
>> with auto-equalizations functions]
>>
>> Dana Orzel
>>
>>
>> Responsible Technologies for Responsible People.
>> Great Solar Works, Inc.
>> dana at solarwork.com - 970.626.5253
>> Ridgway, CO, USA
>>
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