Salvage a 12 volt muffin fan from a defunct computer and put a resistor
in series with it to slow it down. Almost whisper quiet, but it can
substantially increase the air flow over the heatsink and keep it cool.
Cost, almost nothing. But put a shield over it to keep fingers out of
the blades.
73,
Don W3FPR
On 7/22/2014 6:18 PM, Bob N3MNT wrote:
This looks like a a relatively inexpensive solution to the temp controlled
fan idea. They seem to have a reputation for being quiet and reliable.
http://sitesearch.outletpc.com/search?page=1&query=Gelid+FN-TX12-15+Silent+++ON1266+++++++++1+++9.98++Warranty+%3D+30-Day+Warranty+Included+12+TC+120mm+3pin+1500RPM+++++++++++++++++++++++++++%28%2B0.00%29+Temp+Control+Case+Fan&I1.x=55&I1.y=3
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