> Count number of rope segments going back and forth. Yes it really is that > simple. > > Thats not quite right. Its the number of segments that SUPPORT the load. Vic Vic Fraenckel KC2GUI windswaytoo ATSIGN gmail DOT com -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist