I think you have way too much time on your hands... a single wet towel
and a fan will work much better for a 5 gallon carboy



Bill Velek wrote:

> I've been kicking an idea around for awhile and did a google-search but
> couldn't find anything directly on point. A recent post about peltier
> devices made me think about this again. What about coupling a peltier
> with a heatpipe?
>
> For those who don't know, a 'heat pipe' is a very simple device with no
> moving parts and requiring no power, but which helps transfer heat from
> one place to another. In its simplest form, it would be a length of
> straight copper pipe sealed at both ends, partially filled with alcohol
> or freon or some other liquid to act as a refrigerant. To cool a
> carboy, it would be inserted into the neck of the carboy and extend from
> the bottom and protrude through the neck for some distance -- perhaps a
> foot (30cm) or a bit more. The liquid refrigerant (alcohol, freon, or
> whatever) pools at the bottom of the pipe, picks up heat from the
> fermenti