Aren't there large commercial (tractor mounted) line trimmers? Dave KY1K wrote: > > I'm really open to suggestions though, blade sharpening and > replacement ain't cheap. Also, a slow responding electronic/mechanical > sensor is still 100 or more times faster than my reaction time and > will really reduce the damage caused by hitting rocks. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist