Regarding evapourative coolers, 8°C is about the maximum available in a dry climate. About 2°C in my local temperate climate and very little if any in a hot humid one I would think. This I learnt from someone in a position to know :-)
Regards Jason On Wed, Dec 25, 2013 at 5:00 PM, Jeff Davis <[email protected]> wrote: > I'm sure this is not the case but a refrigerator can be made from two > clay pots, one smaller than the other, charcoal and a cloth top. The > smaller pot fits inside the larger one with charcoal (or sand) betwixt > them. Add water to the charcoal and cloth plus evaporation. I also doubt > that it would work in the steamy jungles. Just thought I'd toss that out > there. > > http://www.youtube.com/watch?v=ZNKifJHqScc > > > > Marry Christmas, > Jeff > > > > > On 12/24/2013 02:52 PM, Ronal W. Larson wrote: > > * I hope someone on this list has looked at efforts to mimic the Terra > Preta soils. It seems clear they did much more than just put out ash - > which seems to have been what the vast majority of aboriginal slash and > burn cultures did. I favor an argument that the char came from what > happened during and after cooking (If wood is easy to come by, you can make > a lot of char in a 3-stone arrangement**. I have seen one argument for > an approach like HTC.* > > > > _______________________________________________ > Gasification mailing list > > to Send a Message to the list, use the email address > [email protected] > > to UNSUBSCRIBE or Change your List Settings use the web page > > http://lists.bioenergylists.org/mailman/listinfo/gasification_lists.bioenergylists.org > > for more Gasifiers, News and Information see our web site: > http://gasifiers.bioenergylists.org/ > >
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