2. long8

      AL84.5A

      AL84.5A

      Technical data                 
      Blade length 84.5m
      Design type class   IEC S
      Max. chord length   4.6m
      Pre-bending    5.8m
      Pre-cone angle/can be different 0°
      Mass without  T-Bolt 19.3t
      Mass of  T-bolt     502kg
      Design  operation life    20years
      Material   E/H-glass  reinforced Epoxy
      Operation Parameter            
      Rated power 5.x MW
      Rotor Diameter 171m
      Number of blades3
      Power control  Pitchable &  Variable-speed
      Speed range 5.5-10.5rpm
      Rated tip speed88.7m/s
      Rated rotor speed  9.8rpm
      Optimal tip speed ratio11.5
      Performance coefficient at TSR-opt 0.477
      Blade Connection            
       Principle Insert
      Bolt hole circle diameter2800mm
       Number, Size of tension bolts112xM36X4.0 10.9
      Outer diameter of root2900mm



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