| 摘要 |
A vertical axis wind machine having a mechanism of apertures and flaps to reduce return blade wind drag. The aperture and flap vertical axis wind machine has improved rotational speed and torque in relation to existing vertical axis wind machines. The aperture and flap vertical axis wind machine is also quieter, has fewer moving parts, requires no feathering controls to operate in high wind speeds, and can be operated independent of wind direction.
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