From: Robert Lynn
Brushless generators can be designed to do >97% efficiency. Not a significant loss. John Berry wrote: Yes, but then you need to convert the physical energy into electrical which will cause some extra loss. And one the least costly ways to get high efficiency (I have heard) is by way of one of your “down under” washing machine motors – rewired as a generator… http://www.yourgreendream.com/diy_fisher_paykel.php

