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NAUTICA MAGAZINE
NAVIGATION TEST

Article selected from thousand boat trials performed by Nautica in nearly 50 years

Navigation trials

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Text and photographs by Antonio Bignami

UNIESSE MARINE - UNIESSE 52

A sea trial of one of the yachts of this Chiuduno (Italy) based yard must include an examination of the high construction standards. This is, in fact, the reason of the outstanding comfort achieved on board (stability, noise insulation, seakeepness etc...), together with the exciting performances. The Uniesse 52, the yard's flagship, is perfectly in line with this philosophy of reliability and building accuracy, emphasized by the excellent performances achieved with relatively small engines. The engine room, in particular, represent the perfect example: it is clean an well dimensioned, ensuring safety and efficiency.

The best way to fully appreciate the Uniesse 52's outstanding construction technique is, anyway, an inspection at the yard and a visit on board: surely you will be surprised. But you will be surprised of the sober interior elegance and the generous outer spaces as well, always equipped with excellent fittings: the three cabins with two spacious bathrooms (each with separated shower) and the twin- dinettes saloon with a large galley share the same rational design, while the crew cabin is very comfortable and has a separated bathroom. The interior joiner work has to be noticed for its excellent craftsmanship which ensure elegance and reliability, according with the yard's high quality standards,

TECHNICAL DATA

Builder: Uniesse Marine; via Monte Avaro 30, 24060 (BG) Italy; tel.: +39-35-838813, fax: +39-35-838842
Project by: Fred Hudson
LOA: 17.02 mt
Register length: 15.05 mt
Max. beam: 5.0 mt
GRT: 24.60 tons
Molded depth: 4.20 mt
Max. draft: 1.45 mt
Light displacement: 27000 kg
Full load displacement: 31000 kg
Max. passengers capacity: 16 persons
Engines: 2x800 hp MAN
Total installed power: 1600 hp
Transmission: shaft line
Engines dry weight: 2700 kg
Light displacement to installed horsepower ratio: 16.87
Top speed (declared): 38 knots
Cruise speed: 33 knots
Fuel capacity: 2800 liters
Fresh water capacity: 900 liters
Berths: 6+2+1 in 5 cabins
Range: 510 miles (cruise speed fuel consumption: 180l/h)
Tested boat price: 1.620.000.000 (VAT not included)

CONSTRUCTION PARTICULARS

Hull type: deep V
Construction material: fiberglass with vinylester resin
Deck material: Balsa core sandwich construction
Fore deck: handrail, anchor hawse, chain washing pump, 1500W anchor windlass with three control stations, hatch, cleats and fairleads, sunbathing area with cushions
Cockpit particulars: teak deck, ladder to the flying- bridge, deck washing pump, lighting, shore line, shower, GPL locker, 4 storage spaces, access door to the swimming platform, cleats and fairleads
Swimming platform particulars: fiberglass built with lockers, fully hidden stainless steel swimming ladder, multi- funcions hydraulically actuated gangway
Superstructure windows material: stainless steel and toughened glass. Sliding side windows
Flying-bridge particulars: Plexiglas windshield, adjustable pilot and co-pilot seat, dashboard with steering wheel, throttles, engine monitoring instruments and gauges, compass, log and echo sounder repeaters, fiberglass radar arch, settees and sunbathing area, wet bar with refrigerator and sink.

INTERIORS

Lay-out and main features: three cabins with two bathrooms (bow owner cabin with two wardrobes and three drawers; two twin beds guest cabins with wardrobe and lockers; two bathrooms with separated shower, fully hidden wc and bidet, sink, furniture and lockers), split-level saloon with sofa and U shaped dinner dinette and furniture, steering station with seats, separated galley with access to the crew cabin with bed, electric marine wc, sink, wardrobe and lockers. Teak furniture and cabins sole, leather, Lorica and Alcantara and upholstery.
Steering station: The inside steering station include: compass, hydraulic throttles, hydraulic steering, log, depth sounder, VHF, trim tabs control, engines monitoring instruments and gauges.
Galley: placed to the port side with access from the saloon wit hanging lockers, working top, two stainless steel sinks, 4 burners stove, dishwasher, 140 liters refrigerator, storage space, oven.

ACCESSORIES

Standard equipment: horn, stereo system with two loudspeakers in the saloon and in the flying bridge, 8 kW gen-set, boiler, air conditioning in all cabins, double station trim tabs, GPS / chart plotter, Flying bridge VHF, autopilot, engine room fire-fighting plant.

TRIAL RESULTS

SEA AND WEATHER CONDITIONS AT TRIAL TIME
wind: NW light breeze
sea state: moderate swell

OBSERVED PERFORMANCES
Planning time: 6 seconds
Minimum planning speed: 12/13 knots
Top speed: 38.7 knots at 2300 rpm (1600 hp output)

PERFORMANCE EVALUATION

Seakeeping: The yacht perform on the water as anyone should expect from a Uniesse boat. The Uniesse 52 is extremely reliable in all conditions, while the ride is surely elegant. Very dry topsides. Excellent low planning speed.
Rudder and trim tabs response: very accurate and precise.
Visibility: excellent from the flying bridge, good from the inside steering station.
Docking capabilities: excellent.

COMFORT AND FUNCTIONALLY EVALUATION

Deck: easy to walk and with excellent fittings.
Flying-bridge: accurate lay-out with a large sunbathing area.
Interiors: excellent and elegant joiner work. The practical design ensure privacy and habitability throughout the boat.
Passengers comfort: excellent both for seakeepness and noise level.
Steering comfort: excellent.
Chart table: spacious and practical.
Galley: elegant.
Bathrooms: spacious and completely equipped.
Engine room space: well organized and practical. One of the best spot of the yacht with a safe entrance from the cockpit. The saloon sole is removable for engines maintenance.
Electrical plant: extremely technological and safe. The plant has to be closely inspected, because it is a masterpiece.

WHAT WE LIKED MOST
the countless practical and excellent solutions on board: the building technology, the engine room and all the inboard plants are without compromises.		 WHAT WE LIKED LESS
we would appreciate the standard teak deck.