Aeolon - Model AL94D1 -Wind Turbine Blade

The AL94D1 is a wind turbine blade designed for high-performance and long-lasting operation. With a blade length of 94 meters, it falls under the IEC S design type class. The blade features a maximum chord length of 4.8 meters and a notable pre-bending of 6.5 meters. Its mass, excluding the T-Bolt, is 25.133 tons with an additional T-Bolt mass of 442 kg. Designed for an operational lifespan of 20 years, the blade is constructed from E/H-glass reinforced epoxy. It's engineered for turbines with a rated power of over 6 MW, featuring a rotor diameter of 193 meters and three blades. The blade supports pitchable and variable-speed power control with a speed range of 5-10 rpm and a rated tip speed of 91.14 m/s. Its optimal tip speed ratio is 11.6 with a performance coefficient at TSR-opt of 0.479. The blade connection utilizes a T-Bolt principle with 96 M45x4.0 10.9 tension bolts, a bolt hole circle diameter of 3200 mm, and an outer root diameter of 3340 mm.