alt.energy.renewable

On Aug 28, 4:24 am, The Real Andy wrote:
[....]
> >I am on very thin ice here. But would it not be possible to descemle a
> >couple of alternators, and use the magnets and other stuff inside them
> >to build a windmill?
>
> The problem it that car alternators do not have magnets.

Any alternator that has been installed and used on a car will "build
up" if you wire it up and give it a spin. There is enough
magnetization left to overcome the rectifier's forward drop.