[Public-list] Solar Vent
Robert E Johns
rjohns3 at optonline.net
Thu Apr 14 08:14:45 PDT 2005
On Apr 13, 2005, at 10:51 PM, Jim Davis wrote:
> A simple suggestion 3 and 4 inch computer fans are cheap and move a
> lot of air. They also draw very little current and run on 12 volt DC.
> They are also brushless so sparking isn't a factor. On Isa Lei I
> have two that are running 24/7 feeding a pair of cowl vent aft. This
> creates a positive air flow at all times.
Jim,
I don't believe that a dc motor is brushless and if not it can spark.
Bob Johns, Wind Call, #397
1113491685.0
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