If you're making holes for cool air to come in the bottom, the 'stack
effect' of the rising hot air should just pull in cooler air to replace it,
making the fan unnecessary.
Unless you want colonies of insects and/or rodents living behind your
fridge, screen the holes well!

On 6/28/06, neil <goofymuso@yahoo.ca> wrote:
>
> --- Roger Sisler <rogersisler2000@YAHOO.COM> wrote:
>
> > Last night,I put some copper flashing material(HD)
> > between the frig box and
> > ammonia tubing.For a heat shield.
>
> I'll be curious to see if that helps your refer.
>
> I'm also curious to see if my idea of ducting fresh
> air from under van up to fins on back of refer, will
> help.
>
> Was thinking of cutting a hole in floor near back of
> refer, (if there's room!) attaching a short length of
> duct with fan at end to move cooler air towards fins.
> I would then exhaust the rising air out the side of
> van.
>
> Would be nice to run a test of some kind. i.e. pipe in
> air from under van via flexible tube to back of refer,
> through access in cupboard, then exhaust the air with
> a fan at side vent (at side below LH stove burner)
> through window to outside.
>
> Have to haul out refer regardless, but am hesitant to
> cut a hole in floor w/o testing.
>
> For that matter maybe I'll measure temp under van
> against interior temp before doing any of this
> madness..... ;)
>
>
>
>
>
>
>
> Neil Nicholson.
> 1981 air cooled Westfalia.
> Cheap-o web site:
>
> http://www.members.shaw.ca/tubanick/welcomewesty.html
>
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--
Jake
1984 Vanagon GL
1986 Westy Weekender "Dixie"
www.crescentbeachguitar.com