ISA CLASS RULES BOOK
published by WORLD SAILING
F.5 Standing Rigging
SOLCRC200805-[26391].pdf
F.5 Standing Rigging
F.5.2 MATERIALS
Amendment:
Delete present rule and insert:
F.5.2.1 The shrouds shall be of steel construction. The forestay and backstay shall be of steel construction or high-strength polyethylene fibre (Dyneema or similar) construction as specified in 5.3.1 (c) and (d).
F.5.3 FITTINGS
F.5.3.1 The standing rigging shall consist of only:
Amendment:
Amend c) and d) to read:
c) One permanent forestay shall be attached to the mast in such a way that the point of intersection of the outside of the mast and the centreline of the forestay (extended if necessary) is located between the lower edge of the band defined by Rule F.2.4.5 (b) and a point 100mm below it.
Forestay Material | Minimum Diameter
Steel Construction | 3.8mm
High Strength Polyethylene Fibre | 5mm
d) One adjustable backstay shall be attached to the mast head.
Backstay Material | Minimum Diameter
Steel Construction | 3mm
High Strength Polyethylene Fibre | 4mm