Blade Rotor
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 JR Rotor Blade Carry Bag JRP989032  US $94.97
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 Complete Aluminum Main Rotor Head Set BLADE CP CP PRO US $89.99
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 E Flite EFLH1176 Alum Main Rotor Head Blade CP Pro 2 US $89.99
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 E Flite EFLH1176 Alum Main Rotor Head Blade CP CP Pro US $76.79
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 Align T Rex 700 690D Carbon Fiber Main Rotor Blades HN7113 US $75.99
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 Align 500 Four Blade Main Rotor Head Set AGNH50145 US $75.07
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 600mm real Carbon Fiber Main Rotor Blade for trex 600 helicopter US $44.68
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 MAIN ROTOR BLADES ALOUETTE 2 KAVAN 2220 US $44.16
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 550mm Carbon Fiber Main Rotor Blade 550 550E US $43.98
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Different Wind Turbine Blade Designs
Wind turbines are one of the oldes known devices used for generating power. Although the basic idea behind wind generators has lasted, wind turbine blades in particular have seen drastic changes over time, from the easily broken windmill blades of yore to the high-tech blades of today. Today, it’s possible to generate much more power from much less wind than ever before, which is largely due to these advancements.
Mats made out of reeds were used as the blades for the first wind turbines. Their main drawback was a lack of durability. They’d have to be replaced often, especially when they were exposed to high winds.
The next step in the development of wind turbine blades was the cloth sail. This kind of blade was used in combination with a vertical axis design to create some of the early windmills, which used wind power in order to perform grain processing functions.
The next phase in the development of wind turbines came with the introduction of wood blades and horizontal axis blade configurations. These blades were directly inspired by airplane blades. Although much lighter, wooden blades were nevertheless able to provide much more power than earlier turbine blades.
These advancements made it possible to generate electricity with wind turbines. Larger wind turbines were soon created to take advantage of these improvements, generating power in commercial settings.
In order to meet a greater variety of specifications, the differences between horizontal axis turbine blade designs and vertical axis ones started to become even sharper. The following horizontal axis blades would differ in terms of shape and pitch, materials, and the number of blades used per rotor.
3-blade designs have become the standard for horizontal axis wind turbines, as they usually provide a good balance of stability and rotor speed. Modern turbines make use of composite blades, which are both lightweight and strong. Unlike previous turbines, these new turbines can both spin at higher speeds and capture winds of lower velocity.
For vertical axis wind turbines as well, there are many new designs available currently, appropriate for a wide variety of purposes. These types of wind turbines usually take advantage of either wind drag or wind lift in ingenious ways in order to produce significant amounts of rotation.
The most popular advantage of vertical axis wind turbine designs is their capacity to provide power no matter what direction the wind is blowing. Horizontal axis turbines usually aren’t able to provide quite the same consistency of production. Their ability to generate power even without the need for a tower makes vertical axis turbines especially appropriate for use in residential settings.
For info about the advantages and disadvantages of wind power, go to Advantages and Disadvantages of Wind Power.
For the best guide to building your own wind turbines, visit Best DIY Solar and Wind Guides.
Here's another guide to building your own wind turbine Homemade Wind Turbine.
Rotor Blade in flight
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