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 blades	3
Power control	Pitchable & Variable-speed
Speed range	5.5-10.5rpm
Rated tip speed	88.7m/s
Rated rotor speed	9.8rpm
Optimal tip speed ratio	11.5
Performance coefficient at TSR-opt	0.477
Blade Connection
Principle	Insert
Bolt hole circle diameter	2800mm
Number, Size of tension bolts	112xM36X4.0 10.9
Outer diameter of root	2900mm

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