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Kiko Denzer on Art
[Cob] why? cob stoves & light strawCharmaine Taylor tms at northcoast.com
Sun Feb 22 15:33:13 PST 2004
Ok Now I am confused..why does a mass heat oven need light insulation?? I was stuck thinking about addition of the wood ash, which is used for metal and large drum rocket stoves...to keep the heat to the food, not the metal... BUT a cob oven cooks by slow heat radiating to the food inside.... right? so a thin cob wall would not hold heat as long, and I don't see a reason to mess with a basic horno design..did I miss an email somewhere?? Ms. Charmaine Taylor/ Taylor Publishing http://www.dirtcheapbuilder.com http://www.papercrete.com Kyle Towers wrote: > I think the R value of such a > > wall is as complicated to figure as that of a log wall. That is, the > system > > seems to function much better than simply adding the elements would > produce. > > There is no reason to think that there are insulation factors for which > there is no accounting. That is, there are no additional air gaps or such > created when applying the plasters. The synergistic effect you experienced > was most likely the result of the higher thermal mass inside the envelope, > which dampens temperature swings. > > _______________________________________________ > Coblist mailing list > Coblist at deatech.com > http://www.deatech.com/mailman/listinfo/coblist
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