The tips of the blades on a wind turbine can move at more than 160 miles per hour, making them a major hazard to aircraft in flight. It’s not the height of the turbines that causes the problem, although they tower 110m above the landscape, but the fact that this movement can interfere with radar from local airports – causing blind spots for air traffic controllers trying to land a plane.
This means that the biggest challenge facing the construction of . . .

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