On Sat, 18 Jun 2005, Phil Beynon wrote:
It's applicable to some two wire fans as well, one line of cases we used
to
sell when we sold systems had an integral airflow temperature sense, the
fan
sped up if it decided the psu was hotter than it liked, thus increasing
airflow through it.
Tektronik also use this type of fans in some 'scopes, 475, 475A as an
example - (I restore these as a hobby!)
Regards,
Phil
I defer to your apparently superior knowledge and must also admit
that I didn't do the work myself - I only observed - so while our first
approach was to reverse the connector, we may have ended up
actually reversing the fan itself. I know it was one or the other :-)
In any event, we did the work back in March and my RaQ is still
running abundantly cool (26°c at the moment).
--
David Black
Oklahoma City, OK USA
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