Wind Energy Research and Development Businesses in New Zealand

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Powerhouse Wind Ltd

The first thing people ask when they see a Thinair turbine is "why does it have only one blade?" The answer to that question is the key to understanding the unique benefits that Thinair's innovative and patented single blade teetering hub design offers. Traditionally, wind turbines are constructed with multiple blades, attached to a fixed hub. The Thinair turbine, by contrast, has a freely teetering hub design that allows the blade's angle to change in response to variations in wind speed. As a result the Thinair makes efficient use of strong and gusty wind; it harnesses gusty wind to generate extra energy. The teetering hub also protects the turbine from damaging stress, allowing the blade to swing into a safe horizontal park position in extreme wind conditions. This approach is also less noisy than the traditional angling of the rotor to the wind method used by most upwind machines.

• Business type: Design and manufacture
• Product types: single balde wind turbines.
• Address: 291 Stuart St, Dunedin, Otago New Zealand
• Telephone: 03 470 1071
• Web Site: http://www.powerhousewind.co.nz
• E-mail: Send Email to Powerhouse Wind Ltd

Onsight Solar Systems

• Business type: wholesale supplier, importer
• Product types: solar water heating systems, wind turbines (small), alternative fuel vehicles, biomass energy boilers, packaged power systems.
• Address: 8 Flora Dora Pde, Lake Hawea, Central Otago New Zealand 9192
• Telephone: 026 101 999

Windflow Technology Ltd

• Business type: manufacturer
• Product types: The Windflow 500 is a 500 kW 33 m two bladed horizontal-axis wind turbine. It is the first wind turbine to combine two new technologies, the patented torque limiting gearbox (TLG) system of power control and the pitch regulated two-bladed teetering rotor. The combination of the TLG system and the two bladed rotor design effect major reductions in fatigue loads. The Windflow 500 design results in weight and cost reductions of between 20-50% compared to currently available commercial windmills of similar power rating. The end result combines cost-effectiveness, simplicity and reliability in a world leading design. .
• Address: 42-44 Mandeville St, Riccarton, Christchurch, New Zealand 8149
• Telephone: 643-365 8960
• FAX: 643-365 1402

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