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Discovery Spirit 50 Catamaran

Spirit 50 Catamaran
On The Water
Deck Layout
Saloon 2
  • Boat Summary
  • Full Details

Boat Description

The Discovery 50 Catamaran has a prestigious pedigree. The power, sail and superyachts of Dixon Yacht Designs are famous the world over. This stunning yacht is a result of the 25 years experience of this design studio. The structural engineering is by High Modulus the company behind many of the world's greatest racing multi-hulls.

Discovery Yachts has gained a reputation with its Discovery 55 monohull for building one of the most sought after blue water cruising yachts in the world. Now the Discovery 50 Catamaran brings you the finest blue-water cruising - on the level!

Latest news. Hull #1 has started production. You can see in the picture below the hull mould. We have completed the gelwork and the first layers of laminate. The hull is being constructed in a composite format and you can see the core being laid onto the starboard hull mould (lying on floor). The core is also vacuum bagged for complete integrity.

The whole process is taking place in our recently completed factory unit.

Please do contact us if you would like further information about the Discovery 50 catamaran. We would be delighted to hear from you.

Boat Details
Beam 25 ft 2 inDry Weight 29762 lb Displacement 
Hull Material FiberglassHull Shape Catamaran 
Engine InboardFuel Diesel 
Horsepower (total) 108.00 hpFuel Capacity 238 gal 
Length Overall 50 ftWater Capacity 211 gal 
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Detailed Specs
Designer Bill DixonNumber of Engines 2 


The cockpit is self-draining with large cockpit drains. All drains have slotted stainless covers to prevent small items being lost overboard.

The port side of the cockpit provides a spacious, comfortable seating area, with carefully sculptured seat bases and well angled, deep seat backs for maximum comfort and safety. A substantial table provides for great outdoor living.

The starboard part of the cockpit gives additional seating/sunbathing areas, whilst the helmsman station provides a complete control area. The comfortable helm seat folds away if you prefer to stand at the wheel. The custom designed instrument panel gives clear instrument visibility. The leather covered wheel is mounted on the fascia, with instruments, controls and single-lever throttles immediately to hand.

A pair of water-resistant cockpit speakers are fitted. There is cockpit lighting positioned on the underside of the boom or fixed Bimini option for evening dining.

(Optional) Bimini Tops
Two alternative Bimini Tops are offered as an optional extra – either fixed or soft-top and folding. Both styles of Bimini extend over the main cockpit and provide good shade for the whole cockpit. Both variants can have optional roll down side panels for when the sun is low on the horizon.

A full sun awning to cover half or all of the boat is also available as an option. This not only provides shade, but also shields open hatches.

Cabin Accommodation

There are several interior layouts available, with a number of variations possible within those. The main difference in the layouts is in the Owner’s cabin versions.

"A" Three Cabin Layout with Owner's Stateroom Forward
This owner’s stateroom is extraordinarily light, airy and spacious. It utilises the full width of the boat and is nearly 25 feet (7.7m) wide. The king size double berth is 6' 8" long by 6'6" wide (2.1m x 2m). The high quality split mattress is set on special battens for maximum comfort and to allow it to "breathe". There are drawers under the bed and on each side there is a bedside table. Outboard there are vanity desks and stool or a sofa. There is generous locker and wardrobe stowage. Two large hatches are positioned over the berth, with two additional forward facing ports for light and ventilation. On each side there are two large vertical windows in the hull, which give a wonderful feeling of space and light. There are "His and Hers" bathrooms, one in each hull, each with separate shower. As an option any of the showers can be fitted with a "power shower". All the bathrooms are fitted with electric operation WCs.

"B" Four Cabin Layout
In the four cabin layout the forward area is split to provide two spacious cabins. There is a choice of three layout options for each cabin, and the two cabins don’t have to be the same. You can choose either a 2m x 1.8m wide double bed laid out fore/aft, a 2m x 1.5m wide island berth athwart ships (across the boat), or two single berths athwart ships that can convert to a double. The options are priced slightly differently. Each cabin has its own spacious bathroom and separate shower. The standard fit in all the bathrooms is a Tecma electric WC which can be fed by fresh or salt water.

