1.1 The HOLIDAY 23 is a One Design Trailable Cruiser / Racer with a drop
keel, created by John Robertson Yachts (Pty) Ltd to fulfil the many needs of
the sailor, from family sailing, round the buoy racing and coastal / inland waters
cruising or racing.
1.2 When competing as a One Design, the intent is that all boats will be
essentially equal and that racing will be a test of sailing ability.
1.3 Except where variations are specifically permitted, yachts of this class
shall be alike in hull, deck keel, rudder, mast and boom, weight and weight
distribution, sail plan and equipment.
1.4 All yachts shall comply with the building specifications as determined by
John Robertson Yachts (Pty ) Ltd, and the Class Rules. No alterations or
modifications are permitted unless explicitly stated in the current rules.
Alterations to the building specifications shall only be permitted with the
approval of the Holiday 23 Class Owners Association. However, this does not preclude owners from adding additional items such as lockers water tanks, bookshelves and the like.
2.1 Yachts shall only be measured by a measurer approved by the Holiday 23 Class Owners Association.
2.2 The measurer shall report on the measurement form anything which is
considered to be a departure from the intended nature and design of the yacht or to be against the general interest of the Class.
2.3 A yacht may be liable to a full or partial re-measurement at the discretion
of the Class Committee or the Race Committee at any time.
2:4 The method of measurement, unless otherwise stated shall be in
accordance with the current recommendations of the Holiday 23 Class Association.
3 CONSTRUCTION AND MEASUREMENT
3.1 Hull Deck and Interior Mouldings
3.1.1 NO additions or modifications are permitted except to facilitate the
attachment of fittings specified in the Rules.
3.1.2 The following are not permitted:
(i) Coring, drilling out, re-building, the replacement of materials, grinding or relocating of standard equipment in a way to reduce weight, to improve moments of inertia or to change standard shapes.
(ii) Reshaping of the profiles or contours of the hulI, keel or rudder.
3.2.1 Every keel shall be produced in cast iron from an official pattern certified
correct by Holiday 23 Class Owners Association.
3.2.2 NO additions or modifications to the keel shall be allowed.
3.2.3 The keel may be over coated with any liquid or paste protective material,
but not such as to alter the shape.
3.2.4 When racing as a class the keel must be kept in its lowest position at all
3.3 Rudder and Tiller
3.3.1 The rudder and rudder-box shall be produced only by Holiday 23 Class Owners Association.
3.3.2 No additions or modifications to the rudder, rudder box and plates are
permitted except reinforcing also refer to 3.3.3
3.3.3 The external dimensions configuration and profile of the rudder shall
conform with the official class drawing, the rudder may be extended to a maximum of 2 meters by cutting of the top and extent it with 200mm”
Reason – offshore sailors may require more control.
3.3.4 The manufacture and materials of the tiller and tiller extension are
3.3.5 When racing as a class the rudder must be kept in its lowest position at
3 4.1 The spars shall be aluminium alloy extrusions and shall conform to the
official class drawing.
3.4.2 No alterations or modifications to the spar extrusions are permitted
except to facilitate the attachment of rigging and fittings as specified in these rules.
(i) Permanently bent or rotating or masts are not permitted. Replacement masts may only be tapered in the width from the spreaders upward.
(ii) The mast shall be fitted to the yacht at its heel in a tabernacle by
means of at least one pin.
(iii) The mast must comply with the official class drawing.
3.4.4 Standing Rigging
(i) The mast standing rigging shall be of stainless steel multi-strand wire as per the official class drawing. Rod is not permitted.
(ii) The various attachment points of the standing rigging to the mast
will be as per the attached drawing.
(iii) The forestay and the shrouds shall not be adjusted while racing.
3.4.5 Main Boom
(i) Permanently bent and / or tapered booms are not allowed.
(ii) The boom must comply with the official class drawing.
3.4.6 Spinnaker Boom
(i) The spinnaker boom must comply with the official class drawing.
The running rigging shall not exceed the following :-
(i) One mainsail halyard.
(ii) One headsail halyard which shall not intersect the forward surface of the mast above the intersection of the forestay with the forward surface of the mast.
(iii) One spinnaker halyard.
(iv) One kicking strap.
(v) One spinnaker pole uphaul and one downhaul.
(vi) One mainsail outhaul tackle
(vii) Two reefing lines must be fitted.
