 CHARACTERISTICS Length over all: 12.192m Length at waterline: 12.027m Max. Beam: 4.150m Draught: 3.000m Displacement: 4650kg Rig Characteristics
P - 17.22 m
E - 5.91 m
I - 15.45 m
J - 4.80 m Design
Owen Clarke Design LLP (OCD) CONSTRUCTION
General
The boat is constructed in a female mould with no fairing compound.
Materials are wet-preg epoxy/glass/ Corecell foam core.
All major laminates and tabbings are vacuum consolidated.
The hull will be painted in LPU paint above the waterline.
The entire hull is protected with a coat of epoxy primer.
Two coats of anti-fouling will be applied.
Internally, the hull and deck are sealed with a proprietary protective paint system. The main cabin area will be coated with white epoxy paint.
Keel
The standard keel fin will be a cast SG iron fin, coated with an epoxy paint system before and after being faired. The trailing edge is machined to exact tolerances.
The lead bulb is cast in a female mould. The bulb is bolted to the fin before fairing and painting.
The keel will be sprayed with fluo-orange antifouling according to Class 40 rules
Rudders and Steering
Twin spade rudders with JP3 17-4ph stainless steel stocks (as per Class 40 rules) and glass/foam blades, built in female moulds, from CNC milled patterns.
Two sets of JP3 rudder bearings.
The rudders are linked, below decks, by way of a tiller bar.
Provision is provided for mounting of two auto pilot rams (Auto pilot rams owner supply)
The rudders will be sprayed with fluo-orange antifouling according to Class 40 rules
Deck Equipment
To be read in conjunction with OCD 156 load hardware spreadsheet.
All deck gear is only top quality
Blocks, sheaves and tracks are Harken or Frederiksen (Mast)
High static load blocks are Karver
Winches and hatches, portlights are Lewmar
Jammers and clutches are Spinlock
Padeyes are Wichard
All fasteners are 316 stainless steel
Pushpit, pulpit and stanchions are 316 stainless steel (as per Class 40 rules)
Chainplates are 316 stainless steel (as per Class 40 rules)
1x Acredite coachroof window per side.
Rig
Spars - Southern Spars - Three spreader mast, boom, spreaders
Rigging - Navtec, BSI
Sheaves - Antal
Track - Harken or Frederiksen
Furlers - Facnor
Snaps - Tylaska
Mast jack - Enerpac Mast
Standard modulus carbon section designed and stiffened as required. Boom
Standard modulus carbon section designed and stiffened as required. Standing Rigging (as per Class 40 rules)
- Side rigging is Nitronic rod
- Topmast running backstay and checkstays are Kevlar 3T Running Rigging
- Main Halyard is 10mm Spectra with a Tylaska H8 snap
- Masthead Spinnaker is 8mm Spectra with a Tylaska T8 snap
- Solent Halyard is 10mm Spectra with a Tylaska T8 snap
- Reef Lines are 10mm Spectra
- Luff lines are 10 mm Spectra
- Outhaul 16:1 is 8mm Vectran with a Harken tackle
- Spare masthead halyard Furler– Genoa
SDG 4000 PC Facnor furler with Kevlar anti torque cable to suit above furler Furler – code zero
SDG 4000 PC Facnor furler MECHANICS AND PROPULSION
Main engine
Main Engine: Lombardini 1003 M with saildrive
Propeller: Gori or Flexofold two bladed folding propeller
Alternator: Custom take is provided for a 100 Ah alternator system, which is the highest power draw approved by the engine manufacturer.
The engine comes with a Lombardini LED engine panel with the following features:
- Start button or key switch
- Alarms (for monitoring temperature, oil pressure and charge rate)
- Instrument panel lighting
- Switch for alarm test and glow
- Single lever engine controls
Fuel system
One 88 L Vetus Linear Polythene fuel tank which is located forward of the companionway steps. It is fitted with an inspection hatch, filler cap, vent pipe to the aft deck and a fuel shut off valve
Exhaust
The main engine exhaust is led to the transom using FRP composite tubing.
The water lock /muffler is situated at the base of the companionway steps
Pumps
One electric pump, which will deliver 18,000 litres per hour is plumbed into the manifold as the main ballast pump.
