Extreme Testing for Rotor Blades (IMAGE) Fraunhofer-Gesellschaft Caption The new facility will enable the institute's engineers to perform load tests on rotor blades measuring up to 90 meters in length. Credit Fraunhofer IWES Usage Restrictions The picture may be used for editorial purposes only. It is protected by copyright. The use is free of charge if the reference is mentioned. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.