Category Archives: my own projects

My first ferrite magnet project

Posted on 28/08/2011 by hugh

Back in the 1980s I had spent ten years building wind turbines that were based on dynamos (USA=’generators’) out of military jeeps.  They were cheap and well made, but they had serious drawbacks.  The magnetism required to make them work … Continue reading →

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Galvanised disks

Posted on 16/06/2010 by hugh

I have just received a batch of galvanized disks for making magnet rotors. Some ten 300 mm diameters and a pair of 660 mm for my big windmill. No more rusty magnet rotors! It cost me 64 pence per kg, … Continue reading →

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New video of my latest welding project – the 3600 recipe

Posted on 19/03/2010 by hugh

the new Youtube video is here Plans to build this wind turbine here.

Posted in courses, my own projects, Video links | 2 Comments

Youtube tour of Scoraig wind turbines

Posted on 25/02/2010 by hugh

Scoraig Wind Skylines videois here

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When do you consider your battery to be flat?

Posted on 28/01/2010 by hugh

I got 42 answers to my (rather cryptic) question: 10/20/40 volts 7 (16%) 11/22/44 volts 4 (9%) 11.5/23/46 volts 10 (23%) 11.75/23.5/47 volts 12 (28%) If it drops below nominal voltage I freak out 9 (21%) Battery makers tend to … Continue reading →

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