Category Archives: construction

Chain driven turbine with Classic controller

Posted on 29/12/2011 by hugh

Chris Olsen’s latest project involves a Classic 150 controller connected to an alternator that is gear driven from 3.2m diameter blades.  The gear ratio is 1:2.5 up ratio. It’s a single-stator with 3-phase star connected windings this time.  The ferrite … Continue reading →

Posted in construction, ferrite magnets | 5 Comments

Step by step guide to welding a 2400 mm diameter Recipe turbine

Posted on 26/12/2011 by hugh

About 6 months ago I prepared a 12 page document with some step by step drawings and  instructions for welding together the steel frame for just one of the wind turbines in my Recipe book. You can download it by … Continue reading →

Posted in Books, construction, my own projects, Scoraig | 6 Comments

Next year in Washington state

Posted on 13/12/2011 by hugh

I’ll be teaching a “Homebuilt Wind Turbines” workshop course for Solar energy International on Guemes Island WA next October 15-20th 2012. This will be the sixth event of this name.  You can find some photo diaries and videos of previous … Continue reading →

Posted in construction, courses, Notices, Video links | 3 Comments

Wiring up a 12-volt stator

Posted on 08/12/2011 by hugh

In order to reduce the size and stiffness and number of wires that are needed to wind each coil, I prefer to connect the coils of a 12-volt stator in parallel rather than in series.  This means each coil has … Continue reading →

Posted in construction | 50 Comments

Curso de Fabricación de Aerogeneradores de Baja Potencia

Posted on 20/10/2011 by hugh

500rpm in Argentina are running a course for wind turbine construction Download pdf http://www.500rpm.org/detalle_noticia_rpm.php?ID=233

Posted in construction, courses, Notices, People | 3 Comments

rien zilvold upscaled 1800 12 volt windturbine

Posted on 14/10/2011 by hugh

Hi Hugh, My upscaled 1800 12 volt windturbine is up and works fine I used   Upscaled   1800-2150 m’n blades. Tsr 6. 2 discs with magnets. THE stator has 1.5mm coils with 120 turns. The stator reaches 12 volt at 190 … Continue reading →

Posted in construction, People | 2 Comments

Pedal power using electric bike motors

Posted on 13/10/2011 by hugh

This video by is from this interesting web page about bike motors  

Posted in construction, pedal power, People, Video links | 1 Comment

Iliocht’s Wind turbine story at Irish site ‘Build your own wind turbine’

Posted on 13/10/2011 by hugh

There are some good photos and history of a 2.4 m diameter turbine with corroded magnets at the Build Your Own Wind Turbine site in Ireland.  A paint job on some corroded magnets in 2009 and we get to see … Continue reading →

Posted in construction, People | Leave a comment

Disabled build and install a Piggott turbine! (world premiere)

Posted on 09/10/2011 by hugh

The students from the Yombo Vocational Training Center, Tanzania have to live with a disability. But this doesn’t mean that they are disabled in general, or even worse: ‘un-able’ in general.  In the past two weeks students, teachers and instructors … Continue reading →

Posted in construction, developing world, People | 1 Comment

Eoliennes, panneaux solaires, comment franchir le pas avec succès !

Posted on 04/10/2011 by hugh

Solarmad have a new web site in French language Solarmad ont créé un nouveau site web http://www.solarmad-nrj.com/ Eoliennes, panneaux solaires, comment franchir le pas avec succès ! the latest wind turbine from solarmad in Madagascar.

Posted in construction, developing world, France, wind systems tutorial | Leave a comment