098037A - SAND2009-8037 Unlimited Release Printed January...

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S WEEP -T WIST A DAPTIVE R OTOR B LADE : F INAL P ROJECT R EPORT Knight & Carver Wind Group 2423 Hoover Avenue National City, CA 91950 Sandia Technical Manager: Tom Ashwill ABSTRACT Knight & Carver was contracted by Sandia National Laboratories to develop a Sweep Twist Adaptive Rotor (STAR) blade that reduced operating loads, thereby allowing a larger, more productive rotor. The blade design used outer blade sweep to create twist coupling without angled fiber. Knight & Carver successfully designed, fabricated, tested and evaluated STAR prototype blades. Through laboratory and field tests, Knight & Carver showed the STAR blade met
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