Please Try the Boat Associations....
Gary, ....for basic questions, in addition to this forum.For C30's use http://www.catalina30.com/ (also the link)Most associations post their manuals which explain the lines and how to reef. If C30 doesn't have it, try any of the other associations for their manuals, most are the same structure (i.e., www.Catalina boat size.com or .org or .net.Any more specific questions, be glad to help.Stu