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 
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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