Posts Tagged ‘wind turbine blades’

Windmill Blades – Make Them Or Buy Them?

October 20th, 2009

Windmill Blades – Make them or Buy Them?

So you’ve decided to build your own windmill. Possibly you took the right steps and purchased one of the top guides that teach the subject. Or maybe you’re more daring and trying to do it without professionally written instruction. In either case one area where many people get stuck is when it comes time to create their windmill blades.

Really when you get to this step you have two separate options:

1. Build them yourself – Obviously this is the least expensive route
2. Buy Premade Windmill Blades – Costs more but is a lot less work

From that I wanted to take some time to talk about the advantages/disadvantages of going either way. In reality if you put a value to your time, by the time you finish building the wind turbine blades yourself, the cost is close to equal. On the other hand, if you’re cheap like me, it might be that you’d rather do it yourself and save the money. In either case there are advantages to going either way.

Buying Your Windmill Blades

First let’s cover the advantages of buying your blades. In this case they are really quite obvious.

1. The blades are professionally made
2. More varieties of materials you can buy your blades in
3. Less concern about getting the correct shape to catch the wind.

Of course there are also disadvantages to buying windmill blades instead of making them yourself. First, it becomes more difficult to tailor your blades to the generator you selected/created for your DIY windmill. And then, of course, there is the cost involved.
Machined blades can run you as much as $1,000 or more. To offset that cost, you may want to check eBay. Often you can find premade blades there, in diameters of 4’ to 6’, for around $100.
Making Your Own Windmill Blades

While there are advantages to buying your windmill blades, there are also some big advantages to building them yourself.

1. The blades are created with your actual windmill design in mind.
2. You save your money, and your home power system will cost less.
3. You get to choose the style of turbine blade to fit your area. Especially in low wind speed areas, this is important.
4. You get the satisfaction of telling everyone – you did it!

If you do choose to build your own windmill blades, I suggest you take the time to learn as much as you can. That’s why I’m offering a free energy ebook so you can learn all the secrets to getting your home off the grid!

In any case, be sure to take the time to design your blades to fit your application. Taking the time to do so will ensure your wind mill operates trouble-free for years to come!

Learn how to build your own turbines for your home.

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Wind Turbine

July 12th, 2009

What is a wind turbine?

A wind turbine is also referred to as a windmill or wind generator. Though the expressions are used interchangeably, there is a minor difference. The wind turbine is the mechanism that makes use of the wind power to produce mechanical energy. This mechanical power is then used as is or converted into electrical energy. A windmill uses the mechanical energy as is for pumping out water or for grinding purposes while the wind generator is the one that creates electrical energy.

What are the various types of wind turbines?

Wind turbines are classified into two kinds based on their orientation:

Horizontal axis turbines: The blades in these wind turbines turn along a horizontal axis.

Vertical axis turbines: The blades in these turbines turn along a vertical axis.

The horizontal axis wind turbines are more commonly used. They are more efficient that vertical axis turbines.

What are the advantages of installing a wind turbine?

Let’s look at the major advantages of a wind turbine:

Power-saving: Since the wind turbines use a free energy, the wind energy, they prove to be a very cost-effective means for generating electricity, thus helping not only save energy but also generate power for the world.

Cost-effective: The only cost involved in installing a wind turbine is the original cost and the cost of maintenance. The power comes free and here is no other fuel.

Environment-friendly: The wind turbines are environment friendly in a manner that they do emit harmful gases or affect the environment in any way.

Uninterrupted power supply: A wind generator helps you become independent of government s electricity supply. Moreover, you overcome the hurdles of power outages.

What are the factors you ought to contemplate for installing a wind turbine? While installing a wind turbine is exceptionally beneficial for you and for the rest of the planet, you must take care not to put into service the solution in an incorrect way. You should take into consideration the following when installing a wind turbine.

Make sure the following two pre-requisites are met:

The site for installation is at least of one acre area.

The average wind speed is around 11 miles per hour.

Make sure the tower and the base are sturdy. It is crucial to anticipate the turbulence in the wind before you invest in the wind turbine.

Make certain the tower s height and the distance between the wind generator and the cells are optimum.

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