On Mon, Jan 25, 2010 at 2:18 PM, Jed Rothwell <jedrothw...@gmail.com> wrote:
> Terry Blanton or some other magnet motor expert can probably tell us what > the minimum excess would be to allow a self-sustaining gadget. That's like being a pink unicorn expert; but, with Sprain, considering the conversion losses and other inefficiencies, we calculated about 280% efficiency of the motor was required. T