Homemade sand battery

[mart85 (Mart Hale)]

Charcoal Making Anecdotes

Before I started making charcoal, I built a solar concentrator from plans (in French) that Lorin Symington supplied, and used it for all sorts of cooking and baking. It was called “Helios” and looked like this: [Helios_Mirror_patterns] The design has evolved, and here is a report from Lorin on using the solar oven to make charcoal from coconuts, and for the processing of cashews.

Link to Hellos Mirrors..