For those who are interested in drying some of their food, these two manuals might be interesting. They show how to build a solar tunnel dryer that works and explain the principle. This thing - no matter which of the two models - is easy to build and completely independant from any power source other than the sun.
The first of the two manuals was put up by the University of Hohenheim in English, the second one I found in German only. I put it up anyway, because I think has the better pictures and is a little more sophisticated because it protects the food better against insects for example.
http://www.geopathfinder.com/DryerWorkshop5-2011.pdf
http://www.iufost.org/iufostftp/Tunneltrocknerdt1.pdf
We built the one introduced in the second manual about two years ago and it works really nice - especially because the summers are getting warmer and warmer. That it needs the sun to work maybe seen as a con because it limits the drying process to the summer months, but traditionally this is the rhythm of food conservation when it was necessary to have something ready for the winter months.
Have fun building.
Regards,
Marc
The first of the two manuals was put up by the University of Hohenheim in English, the second one I found in German only. I put it up anyway, because I think has the better pictures and is a little more sophisticated because it protects the food better against insects for example.
http://www.geopathfinder.com/DryerWorkshop5-2011.pdf
http://www.iufost.org/iufostftp/Tunneltrocknerdt1.pdf
We built the one introduced in the second manual about two years ago and it works really nice - especially because the summers are getting warmer and warmer. That it needs the sun to work maybe seen as a con because it limits the drying process to the summer months, but traditionally this is the rhythm of food conservation when it was necessary to have something ready for the winter months.
Have fun building.
Regards,
Marc
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