The blade, a 32.5-tonne design built around ultra-stiff carbon-fibre reinforced-plastic spar caps for high load-bearing and durability, underwent edgewise and flapwise loading trials equal to 25 years’ offshore on the test rig at Fraunhofer Institute for Wind Energy Systems (IWES).

“Due to the close co-operation between Fraunhofer IWES and Euros' engineering team, the test ran according to the scheduled time frame,” says Euros.

“The