[NUGA] Re: Temperature fan / switch

Hmmm, you know green houses need to have variable fans due to
temperature - you might check into what is available there and hey -
maybe start a new business for computers!

Mike Tibor wrote:

> Generally speaking, for quiet air movement you want large diameter,
> slow moving fans. It's the smaller, high-speed fans that make lots of
> noise. I'd use a 120mm fan for what you want to do. I think a
> temperature switch might be a little tough to do, and you'd have to
> put up with it cycling on and off. One relatively easy thing would be
> to wire in a potentiometer (aka "pot"). Basically a rheostat that you
> can dial up or down the fan speed to your liking. Frigid could
> definitely help you with that. They have different kinds of pots for
> AC vs. DC power, and the voltage range required, but they can help you
> find the right one. You also may need a couple of fans if you find you
> need to drop the fan speed significantly to achive your noise level goal.
>
> Mike
>
>
> On Sat, 4 Apr 2009, Jeff Campbell wrote:
>
>> Set up a new mini-tower in my wife's office, and due to the layout had
>> to put it in an enclosed cabinet. I can punch some holes in the back of
>> the cabinet for ventilation but still concerned about overheating.
>> Would like to find a fairly quiet fan that I can put inside the cabinet
>> to circulate, and would really like to have some sort of thermostatic
>> switch on it so that it only runs when needed.
>>
>> Stopped by Frigid North and they had all kinds of fans, but nothing that
>> could run based on temperature. Anyone have ideas on a way to set this
>> up? If I can't find a fan with its own temperature switch, maybe
>> someone makes a box that I could put inline on the power cord that would
>> do the trick?
>>
>> Appreciate any ideas.
>>
>> Thanks
>> Jeff
>>
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