Harold Hallikainen wrote: > So, what's the "maximum power point?" I figured that out and showed the derivation a month or two ago when we were talking about wind tubines. > What fraction of wind speed should a sail be > moving to recover the most power? 1/3 when moving directly downwind. ****************************************************************** Embed Inc, Littleton Massachusetts, (978) 742-9014. #1 PIC consultant in 2004 program year. http://www.embedinc.com/products -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist