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NAUTICA MAGAZINE
NAVIGATION TEST

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

Navigation trials

Please remember that the boat model described in this article could be no more available and its price, if indicated, could be outdated as it refers to the Nautica Magazine paper issue

For possible updated information on the model tested in this article and on all other models builded by this shipyard please search our YACHTING CATALOGUE

Text and photographs by Antonio Bignami


Cantieri Navali di Roma
ITAMA 56

Cantieri Navali di Roma, Itama 56

Cantieri navali di Roma on the wake of their previous creation with an eye to the fast and conformable yachting have introduced the Itama 56, their last off spring of a bigger and lucky series. Mario Amati hand is recognizable in the various particulars one can find on board and that are the key for its increasing acceptance both commercially and aesthetically so widespread by a demanding market.

The Itama 56 is an open fast commuter with a sleek and essential design and a generously fitted cockpit blending the resulting sophisticated comfort with a rational technology from the handsome aft sunbathing area to the elegant dinette to the complete steering station. A particularly safe boat access from aft is made out of teak grating. The most outstanding feature is however below deck; four full cabins with bathrooms in a 56 open footer is not easily found, considering also the careful and stylish layout achieved. This has been longitudinally subdivided attaining a small saloon/dinette area and a rational and complete galley which centers the living space while the surrounding cabins create an effective day/night separation and guarantee the guests' privacy which results to be the boat's most gratifying characteristic. A particular mention is reserved to the sea trial where the Itama 56 has displayed an above average performance with trim and stability in line with the Itama production line : a well achieved balance between performance and living space that easily predicts the future market success for this boat.

TECHNICAL DATA

Builder: Cantieri Navali di Roma, Lungotevere Dante 2/1 00146 Roma, tel.: +39-6-59600800, fax: +39-6-59600839
Project by: Mario Amati
LOA: 17,50 mt
Register length: 17,50 mt
Max. beam: 5,00 mt
GRT: 25 tonnes
Molded depth: 3,05 mt
Max. draft: 1,55 mt
Light displacement: 26.000 kg
Full load displacement: 30.500 kg
Max. passengers capacity: 12 persons
Engines: 2x1.150 HP MAN
Total installed power: 2.300 HP
Transmission: shaft line or Arneson
Engines weight (reduction gear included): 3.220 kg
Light displacement to installed horsepower ratio: 7,42
Cruise speed: 35 knots
Fuel capacity: 2.700 liters
Fresh water capacity: 1.150 liters
Berths: 6+2 in 4 cabins
Range: 360 miles about (cruise speed fuel consumption: 260 l/h)

Average miles range, at a given rpm, is obtained dividing the total fuel capacity (2700 liters) for the "liters/mile" corresponding to the entered rpm. Plotted fuel consumption is declared by the engines' manufacturer: tuning of the engines, weight of persons, stores, etc... on board, hull conditions and propeller type can effect the real fuel consumption.

Remarks: three power plants are offered with the choice of conventional shaft line or Arneson transmission: 2x1000 HP, 2x1150 HP and 2x1370 HP

CONSTRUCTION PARTICULARS

Hull type: deep V
Construction material: fiberglass.
Deck and particulars material: fiberglass with Termanto core sandwich construction
Fore deck: windlass, cleats and fairleads, 2 hatches, sunbathing area.
Cockpit particulars: steering station with pilot and co- pilot seats, U shaped dinette with table, aft sunbathing area, wet bar, aft broken bulwark access.
Swimming platform particulars: teak lined deck, lockers, telephone shower, swimming ladder, hydraulic assisted gangway, 220 V shore line connection.
Superstructure windows material: stainless steel, chrome bronze and toughened glass.

INTERIORS

Lay-out and main features: fore owner's cabin with double bed, wardrobes and private bathroom with shower, two twin beds guest cabins with private bathroom and shower. Wide choice of upholstery materials.
Steering station: two pilot and co-pilot seats, steering wheel, complete engines monitoring instruments and gauges, compass, autopilot, GPS, echo sounder.
Galley: below deck on the port side of the saloon with fully hidden work top, sinks, refrigerator and freezer, microwave oven, exhaust ventilator, furniture and hanging lockers.
Chart table: located on the steering station or on the cockpit dinette.

ACCESSORIES

Standard equipment: water heater, three point air conditioning, safety equipment complete for 12 passengers, stereo system, 8 kW gen-set, color TV and VCR.

TRIAL RESULTS

SEA AND WEATHER CONDITIONS AT TRIAL TIME
wind:
sea state: calm

OBSERVED PERFORMANCES
Planning time: 5 seconds
Minimum planning speed: 16,7 knots at 1.200 rpm
Top speed: 41,7 knots at 2.400 rpm

PERFORMANCE EVALUATION

Seakeeping: sea trial performed in optimal conditions and Itama 56 has amply proved its fast boat characteristics with a very good running trim and an excellent wave impact with a quick return retaining the optimal speed.
Rudder and trim tabs response: accurate with continuous response on tight turning.
Visibility: excellent.
Docking capabilities: very good assisted by practical mooting equipment.

COMFORT AND FUNCTIONALLY EVALUATION

Construction material and detailing:
Lockers number and place:
Deck: easy to walk with access to the bow area.
Flying-bridge:
Interiors: the longitudinal lay-out allow for excellent living conditions with 4 twin cabins and private baths in addition to a sophisticated saloon. The crew quarter as well is a real cabin with an ample bathroom.
Passengers comfort: very good with a remarkable comfort and quietness during the navigation.
Steering comfort: excellent with a wealth of equipment.
Chart table: wide and comfortable.
Galley: the American style solution together with the fittings quality is an excellent choice.
Bathrooms: one of the best feature on board.
Engine room space: very good with a commendable particular eye to the safety.
Electrical plant: positioned in a easy access area with excellent quality equipment.

WHAT WE LIKED MOST
the Itama 56 takes a wonderful trim and sailing conditions with remarkable performances. Living conditions are equally commendable.
WHAT WE LIKED LESS
a 56 feet open boat offering 4 full cabins each with bath has inevitably posed the builder with the need to vertically develop the saloon and the galley thus reducing the available spaces in this section. It is, on the other hand, a precise choice by the builder who had always in mind the 8 passengers' privacy and comfort.