How to make a wind generator from improvised materials

Make a homemade wind generator from available materials. Easily! And for this you don’t have to use expensive carbon fiber blades and a high mast. And we won’t even carry out engineering calculations. We just take it and do it.

Do-it-yourself wind generator from improvised means

And the first surprise that awaits is the news about what excellent windmill blades can be made from a plastic sewer pipe with a diameter of 100 mm. You just need to cut them correctly with a grinder and ordinary metal scissors.

Plastic can be processed well, there are no problems with the manufacture of blades. Just don’t hold the pipe in your hands when working with a cutting wheel. It is better to fix it on a workbench or other suitable surface.

The base for attaching the blades is also cut out of plastic.

If the material is too thin, you can glue several parts together with glue. This will give them rigidity.

The fastening points are marked with a marker, and holes for fastening are drilled.

The blades are mounted. The propeller axis is installed in the center of the propeller.

The entire structure is assembled on a simple wooden stand.

The screw axis passes through two bearings.

The structure is crowned with an old engine from a deteriorated air conditioner. As is known, electric machines have the principle of reversibility. This means that it is quite possible to turn an electric motor into a generator. Which is what was done.

Using a bushing, the propeller axis is fixed to the motor shaft. Everything is ready, you can move on to testing.

It is quite possible to light several LED lamps from a wind generator. They burn and, apparently, do not put a large load on the generator. But the experiment with connecting a household table fan is more revealing. Yes, the connected fan starts to rotate, but at the same time the rotation of the wind generator blades slows down. The effect is interesting. The device's power is low. According to the creator of the gadget, it does not exceed 5 W.

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