[ale] fried innards -- final report

[Alex Carver]

I neglected the control data.  With the rack in the room and no exhaust, 
the room warmed up about 10 degrees. :)

On 8/8/2013 18:05, Alex Carver wrote:
> I'd rather have the cold air blowing on me instead of the machines. :)
>
> But the exhaust system worked pretty well during a limited test.  I have
> four 220R's in a rack.  In one apartment I was in, the rack was in a
> small bedroom.  The top of the rack had a fan bank.  That was covered
> with a box and a 4-inch duct sent out the window to a booster fan
> outside.  The room didn't warm up much more than it already was (maybe
> an extra degree or two) and the extra power consumed was about 5 watts
> (for the booster fan).  The rack eventually moved into a garage where I
> didn't have to worry about heat but I had been building up the hardware
> for the rest of the machines to exhaust all of them to the outside (or
> attic).
>
> On 8/8/2013 15:23, Jim Kinney wrote:
>> AH! You need to rethink the "fan as case" model and go straight to the
>> "AC
>> duct as case" model.
>>
>> Take a 15k BTU window unit. Add some sheet metal to the cold air
>> output to
>> run it right over all the cpus you have. Add a second bit of sheet
>> metal to
>> join the big front AC return to the hot side of the PC/ductwork monolith.
>>
>> With some decent measuring and placement of ribs, you can mount 8-12
>> motherboards in a decent size chunk of rigid duct. Add some cutout to
>> place
>> the back panel shield and some fancy power supply work and you've got
>> your
>> own cluster!
>>
>> Then the spouse finds out what's making all the noise...
>>
>>
>> On Thu, Aug 8, 2013 at 4:51 PM, Alex Carver
>> <agcarver+ale at acarver.net>wrote:
>>
>>> On 8/8/2013 13:37, Jim Kinney wrote:
>>>
>>>> computer cases are made of fans and cable ties :-)
>>>>
>>>
>>> Ohhhhh!  Then I have tons of those. :)
>>>
>>> I gave up on cases once I decided I'd be using 100-200mm fans for
>>> cooling
>>> to keep noise under control.  :)  Next step is a central exhaust
>>> system for
>>> the heat.  I'm close, already have all the fans and ductwork, just
>>> need to
>>> piece it together.
>>>
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>>
>>
>>
>>
>>
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