[clug] Submerged PC (White Oil) & TV Capture Cards

[Jeff Stiff]

Yes, the clear mineral oil - according to a link that I can not find at
present, from Whirlpool I think, is what I was after, apparently the petrol
depot sells it.  While it is called White Oil, it is not white, and I assume
it si not the same stuff that you spray on plants.

2010/1/6 Robert <robert at apex.net.au>

> I believe the term "White Oil" is ambiguous. Its used both for the stuff
> you use to spray for aphids which is a mixture of vegetable oil and
> detergent.
> But its also used for "white" mineral oil.
>
> Obviously its the mineral oil thats wanted here. But how easy it is to get
> hold of in Australia, I don't know.
>
>
>
> On 5/01/2010 10:03 PM, Jeff Stiff wrote:
>
>> 2010/1/5 Arjen Lentz<arjen at lentz.com.au>
>>
>>
>>
>>> Hi Jeff
>>>
>>>
>>> ----- "Jeff Stiff"<smee.heee at gmail.com>  wrote:
>>>
>>>
>>>> I am looking at trying my MythTV server submerged in White Oil
>>>>
>>>>
>>> Couple of comments and questions...
>>>
>>>  a) as shown by a url posted in the thread, PC in mineral oil can work
>>> fine.
>>>
>>>  d) I don't understand why you want to use white oil, this may in fact be
>>> dangerous. I'll explain:
>>> White oil is essentially veggie oil + dishwashing liquid. Detergent is
>>> fat
>>> + emulsifier. What does an emulsifier do? It allows fat/oil to mix with
>>> water. And that's my worry. Why the blazes would you want to add
>>> something
>>> into your coolant that allows water to mix in the oil?
>>> Water is something you don't want to have any of. When mixed with pure
>>> oil,
>>> it won't mix, it'll separate with the oil on top and water at the bottom.
>>> Easily managed.
>>>
>>> So, based on that I would suggest going for pure mineral oil like the
>>> other
>>> example did successfully, and not use white oil? And please feel free to
>>> try
>>> and tackle this train of logic, that's what it's there for.
>>>
>>>
>>>
>>>
>>>
>> The reason for the white oil was based on the original url posted.  They
>>
>> used it, and did not have any issues.  I believe from past reading, not a
>> recent refresh, that the others that used the pure mineral oil had it go
>> off
>> after a few months.  This might be wrong, it might have been using "pure"
>> veggie oil.
>>
>> I was under the impression that white oil was essentially pure mineral
>> oil.
>> I agree that I do not want it to help water mix with it, or to have
>> anything
>> added to it.
>>
>> Given the above, what is "Pure" mineral oil, and where can it be sourced
>> from?
>>
>> The fumes/vapour issue is interesting.  Maybe the garage might be the new
>> location for the Myth backend.  I do wonder (more research needed) what
>> temperature the oil would need to get to to start giving off vapour.
>>  While
>> the cpu might still get around the 70c mark, I am hopeful that the amount
>> of
>> oil, about 40 litres, should stay relatively cool.  Also, the tank will be
>> capped, not air tight, but it will have a lid, that what where I was
>> planning on housing the hard drives.
>>
>> I will still go ahead with the experiment, but will revise some features
>> based on advice and concerns raised.  Any more advice appreciated.
>>
>> Cheers,
>> Jeff.
>>
>>
>
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