Blade length 

40.3m     

 Design type class   

TC  IIIA   

 Max. chord length   

3.183 m  

 Pre-bending    

1.67 m 

 Pre-cone angle/can be different 

0°

 Mass without  T-Bolt 

5943 kg 

Mass of  T-bolt    

appr.270 kg

 Radius center of mass 

12.15  m 

 Design  operation life   

20  years 

 1st/2nd flapwise frequency

0.80/2.21Hz

 1st/2nd edgewise frequency 

1.50/4.45Hz

 Operation  temperature range 

-30 ℃~+50℃

 Survive  temperature range  

-45 ℃~+55℃

 Material   

GFRP

 Operation Parameter           

 Rated power 

1500kW 

 Rotor Diameter 

82m 

 Number of blades

3 

 Power control  

Pitchable  

 Speed range 

10-21 rpm

 Rated tip speed

80 m/s 

 Rated rotor speed  

18.5 rpm

 Cut in wind speed (10 minutes mean)    

3 m/s 

 Cut out wind speed (10 minutes mean) 

25 m/s 

 Survive wind speed (3 seconds mean)

60 m/s  

 Optimal tip speed ratio

9.5   

 Performance coefficient at TSR-opt 

0.489   

 Blade Connection           

 Principle 

T-bolt

 Bolt hole circle diameter

1800m

 Number, Size of tension bolts

54xM30 10.9  

 Outer diameter of root

1890mm