One Whale manual bailing pump, of appropriate size, operable from main cockpit
One Whale manual bailing pump, of appropriate size, operable from down below, as per Class 40 rules
A hand operated Whale V pump will be mounted at the galley sink
Fresh water system
One 42 L Vetus Linear Polythene water tank which is located aft of the companionway steps. It is fitted with an inspection hatch, filler cap, vent pipe to the aft deck and a shut off valve
Ventilation
Provision for engine ventilation is made via louvered panels in the engine box.
Ventilation to the interior is provided via port lights in cockpit side walls and in companion way door/bulkhead, plus forward sail hatch.
Galley Area
A single camping gas burner on a custom stainless steel gimbal is fitted in the galley area.
A lightweight deep drop-in sink is fitted
Water ballast
Two seawater ballast tanks of 375 litres each are located port and starboard. Under Class 40 class rules the total allowable ballast is 750 kg per side. Each tank is fitted with an inspection hatch, a gate valve and a vent on deck with cowl
Each side (two tanks) is filled and emptied by a custom 2.0” scoop/venturi valve. Scoop operation is manual and from inside the cabin, next to the companionway hatch.
Cross over and dump valves are manually operated Valterra gate valves, and are operable from the cockpit.
Electrics
12V system with 100 Ah charging via Xantrex or similar regulator.
A breaker switchboard is fitted at chart table suitable for boat’s function and owner supplied electronic package.
Six Optima D 34 M spiral wound deep cycle 55Ah batteries form the 330 Ah house bank, separated from one 75 Ah engine start battery, monitored with Heart interface or equivalent.
LED navigation lights complying with IRPCS
INTERIOR
General
The interior arrangement consists of a central navigation station located forward of the engine housing. Four custom bunks are fitted to port & starboard, one set at the aft end of the main cabin, and one set midships in the main cabin.
At the aft end of the engine enclosure there is a simple, lightweight galley consisting of a gimballed camping gas cooker with gas supply attached and a sink with a hand operated pump for seawater.
3 m3 of closed cell foam “tanks”, prescribed by Class 40 class rules, form central seating/bunks and packing areas in the main cabin.
A Nautix lightweight, manually operated head is to be fitted in front of the mast bulkhead.
Hatches (interior & exterior)
Transom A - and in Bulkhead B: 1 x Lewmar Sz MP 54 watertight escape hatch each
Companionway: 1 x composite watertight door.
Bulkhead H: 1 x Lewmar Sz MP 54
Bulkhead J: 1 x Lewmar Sz MP 54
Bulkhead P: 1 x removable composite inspection panel – bolted in place.
Foredeck: 1 x Lewmar Sz 22 hatch for foredeck
Forward Cockpit sides: 2 x Portlights in cockpit side walls
DECK LAYOUT
General
There are 5 winches around the cockpit. Two primaries, Lewmar AST 48’s forward of the helming position. Two runner winches, Lewmar AST 44’s, situated aft of helmsman.
One central mainsheet winch, Lewmar AST 44, mounted on a central pedestal that supports the full width Harken Hi-beam mainsheet track.
Twin, custom fabricated composite tillers are mounted directly to the rudder shafts
Custom made foot rests are located on the cockpit floor in accordance to client’s preference.
Stainless steel stanchions are located in lightweight, composite sockets that are part of the hull/deck structure (no leaks)
There is one central stanchion on the aft cockpit floor, halving the guardwire span and acting as an aerial pad.
There are 2 sole mounted harness points in cockpit.
Lifeline wires - 1 by 19 wire –5mm (uncovered)
Webbing jackstays
Deck surface
Working deck is painted with non-slip. (Spray application)
The Class 40 sail number is applied to the deck according to Class 40 rules and forms part of the non-skid pattern.
Bow sprit
A single, retracting bow pole, with a Dynex bobstay
Lead Time
The lead time for commencement of construction of this Class 40 race boat is currently 10 weeks. Construction period is 51/2 months, depending on degree of customisation. Insurance
The builders will insure the yacht, and all parts intended for it. This will extend to all parts supplied by the owner. The insurance will be valid until the day of delivery, and will include the trials period. Details will be laid down in the building contract.
Trials and delivery
Prior to delivery to the owner, complete trials will be carried out. During the trials the functioning of all systems, equipment and the boat will be proven to the owner or his representative.
To include berthing for 3 days in port (Cape Town)
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