Category Archives: People

Test report for Recipe 3.6 metre turbine

Posted on 11/11/2013 by hugh

Rapport SEPEN 32.6 – Eolienne autoconstruite Piggot – 1.7 kW – Reseau Above is a link to the full test report in French of a Recipe style 3.6 metre diameter grid connected wind turbine, built by Tripalium. I can understand … Continue reading →

Posted in Books, construction, France, People, power curve data | Leave a comment

Research work published in Germany and Greece

Posted on 14/10/2013 by hugh

Here are some links to research work that has gone on recently in Berlin and Athens toward further development/documentation of the designs in the Recipe Book.  Mostly it’s bench testing of alternators. If anyone wants me to put notices of … Continue reading →

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A chance to work with Adriaan Kragten on a pumping application for small wind

Posted on 22/09/2013 by hugh

Here is an invitation from Adriann Kragten to test his design ideas and develop a pumping wind turbine project.  Please note that Adriaan has never built an axial flux generator, so these instructions are not like my Recipes which are … Continue reading →

Posted in Adriaan Kragten, Books, construction, People, pumping water | 5 Comments

Pico hydro in Greece

Posted on 23/08/2013 by hugh

Pico hydroelectric installation in a mountain farm on Mount Iti – Greece March 2013 from Kostas Latoufis Alexandros and Ioanna live for the last four years in ‘Rodokalo’, the place name of a farmland on Mount Iti situated at an … Continue reading →

Posted in construction, hydro, People | 4 Comments

Maximilian Schleeff’s single side chainsaw blade carving method

Posted on 18/08/2013 by hugh

previous video Dimensions of 3m blade

Posted in construction, People, Video links | 1 Comment

More good articles on Paul Gipe’s web site

Posted on 30/06/2013 by hugh

http://www.wind-works.org/ is Paul Gipe’s site and see more links below. Paul Gipe has published more good stuff on his web site recently about the ‘stuff that doesn’t work’ in the small wind industry today.  It’s a breath of fresh air … Continue reading →

Posted in People, products/technical, Rooftop madness, wind systems tutorial | 1 Comment

6 watt turbine design from Adriaan Kragten

Posted on 02/06/2013 by hugh

Kragten Design VIRYA-1.04   Diameter                                                                           D = 1.04 m Number of blades                                                             B = 3 Design tip speed ratio                                                      ld = 3.5 Mass                                                                                 including 1 m tower pipe  m = 4.85 kg Starting wind speed                                                          Vstart = 2.6 m/s Survival … Continue reading →

Posted in Adriaan Kragten, Books, construction, People | 1 Comment

Jeff Croy’s 3 metre turbine

Posted on 30/03/2013 by hugh

Jeff followed my kindle edition but used north american magnets and wire sizes based on the info in my updates.  The tower is a bit short(!) but ingenious.

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Survey of locally manufactured small wind turbines

Posted on 19/03/2013 by Hugh

Message from Kostas at NTUA This survey is addressed to users, constructors and designers of locally manufactured small wind turbines (SWT) and it is part of the work conducted in the Electrical Energy systems laboratory of the National Technical University … Continue reading →

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The truth about Vertical Axis turbines

Posted on 12/02/2013 by hugh

Paul Gipe has put together an interesting compendium of articles about VAWTs “For whatever reason, many VAWT designers are prone to more hyperbole than most other wind turbine designers. Some claim their turbines will produce at less cost and with … Continue reading →

Posted in People, products/technical | 77 Comments