Monthly Archives: December 2011

Chain driven turbine with Classic controller

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

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 | 4 Comments

Next year in Washington state

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

Ampair require 3-5 engineering apprentices

JOB VACANCY Ampair is recruiting 3-5 apprentices to join an expanding renewable energy manufacturing business. This role is as electromechanical production engineering apprentice manufacturing components and assemblies for small to medium sized wind & hydro turbine systems, and electrical equipment. … Continue reading

Posted in Notices, People, UK small wind scene | Leave a comment

Wiring up a 12-volt stator

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 | 39 Comments

New structure for research and development is launched at WindEmpowerment

Piet has created a procedure for refining and defining research goals and methods in a collaborative environment on the WindEmpowerment website. intro_movie_we from piet Willem Chevalier on Vimeo.

Posted in Notices, Video links | Leave a comment

Gordon Proven

I’d like to remember Gordon Proven, the brilliant inventor, and creator of Proven Energy.  I only seem to have this one photo of Gordon from the early 1990s in his old factory in Kilmarnock.    Gordon built a really heavy … Continue reading

Posted in People, UK small wind scene | 11 Comments