Swept area:
S=πr²
S= 3,14 x 70²= 15'386m²

General Configuration:
Model: wt5500df and wt5500fc
Design Class: I
Design Life: - years
Rotor Diameter 140 m
Tower Types Tubular steel monopole
Hub Height -  100 m
Orientarion: Upwind, 3 blade, Active, electrical

Performance:
Rated Wind Speed - 11,75 m/s
Cut-in Wind Speed - 3,5 m/s
Cut-out Wind Speed - 30 m/s
Extreme Wind Speed - - m/s

Weight:
Rotor (70 m) & Nacelle and
Tower (100 m) 500’000 kg
Foundation  2'125'000 kg
Total: 2'625'000 kg

Material capacity at rated speed
             477 kg/kW

Swept area:
S=2a+b
S=2(4'096)+8'192= 16'384m²

C - Confusor

General Configuration:
Model: NGW – 16'/131
Design Class: I
Design Life: 20 years
Rotor Diameter: Two vertical rotors 263 m
Tower Types: No tower.
Hub Height: Placed 3m above land
Orientarion: Yaw System
No foundation needed

Performance:
Rated Wind Speed - 11,2 m/s
Cut-in Wind Speed - 1 m/s
Cut-out Wind Speed -  71 m/s
Extreme Wind Speed - 71 m/s

Weight:
Structure – 2’625’000  kg
Foundation  0 kg, no foundation needed
Total: 2’625’000 kg

Material capacity at rated speed
            477 kg/kW