On 31/01/17 03:52, rickman wrote:
> On 1/28/2017 3:53 AM, Jamie Kahn Genet wrote:
>> So far the best I've personally tried is the Solarbotics Pi S.A.F.E. V3
>> .
>>
>> But it's still not perfect, with rather small gaps for fan airflow, and
>> the included screws are a very tight fit. But I like it well enough, and
>> it looks good sitting next to my TV and the like.
>>
>> Still, I wonder if there's not a better choice that is both reasonably
>> priced, and fully encloses the Pi.
>>
>> Anyone?
>>
>> BTW - I need active cooling because I run BOINC 25/7 when I'm not
>> otherwise using my Pis. I hate to waste CPU time :-)
>>
>> And I need to use a 40mm+ fan, because I've yet to find a quiet smaller
>> fan. I wish I could find a quiet 30mm fan, as cases with 30mm fan
>> mountings seem to be incredibly common, vs larger mounting sizes.
>
> From the examples I have read you only need a modest heat sink on the
> CPU to improve the cooling enough to work at full speed.  The throttling
> that happens only seems to be a 20% reduction in clock speed so it is
> not overheating terribly.  Dig around on the Internet a bit.  I found
> lots of good pages on the work others have done and it doesn't seem to
> be that much of a problem to deal with.
>
in general a modest heatsink in free air will about double power
handling: shove a fan on as well and its up to ten times.

The worst case is a sealed box. No amount of heatsinking is going to
help there.



--
“But what a weak barrier is truth when it stands in the way of an
hypothesis!”

Mary Wollstonecraft

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