(viii) Backstay tensioning adjusting tackle of rope and / or wire, of
not more than 4:1 power ratio.
(ix) Headsail sheets of rope.
(x) Spinnaker guys and sheets of rope.
(xi) One mainsheet of rope with a tackle of not more than 4:1
power ratio at a fixed point (No travellers allowed)
(xii) Two headsail and two spinnaker barber hauler tackles of rope.
(xiii) One topping lift of rope
3.5.1 No running rigging shall pass through the deck.
3.6 Fixed Fittings and Equipment
3.6.1 Pulpit pushpit (which may be in two sections) and three stanchions per
side all supplied by an approved builder shall be through bolted to the deck
3.6.2 Two taut life lines, one on each side of the boat, of multi strand wire not
less than 4 mm diameter, shall be attached to the pulpit and pushpit and pass through the three stanchions at a height of not less than 420mm above the sheerline.
3.6.3 Two primary sheet winches, shall be through bolted to the deck moulding in the positions provided.
3.6.4 One primary winch on the mast (No highveld levers allowed).
3.6.5 Sheet tracks shall be through bolted in the deck moulding, one on the
port and one on the starboard side.
3.6.6 Two jib cars of any type are allowed.
3.6.7 Other than specified all makes of equipment are allowed.
4.1 The following sails must be carried when racing in a Class Regatta:-
One Working Jib **
** NOTE: If a Roller Furling Genoa is fitted and is capable of being
reeled down to the equivalent of a working jib then this sail need not
4.2 The Following sails may be carried when racing in a Class Regatta:-
One No. 1 Genoa
One Radial Spinnaker
One Storm Jib
Nr 4 Jib
4.3 Only those sails that have been offered for measurement and approved
may be used in a regatta.
4.4 Sails shall be made of single ply material as defined by the I.Y.R.U. except
for normal reinforcements, constructional seams, tabling, reefing patches,
camber lines and genuine repairs to damage. Kevlar or Mylar may not be used.
In the case of a Roller Furling No. 1 Genoa, a portion of the leech may be
laminated, but these laminates must be of single ply material as described
above. In addition to the leech the foot may be similarly reinforced.
4.5 Sails shall be of woven material as currently defined by the I.Y.R.U. and
may incorporate transparent windows.
4.6 The sails shall be measured to the recommendations of the Holiday 23 Class Owners Association except where varied herein.
4.7 The mainsail shall carry the HOLIDAY 23 emblem and the yacht’s sail
number as issued by the Builders.
4.8 The sail numbers shall not be less than:-
Height : 300mm
Width : 210mm (Except No. 1)
Thickness : 60mm
The space between adjoining numbers shall be +- 150mm.
4.9 Sail cloth shall be not less than:-
No. 1 Genoa
Roller Furling Genoa
Leech not less than
Body not less than
No. 4 Jib
** The Mainsail may incorporate a Foot of lighter cloth.
4.10.1 The length of the leech shall not exceed 5300mm.
4.10.2 The maximum half height width, measured from the midpoint of the
leech to the nearest point of the luff, shall not exceed 1750mm.
4.10.3 The maximum three quarter height width, measured from the three
quarter height point of the leech to the nearest point of the luff shall not exceed 1030mm.
4.10.4 The mainsail shall have four battens, placed at approximately equal
intervals along the leech.
4.10.5 Two sets of reefing cringles are mandatory.
4.10.6 The luff cringle of the first reef shall be placed 1570mm (+-50mm) above the foot measured from the top of the tack cringle and the leech reefing cringle will be 1790mm (+-5Omm) above the clew cringle measured from the top of the clew cringle.
4.10.7 The luff cringle of the second reef shall be placed 3050mm -(±50mm) above the foot measured from the top of the tack cringle and the leech reefing cringle will be 3480mm (+-5Omm) above the clew cringle measured from the top of the clew cringle.
4.10.8 Reefing ties in cringles may be fitted.
4.10.9 A leech line is permitted.
4.10.10 Camber lines are permitted
4.10.11 The top of the headboard measured at right angles shall not exceed
4.10.12 A loose footed main is allowed.
4.11 No. 1 Genoa
4.11.1 The luff shall not be more than 8300mm nor less than 8150mm.
4.11.2 The leech shall not be more than 7400mm nor less than 7300mm.
4.11.3 The foot shall not be more than 4830mm nor less than 4730mm.
4.11.4 A leech line is permitted.
4.11.5 Camber lines are permitted.
4.12 Working Jib
4.12.1 The luff shall not be more than 7700mm nor less than 7550mm.
4.12,2 The leech shall not be more than 6150mm nor less than 6050mm.
