because IMO changing the blade speed would change its cutting design efficiency (cut, air flow out, etc.)
the blade speed change would be for saving power, n quiietness n longer motor life and also for lighter mowing . thanks for the links _______________________________________________ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub http://lists.evdl.org/listinfo.cgi/ev-evdl.org For EV drag racing discussion, please use NEDRA (http://groups.yahoo.com/group/NEDRA)
