BOH Shadow Flicker Meeting 6 PM -3/11...

BOH Shadow Flicker Meeting 6 PM -3/11/2013

Posted in the Plymouth Forum

Jack Kelly

Jamestown, RI

#1 Mar 11, 2013
Shadow Flicker and Noise -Commercial Wind Turbines

The Town of Milton ,Massachusetts shut down a commercial wind turbine seven months of the year over shadow flicker. The turbine can't run seven months of the year because it will interfere with the golf game at a local course. The wind turbine can only operate at night.

Shadow flicker is the strobe effect of the sun shinning between the wind turbine blades at sunset and sunrise hours.

Developers should not build wind turbines too close to residential homes and action should be taken where flicker is caused.

The Town of Falmouth ,Massachusetts residents complain of devastating health consequences from the noise since 2010.

In Fairhaven, Massachusetts noise testing has been going on for months. The State of Massachusetts DEP, admitting some of the noise testing was flawed.

Action needs to be taken. The local town boards point at the state while the state drags health studies on for years .The state has renewable energy goal of 2000 megawatts of renewable energy by 2020. That goal looks to be met on the health of the people who live around these industrial turbines.

Jack Kelly

Jamestown, RI

#2 Mar 11, 2013
The state Wind Turbine Health Impact study reports (page ES-5) that the typical wind turbine generates 103 decibels, enough to cause harm. However the noise dissipates quickly with distance and at 400 meters (1,300 feet) the noise should drop to a safe level of 40 decibels. Many abutters live closer than 1,300 feet. The fact that the wind turbine noise level is 50 decibels shows that the noise generation is much greater than typical, giving credence to the many resident complaints.

The independence was left running throughout the resent ice storm. The tip of the blades are traveling close to 200 mph, and large ice chunks can be thrown thousands of feet creating a dangerous situation on route 3 and elsewhere. An out of balance sensors on the turbine will automatically turn it off when the rotor blades begin to vibrate. Unfortunately, the rotor becomes unbalanced after one of the blades sheds the ice, too late to prevent ice throw.

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