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Monday, February 6, 2012

SilentEcoWing Makes Dallas Debut

Austria-based Helios Hubschrauber is introducing its SilentEcoWing rotor blade system at Heli-Expo. Marking the culmination of a project that got its start in 1998 and traces back to 1995, the SilentEcoWing underwent wind tunnel tests in 2009 at the Technical University of Munich, which showed that the blade tips lowered noise and increased efficiency over the typical blade.

Modeled after “a bird gliding almost soundlessly,” SilentEcoWing involves a “simple and economic implementation of the blade tip” that splits up the airflow, explains Walter Enthammer, general manager of Helios Hubschrauber. “The vortexes diminish and the drag decreases considerably.”
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