The other thing I have wondered about was retrofitting some Peltier Effect cooling modules to the fridge.
http://www.mpja.com/prodinfo.asp?number=15513+PM

Todd
'88 westy

 -------------- Original message ----------------------
From: "Mike "Rocket J Squirrel" Elliott" <camping.elliott@GMAIL.COM>
> On 6/28/2007 12:29 PM Todd Last wrote:
>
> > Did you check sealing around the door?
> > I've always felt that the door set-up with the Dometic fridge was a design
> which would allow lots of cooling losses because of bed sealing.
>
> Seal the door with tape for testing.
>
> > Also, did you add a fan inside the fridge to blow air over the heat sink on
> the inside?
>
> The warmer air rises, gets cooled at the heat sink, and falls. With no
> groceries, there is already circulation due to this convection. Moving
> the air more rapidly won't do anything.
>
> > Have you considered adding extra mass on the inside heat sink (maybe adding
> some computer CPU heat sinks)
>
> Interesting idea -- what if the reefer is limited by the meager cooling
> surface? Can't think offhand of an easy test for this, though. If there
> was some way to double the cooling surface, temporarily, a fellow could
> do a before 'n' after.
>
> --
>
> 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