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[AMPS] hi volume air for finals

To: <amps@contesting.com>
Subject: [AMPS] hi volume air for finals
From: RMcGraw@InfoAve.Net (Bob & Linda McGraw K4TAX)
Date: Mon, 14 May 2001 21:45:09 -0700
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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