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that the boat model described in this article could be no more available and its price, if indicated, could be outdated as it refers to the Nautica Magazine paper issue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


PRIMATIST G48 BY BRUNO ABBATE

Bruno Abbate's Primatist is a company that made itself conspicuous for its capability to portray the new requirements of a very particular market such as the European one. Its boats have been for years the essence of building excellence. Harmonious lines, sparkling performance and high quality manufacture cannot be improvised. Primatist never separated from a handcraft tradition that is bordering art: each and every boat is entirely hand-laid, hulls and decks are made out of a balsa sandwich that optimally strengthens and insulates; structural strengthening are always over-engineered.

The new Primatist G48 is no exception: it has a single angle, deep V shaped with an angle of 21° hull and three longitudinal strakes running from bow to stern, that provide hydrodynamic lift. Upon boarding one gets immediately a very pleasant sensation of boundless space. There is a remarkably uncluttered amount of room in the cockpit, which includes a spacious sundeck, comfortable settee and a table to eat in the open. The helmsman position has a well-distributed and versatile instrument panel with every control easily accessible and a vertical wheel which can be easily steered both standing up and sitting down. The views easily spans the whole horizon. The wrap around tinted windshield, entirely shelters everybody in the cockpit, even at the furthest aft.

Interiors follow a classical and very functional design. To starboard of the companionway lies the galley with a well-distributed cooking area: it includes double burners sink, fridge and lockers. To port, the dining area includes a "U"-shaped settee and a rectangular table which, if conveniently lowered, instantly converts into a spare double-bed. The two heads, the owner's and the guests', incorporate a wc, shower, basin, a small locker and teak grating. Going forward there is the owner's cabin. One can partially stand full height around the double bunk, and that makes it easier to tidy up the cabin. A hanging locker for clothes, shelves, lockers, a head-board mirror and dimming lights make up this section of the boat's accommodation. Amidships, to port, there is the guest cabin with two single bunks and an additional upper bunk. There are two electrical systems: 220V A.C. and 12-24 D.C. Everything is commanded by a control panel protected by circuit breakers.

Primatist G48 is really an exciting hull. It reaches planing speed in a matter of a few seconds, with no need to work on the trim, and it easily reaches its maximum speed at 45 knots. At 2100 rpm the two MTU turbo diesel engines, 767 HP each , allow for a economic cruising speed of 37 knots: this fact alone says quite a lot of this hull's capabilities. Wave riding is soft, the wake is straight and clean. Directional stability is excellent, steering is precise and light. Turning radius, which is not much influenced by the individual settings of the engines, is perhaps a bit too wide. But it is not a major limitation on a 14.500 kg. boat, even the more so as control on minor course deviations is good. Manoeuvring from standstill and in reverse is very prompt. With Primatist G48, Bruno Abbate does not break his celebrated efficiency and presents a boat that marks the beginning of a new season which bodes well for the Como-based boat-builder.

TECHNICAL DETAILS

Builder: Primatist by Bruno Abbate; Via Italia, zona industriale; 22010 Grandola ed Uniti (CO); tel. +39 344 3158; fax 31035
Yacht designer: Bruno Abbate
Fully cleared for offshore navigation
VAT: 20%
Yearly licence: L. 1.755.000
Length overall: 13,80 m
Registered length: 13,80m
Maximum beam: 4,40 m
Draught below propellers: 1,30 m
Building height: 2,20m
Empty displacement: 13 tons
Full load displacement: 14,50 tons
Maximum allowable load: 12 people
Berths: 5+2
Engines: 2x767 HP MTU diesel
Total power: HP 1.534
Total fiscal power: HP 168
Total weight with gear box: 1.400 kg.
Empty displacement/installed power ratio: 8,47
Transmission: Primatist Tunnel System
Maximum speed: 46 knots
Cruising speed: 37 knots
Fuel consumption at cruising speed: about 200 l/h
Operating range at cruising speed: about 370 miles
Fuel tank capacity: 2.000 lt.
Water tank capacity: 500 lt
Transportation: by road with police escort
Price: with standard specification and two 435 HP TD Caterpillar engines: L. 615.000.000 plus VAT; with two 600 HP TD Caterpillar engines: L.695.000.000 plus VAT.

Note: To obtain the range of the boat, the fuel tank capacity (2000 liters) must be divided by liters/miles consumption. Fuel consumption is indicated in the graph at the base of the consumption curves and the rated power as shown by the builder's specifications, but real consumption at the sea varies due to the conditions of operation of the vessel and the characteristics of the propellers installed.

