| By :
Roger Brown
There are basically two kinds of residential wind systems out on the market today. The kind that spins horizontally and the kind that spins vertically. The type that spins horizontally is by far the most efficient. It has been around the longest and there are more in the field in any other type. The vertical type units have been around for a long time as well. However, they have not seen the popularity that the horizontal devices have because they are in a lot of cases at least 50% less efficient. Which one is best of course depends on the job you have intended for it. Both have their advantages and you have to match the device to the task and the wind environment that exists. The only way to really evaluate which one of these devices will fit best in your particular application is to study the application in detail. That requires collecting data. That also requires taking this on like you would any other home project in digging into the details that might drive the applicability of such a device in a particular situation or suggest that it is not a good idea in a particular situation. You can't let the manufacturer's sales literature determine what you get. Every one of these home situations is different and you have to tailor the device you buy to the task. To hear wind turbine manufacturers tell it, everyone needs a wind turbine and they will make a tremendous amount of energy in almost any conditions. The truth is that all of them are limited by physics and aerodynamics. You can't make the device operate a whole lot more efficiently except by analyzing the material that you make the rotor blades out of - lighter and more aerodynamically sound than competitors products are the design distinctions you will mostly see. That means collecting some data and really treating this project seriously like an engineer for a large utility would be charged with doing. There is just no getting around taking some data before you move forward. I know it's a hassle and it will take some time, but you simply have to dig down to this level of detail in order make any sense out of a project like this. You wouldn't buy decking materials and just dive in and start putting it on your house. Nor would you just buy shingles and start nailing them up to reroof your house. Therefore, it is wrong to assume that you can do the same thing with a residential wind turbine project. Keep in mind that this device will be paying for itself over and over again, over the course of time. As a matter of fact, wind turbines start paying for themselves the moment the rotors start turning, so the quicker you can get into action and actually have the device operational, the better. In conclusion, residential wind turbine systems can supply you with a tremendous amount of energy, but in order not know which one will be best for you, you must drill down to the level of detail far beyond that of a normal home do-it-yourself project. To decide which one is best, you have to treat every location around your property that you might locate the turbine like its own project and understand the details of wind and permitting that might restrict or keep you from achieving your goal of electricity production.
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