CHICHESTER SCOW CLASS ONE DESIGN RULES

The Chichester Scow is a one design scow built only by Flight Marine Limited. The intent of these rules is to maintain the Chichester Scow as a simple and economical one design class, but not to prevent adoption of simple and inexpensive modifications. The Chichester Scow Class Association is responsible for the maintenance of these rules and inspection/acceptance of modifications. Both GRP and wood/epoxy Chichester Scows should comply with these rules in order to join Chichester Scow one-design races. Although some Chichester Scows are supplied with jibs, their use is not permitted in Chichester Scow One Design racing.

1. 1. Measurement Certificate
   2. Flight Marine Limited builds all new Chichester Scows in compliance with these rules and issues the first owner a Measurement Certificate at the time of delivery. The Measurement Certificate remains valid for subsequent owners, but will be invalidated when a modification is made beyond the scope or intent of these rules.
   3. Hull

All hulls will be built using only moulds or jig tools at Flight Marine Limited. Hull mouldings shall not be altered in any way, and wood epoxy hulls shall not be re-faired without approval by the Class Association before repainting. Hull mouldings shall have no further holes drilled or profiled for any fittings (e.g. self bailer, stem towing eyes, name boards, etc.) other than those supplied on the standard boat as defined by the General Arrangement drawing. The hull identification number [HIN] is to be displayed permanently on the hull moulding in the position shown on the General Arrangement drawing.

Deck mouldings shall not be altered in any way, other than drilling of holes for fixing new fittings. When fitted, such equipment shall not admit any water to the enclosed spaces between the hull and deck moulding. Unused fixing holes from re-located or rejected fittings shall be efficiently sealed. Wood epoxy boats shall not have any fittings that require drilling into the cedar hull core.

No control shall have an advantage (power) greater than 2 to 1, except the kicking strap which may have up to 4 to 1 advantage.

The centreplate shall be made of 8mm thick aluminium [grade/or equivalent to 5083 or 6061-T6] to the profile defined on the Flight Marine Limited centreplate drawing. The thickness may be reduced only within 25mm of the leading edge profileand handle area as shown on the drawing.

The rudder stock and tiller shall be made of wood. The rudder blade shall be of wood with a minimum thickness of 9mm, to either of the profiles defined on the Flight Marine Limited rudder drawing. The thickness of the rudder blade may be reduced only within 50mm of the trailing and 25mm on the leading edge.

Optional fittings may include:-

1. 1. Clew outhaul line, turning block and cleat on boom.
   2. Tack downhaul line, turning block and/or cleat.
   3. Sail telltales and wind direction indicators.
   4. Jamming block/cleat on main sheet.
   5. Up to 2 toe straps.
   6. Reefing stops.
   7. 2 x rowlock holders.
   8. New design, smaller rudder blade.
   9. Non-slip paint or adhesive strips.

Mast The maximum distance, measured along the mast, from the bearing surface of the heel to the uppermost part of the main halyard sheave on its centerline shall be 2720mm +/- 5mm.

Boom The total length of the boom shall not exceed 3110mm. An attachment for a tack downhaul may be fitted not more than 110 mm from the forward end. An attachment for a kicking strap shall be fitted not less than 690 mm from the forward end. An attachment for the main sheet shall be fitted not less than 2590 mm from the forward end. Goosenecks are not permitted. The boom may be lashed temporarily to the mast.

Lug The total length of the lug shall not exceed 3110mm. A single attachment for the main halliard shall be fitted not more than 1885 mm from the head end lashing hole.

All Chichester Scow sails shall be manufactured only by Arun Sails Ltd. to a standard computer based design. All sails are to be constructed of Dacron, balanced type sailcloth of weight 210 gms/sq.m. Sails may be of any colour. A makers certificate that the sail has been manufactured in accordance with this Rule shall be supplied with the sail and the sail itself signed and dated by the Association-appointed Measurer to this effect. The sail dimensions and materials shall be as shown on the Chichester Scow mainsail drawing, recorded on the standard computer program and not altered in any way without the formal permission of the Association. One window is permitted, but shall not exceed 0.1 square metre in area. The sail shall have at least one row of reefing points, enabling a reduction in sail area of not less than 1.8 square metres. Not less than 85% of the foot of the sail shall be attached to the boom.

The Class insignia "CS" and the number of the boat shall be shown on both sides of the sail in clear characters not less than 300mm high and 200mm wide (except for the numeral "1"). The characters must be black, on white or cream sails, or white, on tan sails.

Sails supplied/constructed before instatement of this Rule shall be allowed.

A buoyant painter, capable of lifting the weight of the rigged boat, minimum length 5m, shall be secured with a bowline to the foredeck cleat.

Oars, rowlocks, paddles and other means of propulsion are carried at the owners discretion, but may not be used while racing.

The weight of the dry standard sail-away boat, including mast, spars, plate, rudder, tiller, sail, standing and running rigging shall not be less than 105 Kg.

10. Drawings

General Arrangement, Sail, Spars, Rudder [two designs], Centreplate.

Updated 20/1/02 and finalised.

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