Our wind turbines were made on site, from raw materials, here at Le Vivray. Both are 3.7m diameter design from Hugh Piggott’s book "A Wind Turbine Recipe Book" that can be found at www.scoraigwind.co.uk with optimal winding of the magneto coils to match wind and blade design, and a height including blades of 11m. The blades automatically tip out of the wind when the turbine reaches maximum speed (“self-furling”). The turbines give 1 to 2kW each in even very moderate winds, with max ou...