(a) Control Systems Definition

  1. The Cunningham, outhaul, vang, traveller and mainsheet are the Control Line Systems. The cunningham, outhaul and vang Control Line Systems may include more than one Control Line as allowed in Rules 3(d)i, 3(e)i and 3(f)i.
    Each Control Line shall be a single piece of uniform thickness and material. A line is a Control Line if any of the line moves along its axis during adjustment of the Control Line System. A line that exclusively attaches items together is a Tie Line.
  2. For the purpose of these definitions, the Standard Fittings are the:
    Plastic cunningham fairlead
    Plastic cunningham clam cleat
    Mainsheet block
    Plastic outhaul clam cleat
    Plastic outhaul fairlead
    Vang cleat block
    Vang key block
    Vang key
    Plastic traveller fairleads
    Plastic traveller clam cleat
  3. An “Optional” fitting is a fitting or block that replaces, or is additional to, a Standard Fitting as allowed by these Rules.
  4. A “Builder Supplied” fitting replaces a Standard Fitting, and is supplied only by the Builder, as allowed by these Rules.
  5. A “Turning Point” is a sheave (pulley) in a block, a rope loop, a rope loop reinforced with a thimble, the outhaul fairlead, a shackle, part of a fitting, sail cringle, mast or boom around which a moving Control Line passes, except that the cunningham fairlead, the “Optional” blocks attached to the “Builder Supplied” deck block fitting, the cunningham clam cleat, and the “Optional” cam cleats attached to the “Builder Supplied” deck cleat base will not be counted as “Turning Points” in Rules 3(e)i and 3(f)i.
  6. When an “Optional” block, or shock cord is attached to a fitting, line, mast, boom or the sail, it may be attached either with or without  a shackle, clips, balls, hooks and/or a tie line.