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Developed helicopter rotor that lasted twice as long, reduced noise by 40%, and enhanced high altitude performance

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Founded by former Ames Research Center engineer Jim Van Horn, Van Horn Aviation of Tempe, Arizona, built upon a Langley Research Center airfoil design to create a high performance aftermarket tail rotor for the popular Bell 206 helicopter. The highly durable rotor has a lifetime twice that of the original equipment manufacturer blade, reduces noise by 40 percent, and displays enhanced performance at high altitudes. These improvements benefit helicopter performance for law enforcement, military training, wildfire and pipeline patrols, and emergency medical services.

Source: http://spinoff.nasa.gov/spinoff/spinitem?title=Tail+Rotor+Airfoils+Stabilize+Helicopters%2C+Reduce+Noise

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