"C" 'Owner's Hull' Version
In this version the whole of the starboard hull is dedicated to the owner. The master cabin itself features a large island berth 6' 8" long by 5'6" wide (2.1m x 1.6m). There is a dressing table, and extensive wardrobe space in the private corridor, which leads to the owner's bathroom. This is light and spacious and features a separate shower compartment. This can be fitted with a power shower as an option.

"D" - Custom Layouts
We realise that everyone is different and that you may have specific requirements to meet your sailing and living plans. We are happy to discuss specific layout preferences you may have.

Aft Cabins
Each hull contains a huge cabin aft. Again you have the option to design your own layout with either a full-size centreline double bed (2m x 1.5m) in each cabin, or twin berths that can convert to a double. All the cabins contain wardrobe and stowage space. Each of the aft cabins has a large overhead hatch, and a vertical aft facing hatch (that can be left open when it rains) and magnificent vertical profile windows in the hull for maximum light and air.

Interior Finishes
The standard joinery finish is in cherry, with options in maple, teak or light oak. We will be pleased to discuss the characteristics of each wood, and show samples of finish. There is also a wide choice of soft furnishings available.

The standard flooring throughout is teak and holly laminate with a non-slip finish. However, if an owner prefers carpet in the cabins, this is available as an option.


D.C. Electrics
The engines are 12v start. The main engine is fitted with a 80 amp/hour 12v alternator. Both the main engine and the generator have their own 120 amp/hour start batteries.

The domestic batteries are industrial heavy duty, deep cycle, Rolls batteries totalling 1000 amp/hour capacity at 12v. These batteries, under normal use, should have a ten year plus operational life, and are the best conventional marine batteries available. They are almost maintenance free and are fully secured.

All wiring is tinned multi-strand marine grade cable, sized to ABS voltage loss regulations.

Heavy-duty battery switches isolate all circuits except bilge pumps which are independent. The boat uses the latest “LAN-Bus” two wire control systems for reliability and ease of use with all circuits protected by circuit breakers. There are manual override controls available. All wiring is clearly labelled and numbered or colour coded throughout. Wiring is fed in conduits wherever appropriate.

The control panel provides full power management information (both D.C. and A.C.).

The chain plates, skin fittings and mast are grounded to an external earthing plate for lightning protection.

The Saildrive and rudder are electrically bonded and linked to a common earth system.

A.C. Electrical System
An A.C. panel controls a 30 amp 230v (110v option) ring main, with power sockets in the galley, main saloon and cabins. A.C. power is provided by the Victron Energy Quattro 5kW static inverter, or dockside supply. As an option an 8kW Auragen can be fitted. The Auragen is a rugged, lightweight, efficient and reliable generator that has successfully been utilised in harsh conditions. A 1kW immersion heater is fitted in each hot water tank for use when using dockside supply. The Static inverter is powerful enough to power all normal A.C. loads including the optional washer/dryer. If optional airconditioning is required when not connected to shore power, one of the main engines can be fitted with the Auragen and will provide ample power for partial air-conditioning. So that the engines can be used in replacement of a separate generator, the engine room insulation is enhanced. This modern solution to A.C. requirements reduces the extra running and service costs of a diesel generator and saves nearly 1/3 ton of weight! However, if you prefer, an optional generator is available if required. We are happy to discuss the merits of either system.

A 3 core double insulated 16 amp PVC dockside power cable (20m) with appropriate sockets is provided.

Battery Charging
Engine start batteries are charged by 12v 80 amp alternators. This provides secure starting back up with the two separate batteries. These have an emergency link facility, which would also allow charging from either alternator. The main 12v domestic battery bank is charged from both engines, or by the Victron or Auragen battery charger which charges at 150 amp/hours (12v) from the shore power. This combination provides plenty of charging power enabling all domestic systems to be run without the need for a separate generator, even when you are at anchor.


