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Solar Energy

Table of Contents:

Overview: Solar Energy.

Cooking: An overall survey of solar cookers.

Cooking 2: An overall survey of BOX solar cookers.

Cooking 3: A very simple design.

Hotwater 1: Make it with the sun even in cold climates.

Hotwater 2: Build Your Own Solar Water Heater.

Hotwater 3: Solar Hotwater Heating - A DIY Guide.

Solar Overview

After a nuclear war, solar power for making electricity is probably not going to be an option unless one happens to find some salvagable solar panels. I obtained books on the subject of making "hobbyist" solar panels and they are so terribly inefficient that it is just not a practical way to go at all. Solar panels operate only during daytime, on days that are not cloudy, and in locations near enough to the equator that you don't get low sun angles and long nights. Consequently commercial solar panels presently have a payout of about a hundred years which means, given interest rates, the value of money, the life expectancy of the panels themselves, and human life expectancy - they just are not a practical way to go in most situations. They have application for some small power requirements in very remote locations but that is about it in many parts of the world. In outerspace with 24 hour sunlight they may be the cat's meow - but nothing that we need to concern ourselves about in a nuclear recovery situation.

Still, sunlight is a great power source for stills, solar cookers and as a means of heating water. Those are the applications that are treated here.

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