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 Rotor Speed Control
Above 12m/s (25mph)
Marine Build Quality
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All machines galvanised steel, stainless steel & plastic components
Low Speed Equals Durability
Unique elec generator means low rotor speed
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WT Model
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WT600 (600Watt)
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WT2500 (2.5kW)
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WT6000 (6kW)
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WT15000 (15kW)
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Cut In (metres/sec)
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2.5 (6 mph)
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Cut Out (metres/sec)
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None!
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Survival (metres/sec)
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65 (145 mph)
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Rated (metres/sec)
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12 (26 mph)
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Rotor Type
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Downwind, Self Regulating
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No. of Blades
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3
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Blade Material
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Polypropylene
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Polypropylene
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Wood/Epoxy
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Glass/Epoxy
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Rotor Diameter(m)
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2.55 (8.4 ft.)
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3.5 (11.1 ft.)
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5.5 (18 ft.)
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9 (29.9 ft.)
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Generator Type
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Brushess, Direct Drive, Permanent Magnet
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Battery Charging
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12 / 24 or 48V DC
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24 or 48V DC
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48V DC
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Grid connect with Windy Boy Inverter
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N/A
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230 Vac 50Hz or 240 Vac 60 Hz
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230 Vac 50 Hz or 240 Vac 60 Hz
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230 Vac 50 Hz or 240 Vac 60 Hz
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Direct Heating
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N/A
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120 Vac or 240 Vac
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Rated RPM
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500
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300
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200
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160
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Annual Output (kWh)
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900-2,300
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3,000-7,400
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9,000-19,400
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23,000-48,500
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Head Weight (kg)
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70 (154 lbs.)
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190 (418 lbs.)
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500 (1100 lbs.)
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1100 (2200 lbs.)
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Mast Type
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Tilt-up, tapered, self-supporting, no guy
wires (Taller guyed towers also available upon request)
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Hub Height (m)
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5.5 or 12
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6.5 or 11
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9 or 15
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15
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WT Found (m)
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1 x 1 x 1 or 1.6 x 1.6 x 1
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1.6 x 1.6 x 1.6 or 2.5 x 2.5 x 1
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2.5 x 2.5 x 1 or 3 x 3 x 1.2
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3.7 x 3.7 x 1.2
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Winch Found (m)
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.65 x .65 x .65
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.65 x .65 x .65 or 1 x 1 x 1
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1 x 1 x 1 or 1.5 x 1.5 x 1
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1.5 x 1.5 x 1.2
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Tower Weight (kg)
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120 or 350
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241or 445
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360 or 656
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1200
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Mechanical Brake
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No
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Yes
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Yes
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Yes
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Noise @ 5m/s (dBA)
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35
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40
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45
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48
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Noise @ 20m/s (dBA)
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55
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60
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65
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65
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Rotor Thrust (kN)
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2.5 (450 lbs.)
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5 (1124 lbs.)
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10 (2248 lbs.)
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26 (5845 lbs.)
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Sample of UK Commercial Customers
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British Telecom Scottish, Youth Hostel Association, British Rail, Irish Lighthouse Authority, UK Lighthouse Authority, T-mobile,
Orange
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Notes: 1 meter/second = 2.24 miles per hour = 3.6 kph, 1 kg = 2.20 lbs., 1 meter = 39.37 inches (3.2808 feet), Output range is quoted to cover typical average annual
wind speeds, lighter wind sites with typical 4.5m/s will produce lower end of range, higher wind speed sites (6.5 m/s average) will produce upper end of range, all readings taken with an ATP SL-25 dBA
meter, car passing 20m away @ approx 40mph is 70-80 dBa
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