Apptech wrote: > > BUT, keep them cards and letters coming. All ideas help > produce new ideas which ... . > > > Russell > You want very low power output (relative to normal wind power designs) with very long lifetime. Long life usually means very large bearings and "heavy iron" like the brake-drum windmills. You probably remember the "buzzing strip" wind generator - no rotational parts might be better than small bearings. - Martin -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist