Dufour Yacht

Dufour 405 Grand'large - Technical Specifications

Construction

  • Hand laminated GRP hull.
  • The NPG gelcoat (the first layer of cloth is impregnated with NPG resin) forms an optimum barrier against osmosis.
  • Inner moulded hull bottom, structural grid laminated to the hull. Deck in Balsa core sandwich, made by Infusion process.
  • Draft 2.03 m, cast iron keel, bolt loads taken up by stainless steel backing plate.
  • Semi-elliptical rudder, filled with closed cell epoxyfoam.
  • Stainless steel, solid stock.

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Deck & Deck Fittings

  • Wooden hand rails on the roof.
  • Toerail in solid wood.
  • Self-draining chain locker with eye bolt and integrated windlass bracket, lid with locking bolt.
  • Stem head fitting, double anchor roller.
  • Pulpit with wooden step and separate green/red LED navigation lights.
  • Pushpits with horseshoe buoy bracket, flag pole holder, navigation light, and opening cable gate with hook.
  • Stanchions with two levels of life line.
  • Six aluminium mooring cleats.
  • Single stainless steel chain plate for cap shrouds/aft lower shrouds.
  • Two chain plates for the backstay.
  • Two deck fillers for water and one for fuel.
  • Mainsheet track on and adjustable traveller on coach roof. Boom vang.
  • Genoa sheet tracks with piston lead blocks. Genoa sheet turning blocks on cockpit coaming.
  • 4 and 3 sheave deck organizers for halyard returns, mainsail sheet and reefing lines.
  • Stainless steel swan neck electric/electronic cable gland.
  • 9 clutches on coach roof.
  • Two x 40 ST halyard winches on the roof.
  • Two x 46 ST genoa winches on cockpit coamings close to the helmsman.

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Cockpit

  • Both cockpit seats port and starboard and the helmsman seat covered in FSC Iroko.
  • 2 large cockpit lockers. Lids fitted with gas cylinders and padlock hasps.
  • GRP steering pedestals.
  • Rudder stock head under helmsman's sole for installing the emergency tiller.
  • Engine lever and control panel easily to hand for the helmsman on the starboard side.
  • Transom open in centre with a tipping helmsman's seat giving access to the swim/boarding platform.
  • Telescopic bathing ladder in stainless steel integrated in the aft platform.
  • Gas cylinder locker starboard aft.
  • Storage compartment for a life raft, easily accessible from the cockpit and aft platform.
  • Cockpit shower in port aft locker.

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Sails & Rigging

  • Anodised aluminium mast with double swept backed spreaders, deck stepped.
  • Anchor, steaming and deck light.
  • Boom topping lift cleat.
  • Anodised aluminium boom equipped with two single line reefing system.
  • Genoa roller furling system.
  • Continuous standing rigging in single strand stainless steel cable and chrome plated bronze turnbuckles including: forestay, double backstay, cap shrouds, intermediate and lower shrouds.
  • Pre-stretched running rigging including: Main and Genoa halyards, boom topping lift, Main and Genoa sheets, two reefing lines, outhaul line, Mainsheet car control line, furling line, boom vang tackle.
  • Mainsail equipped with two broad reef bands, with battens and bag. Furling Genoa with anti-UV protection.

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Interior

  • All joinery work is finished in prime choice Moabi mahogany, with fiddles, mouldings and framings in solid wood.
  • Cabin doors have a blocking system in order to keep them open where necessary.
  • Floor in solid Moabi wood.
  • Saloon cushions and mattress fabrics have removable covers.
  • Cabin lining in white coloured marine plywood.

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Ventilation & Lighting

Very efficient ventilation ensured by :

  • 7 deck hatches with integrated "mushroom" ventilators, 4 opening port-lights on roof with curtains.
  • 8 hull port-lights as well as 4 fixed port-lights add to the saloon's natural brightness.
  • Numerous ceiling spotlights and reading lights come in a chrome finish.

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Companionway

  • Sliding companionway hatch and washboard in Plexiglas with stops and lock.
  • Curved wooden steps and access to engine by lifting stair case on jacks.
  • Two handrails.
  • Dedicated stowage for companionway door inside the boat.

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Forward Cabin

  • Large berth approximately 195 cm long with a 10cm thick mattress with washable cover.
  • Under the berth: 160 litre water tank and access to stowage locker.
  • Full length shelf with sea-fiddle over the berth alongside the hull.
  • Large hanging locker with shelves.
  • Access to navigation instrument transducers.