The galley has been designed for easy use both at sea and in harbour. The general layout is as shown on the plan. There is a double stainless steel sink. Since water from washing up and food preparation seems to have a mind of its own at sea, the whole of this worktop is a lightweight stone with stone finish fiddles to contain any spillages and protect the cherry fiddle trim. Hot and cold pressured water is fed to a mixer tap.

There is a separate foot-operated fresh water pump. A saltwater tap is available as an option. A large draining sink is built in beside the sinks, so that dishes can be left to dry securely. This is also a useful place to put things down and know that they will be secure. A handy chute leads to a pull-out garbage container under the worktop. There is ample stowage in lockers and drawers and there are fiddles and grab handles throughout.

Halogen down lights provide good working light. Side windows and an opening port in the coachroof provide light and ventilation. The sliding door giving total access to the cockpit. A 230v (110v) extractor fan is fitted over the cooker.

There is a three or four burner cooker. It is fitted with fiddles/pan holders and has flame failure devices. The oven and grill are set under the worktop. A safety switch is provided to the remote gas supply solenoid shut off valve. A 230v (110v) microwave oven is also fitted as standard, and there is enough space for an optional front-loading dishwasher.

The main fridge of 290 litres (9 cu.ft) capacity has a two front opening doors. It is fitted with shelves and an internal light. There is a large, well insulated deep freeze of 170 litres (6.0 cu.ft) capacity, front opening and accessed from the port corridor. The freezer can also be used as a fridge should an extra chill cabinet be required.

The standard refrigeration and freezer are 12v Frigomatic systems, with sea-water keel cooled heat exchangers. Both the fridge boxes and freezer are constructed with 80mm to 150mm closed cell insulation to provide maximum efficiency which saves on power consumption. Vapour barriers are fitted around the doors which prevents the door from freezing and condensation building up on the outside. Both fridge and freezer are specified for full tropical use.

Engine Mechanical

We offer a choice of two engines.

The standard is the YANMAR 54hp. This is a 4-cylinder, turbo charged engine, which develops 54hp (40kW) at 3,300RPM. It is fitted with a Saildrive unit and folding prop. Each engine is fitted with dual alternators. (See electrical specification for more details). The alternative engine is the same engine turbocharged with intercooler. This offers 75hp (56kW). Each of the 75hp engines is 20kg heavier. Yanmar provide a good worldwide service network. We would be pleased to discuss the merits of each engine with prospective owners.

A folding two-bladed 18" diameter propeller is fitted as standard. The 75hp engines are fitted with three-bladed 18". The propeller folds automatically to maximise sailing performance. It gives excellent handling performance, ahead or astern.


The hull is laid up in female moulds. The immensely strong lay up specified by the Designer and Structural Engineers meets or exceeds the highest level of the European Recreational Craft Directive – Category “A” (Ocean). The hull has two coats of isothalic gelcoat. This is non-pigmented below the waterline. This is followed by powder-bound mat. Both the quality of the gelcoat and the use of non-pigmented gelcoat below the waterline make for an impervious hull surface that is highly resistant to osmosis. The hull carries a five year written guarantee against osmosis.

Vinylester resin is used throughout the hull, which gives superior strength over more traditional polyester resins and a far higher resistance to water ingress again helping to prevent osmosis. The lay-up incorporates a high density core, which provides exceptional stiffness and insulation. This is laid-up with e-glass and locally reinforced with Carbon fibre and consolidated using vacuum technology to ensure complete structural integrity. Woven mat is used extensively for optimum strength to weight ratio, and this is further stiffened by a layer of woven Kevlar throughout the forward part of the hulls. Extensive stringers and bulkheads give massive stiffness and strength.

Both hulls and the central bridge are moulded as one complete unit. The deck is also moulded as one complete unit, which means when the deck is secured to the hull the whole structure is very strong and stiff providing you with security and safety, especially when sailing offshore.

