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  • From: Tvoivozhd <tvoivozd AT infionline.net>
  • To: mrkflux AT sezampro.yu, homestead AT lists.ibiblio.org
  • Cc:
  • Subject: Re: [Homestead] Ceramics
  • Date: Thu, 02 Sep 2004 15:54:48 -0700

sasha wrote:

Yeah,but I cant unerstnd french ,what is it about?

Sasha

On Tuesday 31 August 2004 11:55 pm, Tvoivozhd wrote:

Yeah, if you don't have gas or electricity, you can use a solar furnace
to fire your ceramic designs.

http://www.four-solaire.fr/marocains.htm

The text shows little or no detail of the ceramic furnace, other than the insulated lower half and the trransparent solar lid which swings up out of the way so you can put in ceramics and take them out. The picture does not show the solar concentrator which shines through the lid to raise the heat within.

Principle is the same as a funnel-type solar cooker, except that the wide portion of the funnel determines the amount of solar heat the funnel collects. A solar concentrator (fresnel, dish) would vzstly increase the temperature at the lower end---enough to make it suitable for firing ceramics, provided you insulated the oven-end to keep heat from escaping, and metal from melting.

Only the picture is interesting, knowledge of French, or a translator is unnecessary.





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