Altern. energy

When creating this solar panel, the author set the task to make a lightweight, portable model, but at the same time quite powerful, preferably about 100 watts. That should be enough to nourish

The main part of the wind generator is a screw, which converts wind energy into mechanical work. So the better the screw, the more and more stable the wind generator will be able to produce

Before creation, the author read a lot about the use of renewable alternative energy, and most of all he was attracted by the use of solar energy with the help of solar panels, since the way

In this article, you will learn how you can heat your home with a pile of compost, the so-called de Payne Barrow. This design was invented by the French farmer Jean Payne in 1970. Heat generated

This article is based on the ideas of the last century, the author tried to repeat it using neodymium magnets. The point is that you do not need one powerful generator of electricity and, accordingly, the same drive

If near the house there is a pond with a dam or stream, you can make an excellent source of free additional energy. The article will consider an example of how you can do it yourself

Once again, author Mikhail from Essentuki decided to share his homemade product. The article will consider an example of how to make a simple wind generator with your own hands at minimal cost. All

Such a device will be a godsend for owners of cottages and private homes that are not connected to the gas. The main advantage of this method of heating a room over others is that heat pumps

Greetings to all in this thread! I soldered to myself just such a panel of fragments of elements 156x156 mm (left from the assembly of a large panel). I cut the elements on such a homemade machine: Made on

The main task that the author of this homemade set himself was to make a solar collector with minimal costs. According to him, about 2,000 rubles were spent on the assembly of this device.

Screw wind turbine with PVC blades. The author tried to give the turbine a Savonius profile by bending the blades on the mandrel using a building hair dryer. PVC blades The creation began with an idea

This homemade product on how to build a solar water heater. It is more correct to call it a parabolic solar concentrator. Its main advantage is that the mirror reflects 90% of solar energy,

People have long learned how to use wind energy in windmills. Now wind energy is used to generate electricity. Any person who is well versed in mechanics and

Prior to this windmill, a horizontal wind generator was made from a bicycle motor-wheel. The wind generator promised to be good, and even in a small wind the voltage rose to 20 volts, but when it