Saturday, October 25th, 2014   Fieldnotes Blog feed

Solar Panel

September 21, 2011 by Mathew Tasker  

The video below visually explains how to build a solar panel and a solar power system easily and cheaply. This information was produced by Robert Smith What you will need - 36 Solar Cells - 60ft. of Tabbing Wire - 15ft. of Bus Wire - Rosin Flux Pen - Tube/Roll of Solder - Good Soldering Iron - 2×4 Pressure Treated Plywood... 

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Rocket stove

August 29, 2011 by Mathew Tasker  

A rocket stove is an innovative clean and efficient cooking stove using small diameter wood fuel which is burned in simple high-temperature combustion chamber containing an insulated vertical chimney which ensures complete combustion prior to the flames reaching the cooking surface. A rocket stove achieves efficient combustion... 

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Clay Pot Refrigerator

August 28, 2011 by Mathew Tasker  

A clay pot refrigerator consists of one earthenware pot set inside another, with a layer of wet sand in between. As the moisture evaporates, it cools the inner pot, keeping up 12kg of produce fresh for up to three weeks. Please note: The diagrams and technical information presented here is the work of the NGO Practical Action.... 

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