Energy

Energy

Heating, cooling and domestic hot water solutioin

Heating, cooling and domestic hot water solutioin

This article describes the heating, cooling and domestic hot water solution that I plan to implement in my small shelter. It uses solar panels to heat or preheat a closed loop antifreeze system, a wood stove with water jacket for the cold winter days, a thermal bank for heat storage and a ventilation radiator.

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Lead-Acid Batteries – All you need to know

Lead-Acid Batteries – All you need to know

This article covers all you need to know for the lead-acid batteries in the context of solar, wind or off-grid use – from the different types and applications, through the various factors that have effect on battery life and capacity, to the basic maintenance activities that can prolong battery life.

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Wood gas – the fuel that will get you through crisis

Wood gas – the fuel that will get you through crisis

Wood gas (also called producer gas) is an alternative fuel, which can be extracted from any biomass with the help of a device called gasifier or wood gas generator. The wood gas can have multiple applications ranging from cooking food to driving an internal combustion engine and electricity generation. This article will concentrate on the explanation of the processes involved in the generation of the wood gas, as well as on the it’s possible uses, while providing references and information that can be used to build a wood gas generator.

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Measuring wind speed with a DIY anemometer

Measuring wind speed with a DIY anemometer

Many of us have wondered whether it is possible to install a wind turbine at their place and whether there will be enough wind to make it work efficiently. Well, it is not that hard to find that out. This article will guide you through the process of creating a DIY anemometer, which can be assembled from parts that you have laying around.

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  1. zazuge: Nice idea using a small audio-tape motor I was thinking of using a cyclocomputer but that necessate a big diameter…

    • pprepper: On the other hand, the cyclocomputer will be logging the data for you and you might only have to figure…