The power of the wind has been harnessed for centuries to help people get their tasks done easier and quicker.

    This free power has been used to grind grain, pump water, mill lumber and in recent times generate electricity.

    Even though the applications of this alternative energy solution have changed, it has constantly evolved through improvements in the design of these wind turbines and the materials, especially the wind generator blade used to build them.

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  Centuries of blade Improvements ⇒

  Throughout all of their maturity, the biggest improvements were to the wind generator blade assemblies and these changes help to make them the efficient, energy producing solutions they are today.

  These modern wind turbines provide an amazing solution for most homeowners who want to generate their own electricity from the free power the wind provides.

  • The earliest versions of these modern wind turbines were built in Persia and were very crude devices by today’s standards. They were used primarily for milling grain and were built as a vertical axis windmill made from materials found locally.

  • The first wind generator blade was made from a mat of reeds, which were plentiful in the area and easy to work with. Their light weight and durability made them the perfect material for the wind generator blade found on these early windmills.

  • As the technology matured and more regions started using these windmills for power, the wind generator blade designs changed and improved.

  • As more and more ships started using sails made of cloth to help them navigate on their long journeys across the seas, the innovative sail materials and designs started to make their way into wind generator blade construction.

  • The one advantage that cloth had over a more rigid material was that it could catch a smaller breeze that would spin the windmills more often. It was also more durable than earlier materials and lighter as well.

  •   All of these benefits led to cloth becoming the material of choice for wind generator blade construction for the next several centuries.

 •   During this time there were major improvements in the size and pitch of these windmill blades and some designs started taking advantage of lift as well as the drag forces of the wind.

Benefits of modern designs ⇒

  Modern wind generator blade designs owe much of their efficiency to modern aviation.

  When air transport started to blossom throughout the world, many of the design improvements introduced to make propeller blades more efficient were adopted by wind generator blade designers as well.

    All of the lift and drag theories that apply to using a blade to push the wind in a propeller are applicable to a wind generator blade designed to be pushed by the wind.

    So the development of the modern wind generator blade owes much of its success to the maturity of airplane blades over the years.

    The latest challenge for wind generator blade designers is matching the perfect blade to the type of wind turbine being built.

     For example, a large commercial wind turbine blade has different concerns than a blade being designed for a small residential turbine.

  Components of a Wind Generator ⇒

  The larger blades need to have a way to avoid the huge torque stresses from storm winds that could potentially destroy them. They do this by folding back on themselves.

  In contrast, residential wind generator blade design is more focused on gaining higher efficiency in the blades for taking advantage of lower velocity winds.

  One thing is certain, no matter which type of wind turbine you need, the evolution of the wind generator blade is still a very active area of development that will continue to deliver more efficient and durable wind turbine systems for some time to come.

    I hope you've gained some valuable information from this guide about Wind Generators and Generator Blades.

    Plus I highly recommend that you sign up to our free 6 part mini course which is a quick guide to money saving tips and other great DIY projects.
 

 Want to read more about wind generator blades?? Go here!