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echo: rberrypi
to: ROBH
from: AXEL BERGER
date: 2018-03-04 13:00:00
subject: Re: Raspberry pi 3 powers

RobH wrote:
> I already have a pibow ninja case, where the top piece was raised up a
> few millimeters to allow air through, so I'm not sure a heatsink would help.

I'm pretty sure you're wrong there, especuially if your case is already
somewhat open. The biggest barrier (measured in K/W) is usually the
surface between solid and air and that's just where the sink comes in.
In a closed case you have two additional such surfaces between the case
and internal and external air. But then too the heat sink means a lot,
as the surrounding air inside is already hot and you need to get as much
out of the small difference as you can.

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