Dear Richard
This is really interesting news. Although the bottle jack is rated at 25 tons, do you know what the actual pressure needed was? Sometimes the pressure the system is operating at is quite a bit less than the rating of the system. This information might help others who want to build something with mechanical compression. Thanks Crispin Hello Nora (and Esvin and Dra. Leticia and Ing Juan Louis, de family Eco Lena here in Guatemala, Kevin Adair of Fuego del Sol in Haiti, Dr. Joyce Lockhard and Bob Peterson of the Beaverton Rotary club, Oregon USA) , Rok Oblak Stove and press designer in Slovenia and Sanu Kaji Shrestha of the Foundation for Sustainable Technologies, in Nepal. The idea of high production manually operated presses is catching on. Here is a new prototype from Hungary. It was developed through Nora Feldmar a Dutch citizen whom we worked with to introduce briquettes about two years ago. She is working with the gypsy community in rural Hungary.
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