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> hey anon, wanna give your opinion?
User avatar #9 - mondominiman
Reply 0 123456789123345869
(10/15/2013) [-]
I thought those things had generators underneath.
User avatar #12 to #9 - stealingbikes
Reply +20 123456789123345869
(10/15/2013) [-]
The generators are in the head, connected to a gear reduction system. The vanes are so huge that if they spin fast enough to directly turn the generator they blow apart like the GIF in post #7. They're supposed to maintain a constant speed that's regulated by a motor changing the angle of the individual blades to compensate for wind speed. This keeps the generator speed constant and reduces wear and tear on it.