Hull - Cockpit Thickness - Rule Change Proposal

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From Antonio Bari

Summary: to delete the minimum thickness requirements for fiberglass hulls and cockpits

Affects:

Constitution By-Laws Class Rules

Deed of Gift Rules of Conduct NoR or SI Template

Other

Objective: The requirement is difficult to control; it is intended to grant stiffness to the boats, but the class has the minimum weight and the MOI test rules which are sufficient to guarantee quality made boats.

Proposal (include current & proposed changed wording- changes to be shown in red): Example: By Laws: Section 1. Racing Season

The official racing sailing season of this Association shall extend for the full twelve months of the year starting on January 1^st and ending on December 31^st.

General Restrictions

Hull – Rule 5

Thickness of sides, transom, sides of centerboard trunk and bottom:

Fiberglass: 3mm (1/8”) minimum

Fiberglass and foam sandwich or fiberglass and honeycomb sandwich:

3mm (1/8”) outer skin and 1.5mm (1/16”) inner skin minimum.

Wood: density of 512 kg per cubic meter (.0185 lbs. per cubic inch) or greater,

13mm (1/2”) minimum. Density of less than 512 kg per cubic meter (.0185 lbs.

per cubic inch), 19mm (3/4”) minimum.

Plywood: 10mm (3/8”) minimum.

Plywood and fiberglass: 10mm (3/8”) minimum plus fiberglass.

Deck – Rule 10.

Thickness: Plywood: 6mm (1/4”) minimum. Exterior grade maybe used. Fiberglass: 1.5mm (1/16”), Fiberglass and foam or honeycomb: 1.5mm (1/16”) outer skin minimum.

Reasons: this requirement has never been checked; the only way to do so is to drill holes in the boats during the main championships.

15-07Hullcockpit_thickness_1.pdf