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Low speed however, VAWT of the new design is a high-power.

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When increasing the force, which opposes the rotary force of the blade by the wind pressure, the turning-over position of the blade moves to the leeside.
The force to act on the blade in this case gets for the rate of the drag to be bigger than the lift.
The number of rotations of the turbine is small, but the rotary force becomes big and the output increases.
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