Category Archives: Uncategorized

Greg Gibbes hydro turbines using axial flux alternators

Greg sent me some photos of the hydros he is building using axial flux alternators to provide direct single-phase AC for sites in Papua, Indonesia. Here is some information. Greg’s email is [email protected] These are single phase units, 240VAC, 50Hz. … Continue reading

Posted in construction, developing world, People, Uncategorized | 2 Comments

New Facebook page

I have started a Scoraig Wind Electric Facebook page that will only be about renewable energy stuff. (My personal Facebook has some pics of wind turbines etc but also plenty of grandchildren and dogs etc so this will be a … Continue reading

Posted in my own projects, Scoraig, Uncategorized | Leave a comment

wire size and current

I got an email question today and it seems important enough to answer with a new post.  Here is the question “How many amp of 14,15,17,18 and 20 awg wire for wind turbine. Can you give me any chart? Please!!!!! … Continue reading

Posted in Uncategorized | 3 Comments

my 1998 blade design notes translated into Russian :-)

I used to teach blade design.  I went to Wales to learn (more) about windpower on a course (in about 1989), but the guys there made me teach the session on blade design.  They just announced that I would do … Continue reading

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5-day-workshop for a 2F HP Turbine in Germany

(ERNI e.V., www.erni-kollektiv.org) together with the VHS Braunschweig conduct a 5-day-workshop for a 2F HP Turbine from 14th to 15th May in Braunschweig, Germany. Application is available here: https://www.vhs-braunschweig.de/die-vhs-braunschweig/kurssuche/kurs/Workshop-zum-Bau-einer-Kleinstwindkraftanlage/nr/BMUB01/bereich/details/ Costs: 70€ for all 5 days Information flier here  

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More from Mac in Wyoming

hello again from Wyoming.. The larger wind generator at 45 mph + winds is doing a whooping 150 to 200 amps.  24 volts battery bank. Maybe would do more, but tail cuts out of wind after 45 or 50 mph winds.  … Continue reading

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Offset angle of the furling tail

I got asked a question that a lot of people ask me, so I thought it worth answering here. “Hi Hugh my name is Bill looking through your book A Wind Turbine Recipe Book I am a little confused with … Continue reading

Posted in construction, my own projects, Uncategorized | 3 Comments

nice exploded diagram of 1200 Recipe turbine

Here is an illustration that will be used in the new edition of the French version of my Recipe Book.  It’s the smallest Recipe machine (popular in France) which is only 1.2metres in diameter.  This amazing explosion was created by … Continue reading

Posted in construction, France, Uncategorized | 3 Comments

video of my presentation at EWB in Glasgow

Thanks to Jon Leary for this long video of my rambling presentation to a group of Engineers Without Borders students at a conference hosted by Strathclyde University on 1st March this year.

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Proven reborn “Unfortunately it seems likely that Proven’s new owners will not be obliged to honour its guarantees”

source Receivers KPMG  said it had now sold the business and its assets to Kingspan Renewables. The receivers said the successful sale not only safeguarded the jobs of 20 Proven Energy staff but provided an opportunity for continued manufacturing at … Continue reading

Posted in UK small wind scene, Uncategorized | 1 Comment