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Forward Head

  • Spacious head compartment with shower.
  • Manual marine toilet.
  • Bath room with integrated wash basin in synthetic Corian stone.
  • Chrome plated brass mixer tap hot/cold.
  • Large mirror.
  • The shower has direct drainage by an electric pump.
  • 45 L Holding available as an option.

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Aft Head

  • Spacious head compartment with shower.
  • Manual marine toilet.
  • Bath room with integrated wash basin in synthetic Corian stone.
  • Chrome plated brass mixer tap hot/cold with shower head.
  • Large mirror.
  • The shower has direct drainage by an electric pump.
  • 50 L holding tank as standard.

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Saloon

  • A large U-shaped settee is on the port side with cushions made out of foam with washable covers.
  • A central fixed settee has a hinged stowage area underneath (optionally on sliders).
  • Further stowage is available under seats and behind backrests.
  • Big saloon table with integrated plate holder.
  • Stowage lockers with doors and bookshelf above the settee.
  • Stainless steel mast pillar.
  • 4 hull port lights to bring light into the interior.

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Galley

  • Galley with large work top in synthetic Corian stone.
  • L-shaped galley configuration in two cabin version.
  • Longitudinal galley configuration in three cabin version.
  • Double stainless steel sink. Chrome plated brass mixer tap for pressurised water.
  • Two burner cooker with oven and grill on gimbals.
  • 12V electric refrigerator unit (180 litres) with both frontal and top opening.
  • Cutlery drawer and PVC stowage baskets.
  • Open and closed storage lockers.
  • One of the lockers can house a microwave oven.
  • Crumb tray under sole.

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Chart Table

  • Large format chart table with a hinged desk top.
  • Ergonomic wooden seat with stowage underneath and covered with a white vinyl cushion.
  • Instruments console.
  • 12 V electric switch panel alongside the chart table in the 3 cabin version.
  • Storage and drawer under chart table top (3 cabin version).
  • Closed lockers above the electric switch panel (in 3 cabin version).

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Aft Cabin(s)

  • Double berth approximately 193 cm long.
  • 10 cm thick mattress with washable cover.
  • Large hanging locker with double door and shelf above.
  • Full length shelf with fiddle alongside the cabin lining.
  • 200 litre fuel tank under starboard berth.
  • 200 litre water tank under port berth.
  • Battery switches on the vertical area of the starboard berth.
  • Technical area with storage facilities between aft berths.

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Engine

  • Volvo 40 hp (29.1 kW). Sail-drive transmission. Heat exchanger, anti-siphon valve.
  • Large capacity sea water strainer.
  • Control panel close to helmsman with hour meter, engine stop and tachometer.
  • Alternator with battery isolator.
  • 200 l fuel tank with gauge on electrical switchboard.
  • Fuel filter with water separator.
  • Emergency fuel shutoff handle.
  • Engine room ventilation blower, and two ventilation hoses.
  • Two-blade fixed propeller.
  • Access to the engine from front and both sides.
  • Independent engine bilge.
  • Quality sound proofing using high density foam.

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Plumbing

  • Polyethylene tanks have a total capacity of approximately 360 litres with inspection plates and electric gauges on tanks.
  • Pressurised water system, 20 litre water heater.
  • Electric bilge pump with strainer and controls on switchboard.
  • Manual bilge pump operated from the cockpit.
  • Bilge integrated in hull and keel with easy access to strainer under floor boards.
  • rainage of shower water by pumps direct to the sea, easily accessible under the washbasins.

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Electricity

  • 12V DC system. Switchboard with circuit breakers, voltmeter, 12V outlet.
  • 1 x 100 Ah engine battery. 1 x 100 Ah service battery.
  • witch for each battery.

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Miscellaneous

  • Two winch handles with holder.
  • Owner's briefcase with owner's manual.
  • Earthed rigg.

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Technical Data

Architects Umberto Felci / Patrick Roséo
L.O.A. 12.17 m
Hull length 11.90 m
Waterline length 10.63 m
Max beam 3.98 m
Light displacement (approx.) 8,080 Kg
Standard draft 2.03 m
Optional draft 1.75 m
Standard keel weight (approx.) 2,336 Kg
Optional keel weight (approx.) 2,414 Kg
Air draft 16.95 m
Fuel capacity 200 L
Water capacity 380 L
Engine power 40 CV (29.1 kW)

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Sail Area

Sail area, close-hauled 81.90 m2
Mainsail 36.60 m2
Genoa 45.30 m2

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Sail Plan

I 14.55 m
J 4.51 m
P 13.50 m
E 4.60 m
LP (140 % overlap) 6.314 m

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