Manual heliostat

The first steps towards the manual heliostat. A couple of square meters for test purposes must be doable by hand. East west the mirrors can simple pivot around their base and up and down is accomplished by a screw-thread.

The back reflector
backside manual heliostats
backside manual heliostats
Little 30 x 30 cm tile mirrors
near the focus

With 6 mirrors the open test cell reached already 80 degrees Celsius. With the back reflector the temperature went over the 100 degrees Celsius.

About Egidius Kuhlmann

Reading about peak-oil, overpopulation, “Terra Preta” and biochar in 2009 and after making batches biochar for soil improvement from garden residue, I thought, why not make biochar from corpses. Deeply worried about the unsustainable path 'we' as humanity have taken, I see a future where fossil fuels are scarce, the western economic growth model in tatters, the global temperature rises due to the CO2 concentration in the atmosphere with an growing population reaching billions more humans than is sustainable? Thinking along those paths, the question “how can we dispose so efficiently and with the least amount of energy of human remains” became the starting point.
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