Four Seasons Windpower
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Four Seasons Windpower - Noise Data For Vertical Axis Wind Turbine At 10 Foot Distance

This table explains the meaning of Decibel (db) levels in the charts below 20-45 db - Very Quiet 25 db - Recording Studio 30 db - Very Quiet, Library Whisper
50-60 db - Quiet 40 db - Very Quiet, Mosquito Buzz 60 db - Normal Conversation

Model Wind Speed
Less Than
7 Meters / Second		 7 To 10 Meters/Second 10 To 13 Meters/Second
Noise Data At A 10 Foot Distance From Turbine When Compared To Wind Speed
Gyro 200 Watt Less Than 27 db Less Than 32 db Less Than 37 db
Gyro 300 Watttts Less Than 27 db Less Than 32 db Less Than 37 db
Gyro 500 Watt Less Than 27 db Less Than 32 db Less Than 37 db
Gyro 1 Kilowatt Less Than 27 db Less Than 32 db Less Than 37 db
Gyro 3 Kilowatt Less Than 27 db Less Than 32 db Less Than 37 db
Gyro 5 Kilowatt Less Than 27 db Less Than 32 db Less Than 37 db
Gyro 10 Kilowatt Less Than 27 db Less Than 32 db Less Than 37 db

 

Four Seasons Windpower - Noise Data For Vertical Axis Wind Turbine At 17 Foot Distance

Model Wind Speed
Less Than
7 Meters / Second		 7 To 10 Meters/Second 10 To 13 Meters/Second
Noise Data At A 17 Foot Distance From Turbine When Compared To Wind Speed
Gyro 200 Watt Less Than 25 db Less Than 30 db Less Than 35 db
Gyro 300 Watttts Less Than 25 db Less Than 30 db Less Than 35 db
Gyro 500 Watt Less Than 25 db Less Than 30 db Less Than 35 db
Gyro 1 Kilowatt Less Than 25 db Less Than 30 db Less Than 35 db
Gyro 3 Kilowatt Less Than 25 db Less Than 30 db Less Than 35 db
Gyro 5 Kilowatt Less Than 25 db Less Than 30 db Less Than 35 db
Gyro 10 Kilowatt Less Than 25 db Less Than 30 db Less Than 35 db