A little example: If you are removing the wheel from your car, do you put pressure on the wrench really close to the lug nut in order to turn it, or do you put pressure on the wrench further from the lug nut in order to turn it? Torque = Force X Distance. If that lug nut is stuck you might even put an extension on the lug wrench in order to get more leverage to turn the lug nut.

The same logic applies to turning a generator to make electricity from a wind powered generator. You WANT the most pressure from the wind to be as FAR from the center shaft as possible.

You know this. I should not have to tell you about how a lever works. That picture of a wind turbine shows the blades being wide CLOSE to the hub and really skinny further away from the hub.

I is simply logic. Archimedes, about 287-212 BC is quoted as having said about the use of a lever, “Give me a place to stand on, and I will move the Earth.” And guess what, a blade on a windmill, or on a wind powered generator, or even on a “wind turbine,” is a lever.

A blade that is wide at the furtherest part away from the hub should give better torque and thus more power.

A blade that is wide close to the hub and skinny way out from the hub is exactly backward. That is an idiotic way to design them (unless you don’t want them to work??? If they worked then the need for oil and gas might seriously diminish. Now who would benefit from shoving non-efficient silly three bladed wind turbines down the public’s throat? Hmmm?). Think. Think. Think. Silly of them to ignore simple physics like that. Think.

You have seen “wind turbines.” Something is definitely not right about them.

There is a page at http://www.reasonablepower.com/1/know_the_facts.htm . Go look.

The three bladed wind turbine companies sometimes have said that “downstream turbulence” is important. YOU THINK about this statement. REALLY THINK about it. After the wind goes through the blade area, ALL of the energy that the blades can convert from the wind has been converted, so WHO CARES what turbulence there is? DUHHHHH… The wind that is hitting the blades and passing over the blades and making the blades turn is important. NOT the wind that has already passed the blades. HELLO ? Can you see this? “Downstream turbulence?” Who cares? Downstream turbulence? What are they trying to sell to you? A lie? Really, you think about it. They make the blades EXACTLY BACKWARD with the wide part close to the center shaft where it will produce the LEAST amount of torque to turn the generator, and then they advertise that you need to worry about downstream turbulence. Hello? They are calling you, the general public, an idiot. Hmmmm… Who would benefit from pushing this concept on the general public? The oil companies, the gas companies, the coal companies. Think about it. Those three bladed wind turbines are “not right”.

And another thing, they use three blades. What is the idea of three blades? What about all that other wind that passes between those blades? Did you buy a wind turbine simply for looks? Are you worried about “disturbing the air?” The air shifts and blows and twists as it will and it does not care. Watch your tree limbs on a windy day. Those limbs bend one way, then another way, then some other way. The wind does not care. Why use only three blades? The wind turbine industry has said that the downstream turbulence is important. The wind turbine industry has said that you should not disturb the air. Duhhhhh… What a bunch of illogic. When you buy a wind turbine you want to convert AS MUCH of the wind to electric or mechanical energy AS POSSIBLE. That is WHY you buy a wind turbine. Really, think about it. Tell those silly, illogical, waste of space, three bladed wind turbine salesmen “NO.” Tell them to go fly a kite, and maybe they might get the idea that you are not so stupid. If I thought that you were stupid I would not have told you this. Now, it is time for you to think.

According to a UK home wind turbine study, the turbines are generating only a fraction of the power claimed by manufacturers, and some even consume power!…

Maybe our article on Passive Solar Design will help.

Tim

David
Energybloggers.com