4.12.3 The foot shall not be more than 3450mm nor less than 3350mm.
4.12.4 The sail may not have battens fitted.
4.12.5 A leech line is permitted.
4.12.6 Camber lines are permitted.
4 13 Storm Jib
4.12.1 The luff shall not be more than 5100mm nor less than 4059mm.
4.12.2 The leech shall not be more than 3350mm nor less than 3250mm.
4.12.3 The foot shall not be more than 2400mm nor less than 2300mm.
4.14.1 The sail shall be three cornered, symmetrical about the vertical line
passing through the head.
4.14.2 The sail shall be measured when laid cut on a flat surface and folded
about the centre line. Sufficient tension shall be applied to remove wrinkles and creases along the lines of measurement.
4.14.3 The length of the leeches shall not be more than 8200mm nor less than 8000mm.
4.14.4 The half width of the sail, measured from the midpoint of the leeches, and the nearest point of the centre fold, shall not be more than 2530mm.
4.14.5 The maximum half width of the foot shall not be more than 2530mm.
4.15 Cruising Spinnaker
4.15.1 The luff shall not be more than 8265mm.
4.15.2 The leech shall not be more than 7605mm.
4.15.3 The foot shall not be more than 4300mm.
4.16 Roller Furling
The only measurement will be the LP which may not he more than 4000mm
There will be no minimum.
4.17 No. 4 Jib
4.17.1 The luff shall not be more than 6600mm
4.17.2 Area 6.6sq m
4.17.3 LP 2m
4.18.1 The luff shall not be more than 8400mm
4.18.2 SMG 4500mm
4.18. The foot shall not be more than 5000mm.
5, AUXILIARY ENGINE
5.1 The engine must be of a propriety brand with a minimum of five horse
Power, inboard or outboard.
5.2 A minimum of five Litres of fuel must be carried.
5.3 The outboard motor must remain on the mounting bracket at all times
during a class race.
6. MANDATORY EQUIPMENT
6.1 The following interior fittings must remain on board in their usual positions
and may not be moved during a race to attempt to change the normal weight
saloon table, chart table, cooler box enclosure, steps, locker
covers, cushions, two burner stove, sliding hatch, fore hatch, wash
boards, No 7 gas bottle and portable chemical toilet or marine heads.
6.2 Navigation lights by the way of a bicolour light on the pulpit and a white
L light on the stern.
6.3 A minimum of five litres of fresh water.
6.4 One sturdy bucket of nine Litres capacity and fitted with a stout
6.5 One permanently fitted bilge pump.
6.6 One anchor , minimum weight 5 kg., fixed with not less than three metres
of chain and thirty metres of anchor warp not less than 7mm diameter. The
anchor must remain stowed in the anchor locker during any class race.
6.7 One 12 volt battery with a minimum capacity of 45 amp hours.
6.8 Tools and spares, including a hacksaw and spare hacksaw blades or bolt
cutters capable of quickly parting the. standing rigging.
6.9 One life jacket for each crew member.
6.10 All boats must comply with the current safety regulations.
These are minimum requirements and each notice of regatta may require
additional safety items to cater for the location of the particular regatta.
7. CREW MEMBERS
For class racing a minimum permitted crew is a skipper and one crew — no
change in crew numbers in any race.
The following are not permitted:-
(i) Winches other than the one on the mast and the two primary
(ii) Running backstay or devices to simulate such
(iv) Spinnaker chutes through the deck.
(v) Hiking or trapezing equipment
9. OPTIONAL EQUIPMENT
It is rather difficult to draw up a set of rules regarding optional equipment This
is one area where the boat owner is free to do anything he likes to his boat. In
this way each boat takes on its own character. The intention of this clause is to
allow each owner free expression regarding his boat but this should not be
used to give one boat an unfair advantage over another.
In general if a boat is made heavier by the addition of a piece of equipment
then it should be allowed. If a boat is made slower by an additional piece of equipment it should be allowed. If the additional equipment makes no difference in speed it should be allowed. Any boat owner in doubt about any additional equipment should approach the
Holiday 23 Class Owners Association. The decision of the Holiday 23 Class Owners Association will be final.