Category Archives: construction

Workshop in Estonia

Posted on 04/10/2011 by hugh

Criss and Madis who joined my workshop here at Scoraig last year have done a workshop at home is Estonia.  Here they are installing the 3 metre turbine on an existing wind site: You can see photos of the course … Continue reading →

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Bruno’s blades

Posted on 02/10/2011 by hugh

I got this email from Bruno with some lovely photos of his blades made from birch plywood.  I am not sure that plywood is the best thing to use for blades (where the stresses are longitudinal) but it seems to … Continue reading →

Posted in construction, ferrite magnets, People | Leave a comment

Blade contruction guide

Posted on 28/09/2011 by hugh

I cam across this rather nice guide to fibreglass blade production that was produced by Andrew Corbyn & Matthew Little, of Engineers Without Borders and SIBAT – Philippines in 2008. It is based on using wooden blades from my older 2005 … Continue reading →

Posted in construction, developing world, People | 2 Comments

Axial alternators with dual stators

Posted on 26/09/2011 by hugh

A lot of people ask me if it’s a good idea to stack the axial flux alternator with 3 magnet disks and two stators. I have done a page comparing the costs and performance of two alternators built using my … Continue reading →

Posted in construction, my own projects | 27 Comments

Interesting German site for building turbines

Posted on 23/09/2011 by hugh

Markus in Switzerland told me about this interesting site.  Parts of it are in German (which I never learned to read, but can using Google translate). http://www.nadaparasiempre.com/hobbies/wind-energy/ Daniel has made an interesting spreadsheet for designing axial alternators.  You can download … Continue reading →

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1200mm wind turbine workshop at Eirbyte

Posted on 19/09/2011 by hugh

Don’t miss the Irish pipe music and some clever construction ideas. Eirbyte is here.

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Price of Neodymium finally levels off

Posted on 16/09/2011 by hugh

There’s an interesting article here about the situation with global supply of neodymium magnets.  Price of Neodymium (Nd) has increased roughly tenfold in two years, but shows signs of leveling in recent weeks. Thanks to Markus Hugentobler for sending me … Continue reading →

Posted in construction, developing world, ferrite magnets | 3 Comments

The first ever wind turbine build completely by people with a disability

Posted on 16/09/2011 by hugh

I Love Windpower – Tanzania are working with Yombo secondary school for people with a disability  to build one turbine of the type ‘Piggott – 3 meter’ plus assemblies and parts, which will be used for the next ordered turbine. “It … Continue reading →

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CometME on WindEmpowerment facebook page

Posted on 13/09/2011 by hugh

See the WindEmpowerment Facebook page for photo albums and a video from CometME about the construction of the 4200 (14 foot diameter) turbines there with 20 magnets.

Posted in CometME, construction, Video links | 1 Comment

Photos from CometME in July

Posted on 12/09/2011 by hugh

I thought everyone might like to see these photos of construction of the 4200 mm diameter turbine in Palestine that Noam sent me in July. Attached please find images of our new 4200 build. You may see the blade jig … Continue reading →

Posted in CometME, construction | 4 Comments