Specifications

BASIC SPECIFICATIONS AND DIMENSIONS 

Specifications for the following allow room for the thoughtful builder to experiment and apply his own theories.

HULL

Overall length- 3657mm

Maximum beam- 1181mm Gunwales each side (optional).

Maximum depth- 375mm 

Side deck widths may vary from 216mm to 266mm

Hull to be covered with marine ply not less than 3mm thickness. 

Buoyancy bulkheads other than those fore and aft are not permitted.

The weight of the complete hull, in a dry condition, unrigged, which shall include only splashboards, floorboards, chainplates and basic fittings shall not be less than 35 kilograms.

plus, or minus 12 mm tolerance on hull measurements.

RUDDER

Length of blade not to extend more than 610mm below the hull at

the stern.

CENTREBOARD

Maximum length- 1321mm

Maximum width- 355mm

Maximum thickness- 25mm

TILLER

Size optional (suggested Length 508mm). ~ extension (suggested

length 914mm)

MAST

Maximum section 127mm x 63.5mm or equivalent cross sectional

area (suggested size 76mm x 63.5mm maximum).

Height above deck not to exceed 5.6m 

Maybe of timber or metal or carbon.

Maybe of hollow construction.

Height of jib halyard optional (suggested 3657mm from deck).

Spinnaker halyard height optional (suggested 4419mm from

deck).

May be fixed or rotating.

Sail track must be straight when not under pressure.

BOOM

Maximum length- 2362mm including gooseneck.

Maximum depth- 152mm.

Width optional (suggested size for central sheeting 57mm

round).

Sail track must be straight when not under pressure.

Maybe timber or metal or carbon.

Maybe of hollow construction.

SPINNAKER POLE

Maximum length including fittings - 3505mm

May be timber or metal or Carbon (suggested size 25mm round). May be of hollow construction.

GENERAL

Trapezes

optional, one each side of the mast.

Venturis and self bailers

Optional.

Sheeting system for mainsail 

To individual requirements.


SAILS 

General


Main

Maximum sail luff 4800mm  

Maximum Foot 2180mm

Maximum Leach 5110mm 

Maximum Half Girth 1680mm 

Maximum Three Quarter 1220mm 

Maximum 7/8 Girth 740mm

Maximum Quarter Girth 1990mm 

Maximum area 8sqm

Jib

Maximum sail luff 3825mm 

Maximum Foot 1330mm 

Maximum Leach 3490mm 

Maximum Half Girth 650mm

Maximum Head 70mm

Maximum area 2.5sqm


Spinnaker 

*Currently Under Trail*

Maximum area 9sqm

RIGGING SUGGESTIONS.

Stays

1x19 3.5mm circumference stainless steel wire.

Trapeze

1x19 2.5mm circumference stainless steel wire.

Spreaders or a preventer are now widely used to counter

spinnaker pole pressure.

Spreaders

2200mm from the deck. (mast base)


Hounds

4000mm from the deck. (mast base)


Gooseneck

540mm from the deck. (mast base)

Snotter

Suggested height above deck, 840mm.

Preventer

Wire from snottier to fitting at bow or mid bow frame.

Spinnaker halyard 

10m x 4mm circ. polyester.

Jib Sheet

5.5m x 6mm circ. polyester.

Main Sheet

5.5m x 10mm circ. polyester.

Spinnaker Sheet

10m x 4mm circ. polyester.