funneling heat away from the inside of a box

[Judd Pickell]

A quick link to what size of duct it would take to push 1500 cfm:
http://www.connel.com/freeware/airduct.shtml

Just put in 1500 in the cfm and click submit.. Craziness..

Sincerely,
Judd Pickell

On 8/9/06, KE7FEG <eculbert at yahoo.com> wrote:
>
> 1500 cfm thru the case? that is almost 1/2 the volume of air of a small
> swamp cooler. The case is too small and doesn't have that much opening.
> realisticly about 300 or so cfm would be massive air movement thru there.
>
> I have ordered one item from the following site w/satisfaction. I am NOT
> associated with them, just heard of them.
>
>
> http://www.surpluscenter.com/sort.asp?UID=2006080909333005&catname=electric&keyword=EBSA
>
> If the site doesn't 'click', shorten it to the .com and then click
> 'electrical' on the site and click blowers till you get there.
>
> With the small amounts of openings in a case, probably a smaller blower
> would 'build resistance'.
>
> I have a friend that lived under those conditions and never had a problem,
> but then his fastest cpu was an amd2600 system. He experience no heat
> problem. I am reasonably sure the heat problem may turn out to be a ps
> problem when it fails. Or the cpu cooler is marginal. A well designed system
> should survive swamp cooler life. Yes, I know it can get to close to 90 and
> humid, but humid air cools better.
>
> An example that vividly points out humid vs dry was the 62 ford falcon we
> had when we came out here. It never overheated in the south where we lived
> for 9 years and bought it new. Moved here, had to get a bigger radiator to
> prevent over heating in this drier air.
>
> I tend to think either the ps is on the way out or not cooling itself
> enough OR the cpu doesn't have a good quality cooler for it.
>
> IF I was buying for that app of yours, I would get this one, but it IS
> your choice if you choose to buy from this site.
>
> 50 CFM 120VAC DENKI BLOWER<http://www.surpluscenter.com/item.asp?UID=2006080909333005&item=16-1219&catname=electric>
>
> For $11.98
>
> I think, and may be wrong, that if it is fitted to the side panel somehow,
> it will cool that interior better than you think. All the other higher
> volume either don't have a picture to see what it looks like or are 230 vac
> which implies 3 phase not two like home 220 vac is. That IF they are 3
> phase, would not work for you at all! Or cost about $2500 or so to get aps
> or salt river to run a 3 phase line in. Of course you could get an phase
> inverter for $100-200 and get the same thing off of the 2 phase 220 volt
> line.
>
>
>
> *JD Austin <jd at twingeckos.com>* wrote:
>
> You have a few options:
> Go crazy with fans inside the case.
> Use electric chillers (peltiers?)
> Take the cover off and put an external fan on it.
>
> When I lived in the same conditions I did #3 :).
> jd
>
> -----Original Message-----
> From: "Technomage"
> To: plug-discuss at lists.plug.phoenix.az.us
> Sent: 8/9/06 7:54 AM
> Subject: funneling heat away from the inside of a box
>
> ok,
> I am having some serious problems with the heat (I live in a swamp cooled
> house here). my machine got so hot yesterday that both HD's "disappeared"
> from the system and the cpu went bonkers. the only way I have found to
> keep
> the machine cool enough involves the use of a squirrel cage fan (those
> little
> construction units that can be purchased at sams club).
>
> what I need is something a little more permanent that can move about 1500
> cfm
> through the case.
>
> any ideas?
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> *****/////*****/////*****
>
> Ed Culbertson/ke7feg
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>
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