Which rules apply?
- Hull and hull appendages may comply with the class rules in force at the time it was first certified, when it was last certified, or with the current class rules
- Rig shall comply with the class rules in force at the time it was first certified or with the current class rules
- Sails may comply with the class rules in force at the time they were certified, or with the current class rules
Changes required to an existing boat?
- Owner’s flag shall be flown when racing
- It is possible some main booms will not comply with the current class rules – but it is highly likely that any such booms do not comply with the previous class rules either
- Requirement for aft head point to be no more than 25 mm from aft side of mast is removed – most sails become compliant for first time
Changes to the way a new boat is measured?
- Boat flotation is carried out without the sails and a standardised 100g mass to replace them and in a defined measurement trim
- Waterline ending may be at or inside the waterline ending limit marks
- The B and J dimensions of the sails shall be marked on the sail tack
Changes to the way a new boat may be made?
- A deck datum point shall be ‘permanently’ marked on the deck aft of the mast
- Recesses in the deck for handle, mast, luff spar, access to rc equipment are permitted
- Mainsail luff perpendicular is restricted to B dimension – band on boom no longer used
- Construction of the head of a double luff mainsail is simplified
New prohibitions?
- Variable geometry of the hull
- Mainsails with luff length below 1390 mm
- Reefing of sails
- A rig without a mainsail
- Automated control of rig/sails
- Automated steering
- On board cameras
- Use of pictures while racing
- Spinnaker and genoa
Terms used here
- Current class rules – the rules being proposed
- Previous class rules – the rules prior to the ones being proposed