Category Archives: People

Jeff Croy’s 3 metre turbine

Posted on 30/03/2013 by admin

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 admin

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 | 10 Comments

Public domain charge controller design

Posted on 09/01/2013 by admin

Here is a link (updated February with English description) to an electronic circuit project load controller for battery voltage regulation.  It’s by Antonio Cecere, who translated my windmill plans into Italian, and the controller project is also in Italian although … Continue reading →

Posted in construction, People | 2 Comments

Video of Scoraig Workshop 2012

Posted on 30/12/2012 by admin

Jonathan Schreiber sent me this video he made about when he came to my workshop last year.  Somehow he also manages to be in the video too Jonathan also has a blog here. I will be teaching at more workshops … Continue reading →

Posted in construction, courses, ferrite magnets, People, Video links | 4 Comments

Power curve measurements on Scoraig

Posted on 23/12/2012 by admin

Together with Jon Sumanik-Leary (E-Futures PhD Student at University of Sheffield) we’ve been measuring the power/windspeed performance of some of the turbines on Scoraig.  The results aren’t always what I expect but they are interesting.  There’s an article about it … Continue reading →

Posted in People, products/technical, Scoraig | 2 Comments

More new ideas from Chris Olsen

Posted on 22/12/2012 by admin

Chris Olsen has taken a new turn in his wind turbine experiments and built a direct drive neo magnet machine for use with the Midnite Classic controller. Older stuff by Chris includes a gallery showing how to cut out a … Continue reading →

Posted in construction, People, products/technical | 4 Comments

How to build a Micro Wind Turbine

Posted on 14/11/2012 by admin

Clément Joulain has written a manual for building a one metre diameter turbine for 12-V charging using some of my basic ideas but adding some new ones. Available from Amazon in Kindle format “How to build a micro wind turbine” … Continue reading →

Posted in Books, construction, developing world, France, People | 4 Comments

Free Document downloads from Kragten Design

Posted on 12/11/2012 by admin

Adriann Kragten has made available a number of his reports on small wind turbines for free download Here at www.bidnetwork.org/en/member/adriaankragten Adriaan writes very thorough reports with plenty of equations and clear drawings.  The reports cover both, electricity producing wind generators … Continue reading →

Posted in Books, construction, developing world, People, wind systems tutorial | Leave a comment

Good news for small hydro turbine owners who want Feed-in-Tariffs

Posted on 06/11/2012 by admin

OFFGEM have published an open letter that clarifies the question of eligibility for Feed-in-Tariffs (FiTs).  This is confirmed in the Energy Savings Trust website. This gist of it is that Hydro turbines do not need to be approved under the … Continue reading →

Posted in hydro, People | 1 Comment