BUILDING SPECIFICATION

Hull: it has a single angle, deep V shaped hull with an angle of 21°
Construction: Fiberglas reinforced with a balsa sandwich; with kelson, stringers and ribs in spruce resined to the hull.
Deck: Fiberglas reinforced with a balsa sandwich connected to the hull with stainless steel 5 mm. rivets; deck hardware: stainless steel.
Foredeck: wide sundeck with cushions; steel lifeline protecting the entire deck, electrical anchor windlass, anchor with chain, two cleats, anchor well, double hatch leading to the owner's cabin and the dining area.
Cockpit: two cleats, 4 fender-holders, 12-place U-shaped settee with central dining table, convertible into a sundeck, fridge, lockers, glassholders, access to the engine room
Aftdeck: featuring hydraulically operated lazarette which contains the pram and the waterscooter, teak and steel hydraulically retractable gang-plank, shower and ground connection with cable reel
Steering position: aeronautical layout. To port: a pilot and co-pilot's padded settee , complete instrumentation; ergonomic, three spoke, white leather covered steering wheel; to starboard: the navigator's position, tinted wrap-around windshield.

INTERIOR

Layout and specifications: owner's cabin with double bunk, drawers, lockers, hanging locker, mirrors and forehatch; ensuite owner's heads, and includes: basin, shower, locker, teak grating and wc; guest cabin, aft of amidships, to port, with two single bunks and an additional upper bunk, locking and hanging locker; guest heads ensuite with basin, shower and wc; dining area with convertible "U"-shaped settee and a rectangular dining table which can be adjusted in height; to starbord there is a furniture with sliding fittings; galley: double-burner cooker, sink, fridge and various lockers.

ACCESSORIES

Standard equipment: complete instrumentation, inside and outside cushions, fridge, bow and stern lifeline, automatic deck shower, cockpit cover, batteries, heads, sink, electric bildge pump, double burner cooker kitchen, compass, electronic battery recharger, bimini top, electric anchor windlass anchor, chain, navigation lights, flagpole, windshield, anchor well, steering- gear, electrical system, forehatch, alcantara soft furnishings, inside and outside dining table, hydraulically operated aft lazarette with stainless steel steps, gang-plank, mileage counter, steering indicator, directional light, stereo system
Optional equipment: safety provisions for off-shore navigation: L. 10.700.000; chart-plotting GPS: L. 9.500.000, multi-function GPS: L. 7.700.000, antifouling: L. 2.700.000, cradle: L. 4.800.000, VHF: L. 2.800.000, boat cover: L. 4.000.000, hydraulically operated hatches: L. 9.400.000, roll bar: L. 7.400.000, cockpit fridge: L. 3.500.000, hot-water system: L. 4.000.000, electric generator: L. 15.500.000, air conditioning: L.12.600.000, hydraulic gangway: L. 24.200.000, tender: L. 4.800.000, tender equipped with a 3 HP outboard engine: L. 6.500.000, autopilot: L.10.000.000, radar: L. 16.400.000, custom hull colour: L. 9.500.000, RINA certification: L. 1.700.000, registering fees: L.4.000.000.

OUR IMPRESSIONS

CONDITIONS DURING THE TRIAL
wind: 10 m/sec
Seas: well-established, increasing waves

PERFORMANCE
Time to plane from standstill: 11 seconds, with engine at 1.600 rpm
Maximum speed: 45 knots at 2.400 rpm.

PERFORMANCE EVALUATION

Sea quality: excellent, the boat was very stable, navigating safely and powerfully, especially considering its high performance; planing is reached quickly and easily, wave impact is soft and does not result in trim change; during turns there is no vibration on the rudder blade.
Helm response and trim: precise rudder, with efficient response and slightly slow achievement of course changes due to low gear ratio required to reduce the wheel sensitivity
Visibility in different conditions: excellent in every situation due to the wide windshield
Docking manoeuvrability: good, due to the twin engines, even in crowded harbours where little space is available.

COMFORT AND FUNCTIONALITY EVALUATION

Deck: modern design, rational space organisation, functional, protected and uncluttered. It is very comfortable thanks to very well studied details. The cockpit is very wide and is sized to accommodate 12 people without being overcrowded. Guests can make themselves comfortable on a "U" shaped settee and very cozy aft sundeck. Bulwarks are safe and secure even when the sea is rough.
Interiors: refined, practical and functional
Passenger comfort: excellent
Steering position and comfort: excellent. It gives the pilot the pleasure and emotions of steering an off-shore racer-like cruising boat; the seat, wheel, instruments and throttles layout is very well conceived.
Chart table: it is meant to be on the starbord side, although it is not generally used because of all the electronic instrumentation
Galley area: the possibility to hide all the equipment makes it possible to maintain a refined ambience in the dining area; the kitchen is functional and equipped sufficiently for mid-range cruises
Heads: there are two separate heads with wc, basin and shower; all well ventilated and lit
Accessibility of the engine compartment: good.
Electrical equipment panel: conveniently located, with easy access to the rear of the panel. Excellent equipment.

WHAT WE LIKED MOST
the bridge and the navigating capabilities that result in very exciting performance.
WHAT WE LIKED LESS
guest cabin with three bunks: too many for such a refined boat.