If this works as advertised, I think it’ll be fantastic. Although the picture here is small, you can get a good idea of the design of this roof-mounted windmill on the RidgeBlade website:
The RidgeBlade is fitted on the ridge line at the top of a building and uses the existing roof area to collect and focus the prevailing wind. This is where the wind is forced to travel over the roof surface, accelerating the airflow though the turbine.
If I had to describe it, I might say it’s like a long, skinny water wheel. The low profile makes it ideal for places where NIMBY-types want to preserve their views of the skyline, and I’d wager it would be easy to install — almost a DIY project.
(via PatJ’s Twitter feed, retweeted from Canadianmags. Ah, Twitter.)
Grant Hamilton
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