Monthly Archives: April 2012

Upcoming course in Ireland

On 18th June I will be joining Jimmy and Miriam of Eirbyte for another fun workshop course.  Facebook page is here.  More information here. Here is a video of a previous workshop with Eirbyte: See this page for a calendar … Continue reading

Posted in construction, courses, Video links | 2 Comments

Power curve measurements from Comet-me

Noam Dotan at Comet-me in Palestine (Community, Energy and Technology in the Middle East) has been sending me some interesting data from the 4.2 m diameter turbines that they  build.  The design is based on the recipe but they use … Continue reading

Posted in CometME, products/technical, Scoraig | 1 Comment

Coleman wonder turbine gives 3x the Betz limit!

Thanks to Doug Selsam for this helpful commentary on the Coleman 600W turbine that is only 2 feet in diameter and produces three times the notoriously obsolete “Betz limit“.

Posted in products/technical, Rooftop madness | 4 Comments

Helix Wind Asset Sale

The company’s largest creditor is requiring that the assets of Helix Wind Corp and Helix Wind Inc, both Nevada Corporations, be sold via a public auction held at the company’s office on May 11, 2012 at 11 a.m. Pacific Time … Continue reading

Posted in products/technical, Rooftop madness | 6 Comments

Jan Wolstenholme’s construction blog

Some novel approaches to small wind turbine construction including setting coils in concrete… The Wind In The Wires home built off-grid windturbine adventures by Jan Wolsetenholme.

Posted in construction, People | 2 Comments

WindTracker – for Small Scale Wind Turbines

Logic Energy have brought out a low cost but decent quality datalogger for wind. This logger simply gives you the basic info that you need which is the windspeed distribution – how many hours the wind has blown at each … Continue reading

Posted in products/technical, UK small wind scene, wind systems tutorial | 5 Comments documents the progress of Sean Callagy‘s pedal powered alternator project in Ireland. Anyone who is trying to build a pedal powered generator should find this site interesting. The project is based on an alternator that we built with Eirbyte … Continue reading

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