There are watertight bulkheads forward of the forward cabins. In the section forward of these bulkheads there is a horizontal watertight bulkhead to protect the boat in the unfortunate event of severe bow damage below the water line. The engine rooms aft are contained in their own watertight compartments.

The hull below the waterline is epoxy painted and given two coats of anti-fouling before the boat is launched. A double boot top line is sprayed or moulded in.

Deck and Hull

The deck is moulded in GRP with a foam core to provide strength and insulation. Wherever there are load bearing areas plywood replaces the foam core. All high load bearing fittings have reinforced backing plates. The deck incorporates two massive lockers forward accessed by large hatches. There is a large self-draining gas locker by the helm position, and a liferaft stowage position amidships on the aft face of the bridgedeck.

Since anchoring easily is a major consideration when cruising, there is a self-draining chain and anchor locker in the central pod. Here the anchor is deployed from a self launching roller system by the electric windlass.

The port transom is fitted with a bathing ladder, with option for a second one to starboard. A useful grab handle is provided when coming alongside in a dinghy. A bathing shower with hot and cold supply is standard.

The engine rooms and the forward deck accessible compartments are fitted with lights.

The transom steps and main cockpit sole are teak laid as standard, using finest quarter sawn teak, with no visible fastenings. As an alternative, synthetic teak options are available or a textured non-slip finish can be applied to the GRP.

Electronics Navigation

Instruments by Raymarine. ST60+ boat speed, wind speed and direction, and depth systems. Instruments are mounted at the forward end of the cockpit by the helmsman. A multi-function repeater is incorporated in the optional plotter.

A Garmin 128 GPS is fitted at the chart table with antenna on the stern rail. This can be upgraded to a combined colour plotter/radar as an option.

Raymarine 7002+ automatic pilot, with control at the steering pedestal. A second cordless handheld autopilot control is an option at the chart table.

ICOM M505 VHF complete with DSC is standard. A second handset for the cockpit for VHF is optional. Masthead antenna.

Sony or Clarion stereo FM radio and CD/DVD player. Twin speakers in the main saloon. A pair of water resistant speakers in the cockpit.

Mast & Rig Options

The standard oval section mast is deck stepped, with swept back spreaders.

The standard finish is extruded silver anodised aluminium alloy. White finish spars are available as an option. The standard rig is electric in-mast reefing. Push button control from the cockpit allows one person to reef and furl away the sail. There is a manual over-ride of the electric motor. The mast is fitted with internal halyards. A conventional horizontal battened main is available as an option. Spars are from Marechal or Selden.

The standard sail plan arrangement offers a vertical battened mainsail with a 130% rolling reefing Genoa OR a 100% selftacking roller reefing Jib. The latter is often then supplemented by an optional furling screacher or gennaker sail if desired.

As an option all the deck gear may be fitted to allow the flying of either a self-tacking Jib or the larger Genoa, with either sail set to the forestay furler.

Each of these rigs has its own advantages. We would be delighted to talk through your own preferences.

Sails and Rigging

Standing Rigging
All standing rigging is of 1 x 19 stainless steel wire terminating in Norseman Gibb or swaged terminals with chromed bronze rigging screws and stainless steel toggles at the lower ends.

Running Rigging (According to Sailplan Chosen)

  • Main and Headsail Halyards: 12mm Vectran
  • 2 Genoa Sheets: 16mm Polyester Braid
  • Self-tacking Jib Sheet: 14mm Vectran
  • Main Sheet: 14mm Polyester Braid
  • Outhaul: 14mm Dyneema or Spectra
  • Mainsheet Traveller Lines: 10mm Polyester Braid
  • Jackstay (safety) Lines: 25mm Jackstay Webbing

    Sails (According to Rig)
    Sails by Channon or Hood Sails, (or comparable).

    Mainsail cut for in-mast reefing.

    Furling crosscut Blade Jib in Dacron – with luff pad and UV protective strip, or

    Furling crosscut Genoa in Dacron (130%) – with luff pad and UV protective strip.

    Vectran cloth or laminate sails are available as an option.