Rotor
Number of blades: 3
Diameter: 50 ft
Swept area: 1964 ft2
Material: Fibergalss reinforced polyester
Pitch: Fixed
Power regulation: Passive stall
Weight:
Rotor: 2,420 lbs
Nacelle: 7,500 lbs
Tower: 6,700 lbs (80ft)
15,050 lbs (110 ft)
Gearbox
Configuration: 3 stage parallel shaft
Gear Ratio: 1:22.4
Yaw System
Friction bearings on geared slew ring with electric worm gear
drive (control input from nacelle mounted wind vane)
Brake System
Aerodynamic: Centrifugally actuated blade-tip brakes
Mechanical: Fail safe hydraulic disc brake on low speed
shaft
Warranty
1 year parts and labor F.O.B. factory OR
2 years parts and labor with installation and commissioning
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Operating Characteristics(35/65kW)
Cut in windspeed: 9 mph
Cut out windspeed: 60 mph
Tip speed: 72 mph / 98 mph
Hub Height: 80 ft / 110ft / 140 ft
Survival windspeed: 100 mph
Rotor speed: 40 rpm / 55 rpm
Regulation: Stall
Orientation: Upwind
Single Phase: 35kW
Three Phase: 65kW
Nacelle
Welded plate steel bed plate (galvanized) with reinforced
fiberglass hood
Control
• Remote monitoring and control
• Web based diagnostics
• Integrated into wind-diesel systems
Tower
Height: 80 ft / 110 ft / 140 ft
Material: Hot dip galvanized lattice
and tublar
Ladder: Staggered foot pegs for
access to exterior man
baskets
Safety: Safety cable for harness
with fall arresting device
Configuration: 4-legged (80 ft)
3-legged (110 ft)
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