Windspire

From SustainableX.com

1.2kW vertical axis wind turbine Manufactured by Mariah Power

The Windspire is a low cost, attractive, plug-n-produce wind power appliance that provides a safe and attractive method for harnessing power from the wind. At only 30 feet tall and 2 feet in radius, Windspire is distinguished by its sleek propeller-free design, ultra quiet operation, rugged construction, and affordable pricing. Designed for operation where we live and work, it sells for US$4,995 and comes complete with a high efficiency generator, integrated inverter, hinged monopole, and wireless performance monitor.

[edit] Windspire Specifications

General

Annual Energy Production (AEP) 2000 kWh*

Instantaneous Power Rating (IPR) 1.2 kW (1200 watts)*

Standard Unit Height 30 ft | 9.1 m

Total Weight 600 lb | 273 kg

Color Soft Silver

Sound 20 decibels @ 40 ft | 12 m

Warranty 5 year limited warranty

Rotor

Rotor Type Vertical Axis - Low Speed Giromill

Rotor Height; Radius 20 ft | 6.1 m; 2 ft radius | 0.6 m

Swept Area 80 sq ft | 7.43 sq m

Max Rotor Speed 500 RPM*

Peak Tip Speed Ratio 2.8

Speed Control Dual Redundant: passive aerodynamic; electronic

Wind Tracking Instantaneous

Electronics

Generator High Efficiency Brushless Permanent Magnet

Inverter Custom Integrated Grid Tie 120 VAC 60 Hz

Inverter Certification ETL: Meets IEEE 1547.1; UL 1741

Performance Monitor Integrated Wireless Zigbee Modem

Wind Ratings

Cut-in Wind Speed 9 mph | 4 m/s

AEP Average Wind Speed 12 mph | 5.4 m/s

IPR Rated Wind Speed 25 mph |11.2 m/s

Survival Wind Speed 100 mph | 45 m/s

Construction

Foundation Poured Concrete

Foundation Size 2 ft diameter by 6 ft base*

Rotor Material Aircraft Grade Extruded Aluminum

Monopole/Structure Material Recycled High Grade Steel

Coatings Corrosion-resistant industrial grade paint

[edit] Images