Category Archives: construction

Wind turbine kits in Ireland

Posted in construction, People | 4 Comments

Wind tunnel test compared with theory in Portugal

João P. Monteiro has done some interesting studies of the performance of a 1200 diameter Recipe blade set in a wind tunnel and compared the results with theoretical predictions of a couple of simulation progams.  The results are close.  It’s … Continue reading

Posted in construction, People, power curve data | 1 Comment

Rural Electrification Research Group Survey Results

See this page for details of the results so far from this survey.  Why not join in and contribute to the survey? Here are a couple of the many charts on the results page: See all the results here  

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Test report for Recipe 3.6 metre turbine

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

Big alternator for sale in Canada

PLEASE NOTE THAT THIS ALTERNATOR IS NO LONGER AVAILABLE FOR SALE.  CHARLES HAS DECIDED TO USE IT, AFTER ALL.  (Hugh, January 2014) Charles Haynes has built a large ferrite alternator for a project that no longer needs it.  The alternator … Continue reading

Posted in construction, ferrite magnets, products/technical | 11 Comments

Research work published in Germany and Greece

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

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

Another successful workshop in France

  More photos here of this workshop by Ti’eole in France.

Posted in construction, courses, France | 1 Comment

Pico hydro in Greece

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

previous video Dimensions of 3m blade

Posted in construction, People, Video links | 1 Comment