Tricks, tips, tutorials, pictures and words

Quiet wind-turbine

Like other wind turbines, the Swift has blades that turn and power a generator. But rather than the typical three blades, the Swift has five and a ring that goes around them. That "outer diffuser" ring cuts the noise level to 35 decibels and reduces vibration, according to the company.
Quiet wind-turbine comes to U.S. homes | Green Tech - CNET News


wind