Category Archives: construction

28-pole PM-generator design by Kragten (plus added rectifier papers)

Posted on 24/12/2021 by hugh

Adriaan Kragten writes: Report KD 730 can be copied for free from my website: www.kdwindturbines.nl at the menu KD reports. The title of this report is: “Ideas about a 28-pole, 3-phase permanent magnet generator using the housing and winding of … Continue reading →

Posted in Adriaan Kragten, construction | 1 Comment

Details of Ivan’s paint job

Posted on 21/12/2021 by hugh

Several people have admired the finish on the turbine in my recent post about Ivan Juretic’s turbine, so I asked for details.  Here is what he told me: Hi Hugh! The blades and wooden parts of the tail are painted … Continue reading →

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Mountain top turbine still going strong

Posted on 19/12/2021 by hugh

In 2108 I reported a turbine build in Croatia by Ivan.  It’s based on my ideas but Ivan added some engineering refinements.  He just wrote to report that it is still going strong without problems. That turbine works perfectly, for … Continue reading →

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F-series wind turbine manual available soon from Jonathan

Posted on 24/12/2020 by hugh
Posted in construction, ferrite magnets | Leave a comment

An up-to-date list of UK sources of materials for my wind turbine projects

Posted on 01/10/2020 by hugh

My most recent wind turbine plans are dated 2014, and I don’t really make enough sales to justify updating them now but the list of UK suppliers at the back of my Recipe Book is out of date for sure. … Continue reading →

Posted in construction, ferrite magnets, my own projects, products/technical | Leave a comment

F series wind turbine designs

Posted on 12/07/2020 by hugh

My wind turbine designs in recent years have used ferrite magnets and the naming system is based on “F” for ferrite (or ceramic) magnets, preceded by number denoting the diameter in metres. Hence the 2F is my 2012 design ferrite … Continue reading →

Posted in construction, ferrite magnets, my own projects, Scoraig, Uncategorized | Tagged , , | 3 Comments

Jon Leary’s performance study of Scoraig wind turbines published

Posted on 08/07/2020 by hugh

The long awaited final version of Jon’s study based on data he collected here in 2012-2014 has finally been published and is free to read or download here courtesy of Wind Engineering. An important conclusion is the the table in … Continue reading →

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more from Adriaan

Posted on 14/10/2019 by hugh

Dear Hugh Recently I have written two new reports about small PM-generators which make use of the housing of an asynchronous motor frame size 80 and four neodymium magnets size 80 * 20 * 10 mm. Report KD 681 describes … Continue reading →

Posted in Adriaan Kragten, construction | 1 Comment

Greg Gibbes hydro turbines using axial flux alternators

Posted on 19/09/2019 by hugh

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

Arduino-based controller project for the recipe 1800 turbine

Posted on 21/07/2019 by hugh

Philippe wrote to me with this link: Hi, I have my own Piggott wind turbine for 2 years, a 180cm 350W. I had some trouble about the way a regulator adapts energy to a battery charger or a injector. So … Continue reading →

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