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Subject:Re: Ventilation for the Vanagon
From:David Beierl
Date:Tue, 21 Oct 2008 02:38:02 -0400

At 09:51 PM 10/14/2008, Chris S wrote:
>DC motors run frontwards and backwards with a change in polarity.
>Install switches which change polarity of electricity to each motor
>and give yourself several vent options.

So-called brushless DC motors such as those used in box-type
(computer) fans work only in one direction.  If hooked up backwards
they either do nothing or (conceivably) smoke.

--
David Beierl - Providence RI USA -- http://pws.prserv.net/synergy/Vanagon/
'84 Westy "Dutiful Passage," '85 GL "Poor Relation"