Peltier devices pull a ton of current to pump that heat from one side to
the other.

--
Mike "Rocket J Squirrel" Elliott
71 Type 2: the Wonderbus
84 Westfalia: Mellow Yellow ("The Electrical Banana")
74 Utility Trailer. Ladybug Trailer, Inc., San Juan Capistrano
KG6RCR

On 6/27/2006 12:52 PM David Beierl wrote:
> At 01:05 PM 6/27/2006 -0500, Aaron Pearson wrote:
>> what if you bought a small 12v refrigerator, cut a hole in the side,
>> and put
>> in a fan in it and used THAT to cool the back of the dometic?
>
> Seriously, there is something that might be attractive to
> somebody:  The commonly available (Peltier-type) electric coolers
> have the same 40F-below-ambient limit as the Dometic's absorption
> cooling unit.  But it should be possible to install one or two of the
> cooling elements into the void space aft of the fridge and arrange a
> cold-air circuit into said fridge that would allow considerably
> greater heat-extraction ability while underway or otherwise provided
> with about five amps/unit of DC.  And unlike the fridge's cooling
> unit, they aren't a delicate gravity feed that loses performance
> while being sloshed around on the road.  I imagine the setup would
> have to be manually corked when not in use unless it were very well
> insulated.  Could be a bit tricky arranging the venting but I bet it
> could be done.
>
>
> --
> David Beierl - Providence RI USA --
> http://pws.prserv.net/synergy/Vanagon/
> '84 Westy "Dutiful Passage," '85 GL "Poor Relation"
>