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Re: heater fan sucks

To: Healeys list <healeys@autox.team.net>
Subject: Re: heater fan sucks
From: John Miller <healeys@n4vu.com>
Date: Thu, 15 Sep 2005 07:33:03 -0400
Earl Kagna wrote:

>Due respect Rich, the Healey heater blower motor is a permanent magnet 
>motor - doesn't care about polarity.  I have converted at least a half dozen 
>Healeys to NEG ground, including my present two, without interchanging the 
>blower motor wires - they've all continued to move air in the right 
>direction.
>  
>
Earl, there's been a misunderstanding somewhere -- permanent magnet DC
motors do reverse rotation with polarity.  As has been pointed, because
it's a centrifugal blower, it will move air regardless of the direction
of motor rotation, HOWEVER, it will move air ever so much better when
the rotation is in the correct direction.
-- 
John Miller
Hotlanta




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