Home Companies technology service Media Jobs Contact German English Rotor blade SI 50.3 successfully in use Rotor Blade SI 50.3 at WWD-3, Sweden, Vaenern The rotor blade SI 50.3 was developed for wind turbines with an output of 2.5 MW. Another milestone was reached with a rotor blade length of 50.3 m or a rotor diameter of 103 m. The SI 50.3 rotor blade is today's technologically leading product. The leaf length could be increased, the yield increased and at the same time the loads reduced. This was achieved through the development of new profiles. SINOI now has another highly efficient product that already meets the future challenges of the rapidly growing global wind market. SINOI has established itself as a reliable and independent manufacturer of first-class quality rotor blades. SINOI's claim to the highest quality, reliability and punctuality guarantees the greatest benefit for its customers. to the press release Trade fair dates EWEA 2015 Paris, France November 17-20 , 2015