Piggott Axial Flux Alternator Wind Turbine
The PIggott Axial Flux Alternator Wind Turbine, an open source wind turbine technology (construction instructions available in Hugh Piggott’s manual, How to Build a Wind Turbine) that aims to use local materials to manufacture wind turbines of varying sizes and energy outputs.
Designed for construction in any country worldwide. Manuals are available in English, French, Italian, Spanish, German, Hungarian, Swahili, and Dutch.
Hugh Piggott’s manual is available for purchase online to all end users for personal construction of the turbine.
Hugh Piggott estimates the price of the smallest turbine to be about $300 USD.
Prices for the parts for the smallest sized turbine amount to about $700 USD. Instruction manual does not have any known subsidies. Unknown if the materials necessary for construction are subsidized.
Thesis presentation from Delft University lists price as $1,000 – $2,000 USD
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Any individual looking to construct their own off-grid method of energy production.
Turbines are individually manufactured.
The Piggott Turbine can only be manually constructed by following the directions outlines in Hugh Piggott’s open source book A Wind Turbine Recipe Book
Since the product is open source, the true number of constructed turbines is unknown.
The Piggott Turbine can be constructed for 6 different sizes, with parts required to construct each available here. Turbines range from 1.2 – 4.2 meters in diameter, and are available in 12V, 24V, and 48V models.
All technical information is available in the instruction manual, but Hugh Piggott is available for email for any outstanding questions at firstname.lastname@example.org.
All the components for construction are common manufacturing materials and parts that are most likely available in country, or can be purchased from Wind Turbine Supplies available here.
Lifetime information unavailable. No disposal information available. Warranty N/A.
Thesis from Delft University studying power output of Piggott Turbine.
Manufacturer and Delft University
Grinding, sanding, drilling, welding are dangerous practices and should be performed with caution. The construction involves many dangerous tasks and some materials may be sharp or toxic, so caution is required during construction. The manual discusses potential hazards in depth. No known hazard during the windmill’s operation.
N. Hosman, Performance analysis and improvement of a small locally produced wind turbine for developing countries. Delft University of Technology. 2012
Hugh Piggott developed the technology at his home in Scoraig, Scotland, taking him about a year to produce a functioning wind turbine. He used both laboratory research and field testing in his hometown to evaluate and develop the open source technology.
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