Bergey Excel Wind Turbine Vibration Resonance

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Uploaded by on Mar 21, 2011

This new 10 kW Bergey Excel Wind turbine has a resonance issue, notice the tail bouncing up and down. Winds were about 25 - 30 mph.
How long before the wind turbine snaps the yaw shaft or throws a blade? What do you think?

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  • build your own

  • Think ten times before buying. I bought a new Bergey 10KW in the eighties. $20,000 minus tax credits. Produced $60 electricity in two years. Blew $3,600 inverter (warranty covered it). Very loud/obnoxious. Closest neighbors were 500' away and HATED the noise. Was told I had perfect location but when I complained, Mike Bergey said my location was not ideal. There were five Bergey's in my area. There is only one left. Sold mine for $5,000. Talk to others who have owned one! Absolutely a money pit!

  • BCB, there should be very little vibration. I would be surprised that Bergey would find this acceptable.

    Have you contacted them yet?

  • if u think its ok then ur pretty well dont know how to balance

  • It's not right for sure. Not safe for sure, and needs repaired by the manf. Hope they work with ya. I've always heard good things about Bergey.

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