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Vertical windmills aren't such a new idea. In fact, regardless of that we're accustomed to seeing horizontal axis windmills, the first windmills introduced were the vertical ones. The first functional types were invented in the ninth century, but their design has changed very much over time to get a higher effectiveness from them.

Vertical windmills have a lot of benefits. One of them is the low sound that they make. Horizontal windmills normally are very noisy, a fact that is proved by their settlements in non-populated or low populated places with not so many habitats around. Because of their silent function, vertical windmills are most of the times used by humans for their houses, cities or commercial buildings.

Another benefit that vertical windmills have is that they can capture more wind than horizontal windmills. Regardless of the direction from which the wind blows, vertical windmills can catch it and transform it into energy. We can not say the same about the horizontal axis form windmills.

A vertical windmill is less difficult to maintain. It is also secured to do it, too. We owe this to the reality that the position of the generator is at the ground level. As it is in such a convenient place and easy to repair, we save a lot more time and energy when we give it maintenance or when we fix it.

Using the vertical windmills' design also brings benefits for the birds. Birds often fly into the horizontal axis windmill. From this viewpoint the vertical axis form is safer and there're minimum possibilities for birds to fly into its blades.

Vertical windmills can also have an extremely anesthetic look, as they can be adapted to the adjoining area. They do not have a pre-established pattern to pursue when building them. You can find them in a lot of shapes.

The commonest vertical windmills are the Savonius & the Darrieus. The Savonius windmill is mainly used for pumping the water or for grain grinding. If you consider it from above, you notice that its shape is the one of the letter "S". Unlike the Savonius, the Darrieus windmill is used for producing electrical power and not for pumping water. Its blades are in shape of the letter "C", providing it the aspect of an eggbeater.

We are living in a world where the electrical power is not just beginning to become increasingly more expensive, but we're also becoming more conscious that various sources that produce it are affecting the environment. Start thinking at building your own vertical or even horizontal axis windmill so that you can save money and aid save the Earth in the procedure.

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