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Vestas, has successfully tested a full-scale “stealth” rotor on a turbine, paving the way for wind power plants to be located near many military, airport and other radar systems without interfering in their operations.

The stealth turbine test, which was conducted at a UK customer site with technology partner QinetiQ, is part of an ongoing research collaboration that began in 2006.  Preliminary test results, announced showed that a Vestas V90 turbine with stealth rotor achieved a targeted reduction in radar cross-section of approximately 99 per cent, or 20 decibels, compared with standard turbines. The stealth turbine solution uses a portfolio of radar absorbing materials that are integrated into the current manufacturing processes for turbine components and can be designed to operate at aviation and maritime frequencies.  These modifications do not affect the performance or appearance of the turbines, which meet current visual standards.
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