Category Archives: products/technical

All readings are based on open current voltage and shorted load

Posted on 03/01/2012 by hugh

This is just a word of warning for those who are thinking of buying modified car alternators from http://www.hurricanewindpower.com/ or http://www.prestowind.com/ —-             I did have rather a nice photo of some alternators and parts here but Tim at Presto asked me … Continue reading →

Posted in construction, products/technical, Rooftop madness | 17 Comments

Grid connected homebrew wind turbines

Posted on 01/01/2012 by hugh

In response to a comment from Michael Jones I am posting a brief note about grid connection of homebrew wind turbines of my Recipe designs. The turbine output voltage depends on both the rpm and number of turns in the … Continue reading →

Posted in construction, products/technical, wind systems tutorial | 13 Comments

Powerspout hydro turbines

Posted on 30/09/2011 by hugh

Here is a video of the Powerspout hydro turbine from New Zealand.  I have long been a fan of the Ecoinnovation hydro turbines, and we have a couple here on Scoraig but there isn’t really a reliable enough flow for … Continue reading →

Posted in products/technical, Video links | 4 Comments

Dyocore in San Diego

Posted on 23/09/2011 by hugh

By claiming for a 1.6 kW wind turbine on your roof, you could get it paid for by California State subsidies.  This one can produce that much (in the sales pitch) although it’s only the size of a 200 watt … Continue reading →

Posted in products/technical, Rooftop madness, wind systems tutorial | Leave a comment

How to use a charge controller

Posted on 11/09/2011 by hugh

I have been working on some pages to help people with wiring up their wind turbines to a battery with a charge controller.  These pages explain how to size the controller, choose a dump load, configure the dip switches and … Continue reading →

Posted in construction, my own projects, products/technical, wind systems tutorial | 5 Comments

The old diffuser scam resurfaces in Japan

Posted on 06/09/2011 by hugh

Yawn Here we go again with claims of getting 3 times as much power by putting a fancy hoop around the wind turbine and mounting it at ground level.  And people will get fooled again and lose their money again. … Continue reading →

Posted in products/technical, Rooftop madness, Video links | 3 Comments

V3 now sell complete wind turbine kits!

Posted on 12/08/2011 by hugh

These bespoke kits comprise of a set of three hand-carved blades, a complete alternator, mounting and an electrical system. We have been building these turbines for over 5 years and as a result you can expect the highest degree of … Continue reading →

Posted in construction, People, products/technical, UK small wind scene | Leave a comment

Wind turbines in Tajikistan

Posted on 22/06/2011 by hugh

Jarty Gumbez #4 from an album of photos by Tony Nelson, Director etc4ca

Posted in developing world, People, products/technical | Leave a comment

Source for wind turbine parts/kits in France

Posted on 20/06/2011 by hugh

“We provide parts, completed sections  or the complete 2.4 metre wind turbine kit for the enthusiast to create your own micro electricity generating station by using the wind as the natural resource.  This can then charge batteries or be used … Continue reading →

Posted in construction, France, People, products/technical | Leave a comment

Intelligent Charge Controller for Turbine or Solar Use

Posted on 23/04/2011 by hugh

The Karasouli ICC is a new small low cost charge control and datalogging device for small wind and solar applications.  I mention it here because I hope it will be useful to readers – I have no commercial interest. These … Continue reading →

Posted in People, products/technical, UK small wind scene | Leave a comment