Some people don't understand that m/s is not miles per hour. A wind speed of 10 mph is 4.5 m/s (meters per second). This should be the average wind speed over a few minutes, no gust. Anyone who has wasted a few hundred euros because they don't have enough wind should probably stop giving bad reviews. The performance corresponds to the full performance. I don't know how to rate "clarity" and "thickness" as suggested by Revain in the review, so I gave this one 3 stars. I know this thing spins and generates voltage because it has magnets across the coils. Please inquire about wind and generators and DC voltage when purchasing a wind turbine. This is just a small project of mine not used to power an off grid home. But I work on big 4 megawatt turbines and make a living, and I really enjoyed some of the reviews.
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