noise/vibration from Whisper 100
I have a Whisper 100 on a 30' tower that is making noise/vibrates at medium wind speeds. The sound is like a buzzing bee. It can be heard inside the house which is 100+ feet away from the tower. I thought it might be the guy wires but tightening them did not change anything. I can see a slight vibration in the tail but this appears to be at all wind speeds. I did have a hawk kill recently. Could the blades be damaged? Thanks for all your help.
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