http://www.greentelecomlive.com/2009/07/05/helix-wind-puts-smart-grid-into-turbine/?utm_source=rss&utm_medium=rss&utm_campaign=helix-wind-puts-smart-grid-into-turbine sustainable telecoms news and analysis Tue, 06 Dec 2011 06:13:38 +0000 hourly 1 http://wordpress.org/?v=3.3.1 http://www.greentelecomlive.com/2009/07/05/helix-wind-puts-smart-grid-into-turbine/comment-page-1/#comment-105 wind turbine Wed, 16 Sep 2009 14:45:46 +0000 http://www.greentelecomlive.com/?p=888#comment-105 Helix vertical wind turbine is really good design in the blade shape. However the cost is much higher than the horizontal wind turbines. If Helix could reduce the cost, it is a good news for the urban wind turbine users. Helix vertical wind turbine is really good design in the blade shape. However the cost is much higher than the horizontal wind turbines. If Helix could reduce the cost, it is a good news for the urban wind turbine users.

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