My experience with bilge blowers are that they generate lots of nasty RF
noise. An AC powered job with sleeve bearings will be a lot
quieter....electrically and acoustically.
Bob K4TAX
RB wrote:
>
> Put a boat bilge blower on it from outside the house, and run light weight
> dryer ducting hose to the blower from the final. There are through-the-wall
> fittings for this purpose. That way, most of the noise will be outside the
> shack. Put the bilge blower and a small 12v pwr supply in a plastic box and
> away you go. The 110 for the blower pwr supply can be run through the duct
> hose.
>
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