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[Amps] Muffin Fan on Swan Mark 1

To: <amps@contesting.com>
Subject: [Amps] Muffin Fan on Swan Mark 1
From: nagato@arnet.com.ar (Guillermo)
Date: Wed, 24 Jul 2002 12:34:14 -0300
        My thought is not scientific also, but I believe the added fan creates
an air depression inside which alleviates internal fan's load, and so
maybe it turns faster. Just a guess.

Best regards
Guillermo - LU8EYW.

Bill Smith escribió:
> 
> Well I reinstalled a muffin fan on the back of the
> Swan Mark 1.  I fused it seperately from the amp so I
> would not blow fuses in the amp.  I checked the air
> flow out of the amp using only the internal fan, then
> hooked up the muffin fan for a comparison.  The
> addition of the muffin fan sucking hot air out of the
> amp does move a lot more air than just the internal
> fan alone.  Maybe the hot air didn't do anything to
> make the fan fail, I'll see with this new one.
> 
> Not scientifc by any means as I didn't use a
> calibrated kleenex to check the air flow differences!!
> 73,
> Bill
> 
> =====
> Bill Smith KO4NR
> 
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