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that the boat model described in this article could be no more available and its price, if indicated, could be outdated as it refers to the Nautica Magazine paper issue

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Text and photographs by Antonio Bignami

Nautica Magazine
n. 375, July 1993


ARREDOMAR AM 46 FLY

Arredomar AM 46 Fly

A very interesting brand-new boat recently created by Sergio and Renzo Marchi's Arredomar: the AM46Fly has a rather unique and unusual design. Externally the AM46 Fly focuses the attention on the futuristic project of the windshield, on its round and streamlined features and on the cockpit and aft deck solutions. It is the dome-shaped windshield that immediately attracts the observer's attention, though we particularly liked the cockpit's solutions (especially the two aft settee, the "rounded" cockpit coaming, the shower etc.).

Even the internal layout is interesting and elegant: it features three separate cabins (the forward double berth cabin and the two guest cabins: the port one with twin berths, and the starboard with upper and lower berth. There are two well-appointed heads (the guest one has a double entrance).

In the saloon, besides the steering position which is simple and functional, one finds a facing double dinette, an adjustable table, and a rational solution for the galley which is composed of two units on which the various components are housed. The flying bridge is worthy of mention: it has easy access form the cockpit, and it is composed of a large sundeck and a roll-bar, a fully equipped and functional instrument panel, and an extremely spacious sitting area.

From the navigating point of view, the AM46Fly does not betray the expectations of a trustworthy boat, with respectable top speed: Arredomar demonstrates its capacity to engineer with the same expertise, and professional craftsmanship (I forgot to underline that the interior is finished with wooden fittings of extraordinary quality) both sailboats and sophisticated motoryachts.

It is a double and demanding venture: the Morgana 72' and the AM46 Fly are perfect demonstrations of how this challenge has been tackled and won by Arredomar.

TECHNICAL DETAILS

Yacht designer: AM Arredomar
Builder: AM Arredomar - Via Passo 124 Campalto (Venezia) - tel. 041/903264 - Fax 90349
Fully cleared for offshore navigation
Displacement: 18 tons
VAT: 20%
Yearly licence: L. 4.000.000
Length overall: m 14,00
Waterline length: m 12,40
Maximum beam: m 4,55
Building height: m 2,10
Draft below propellers: m 0,72
Empty displacement: kg 12.500
full load displacement: kg 16.000
Maximum allowable load: 12 people
Berths: 6 in three cabins
Engines: 2x440 HP Man D 2866 LXE EBTD
Total Power: HP 880
Total fiscal power: 130 HP
Total weight with gear box: kg 32350 .
Empty displacement/installed power ratio: 2,67
Transmission: shaft drive
Maximum speed: 33,5 knots
Cruising speed: 28 knots
Fuel consumption at cruising speed: 130 l/h
Operating range at cruising speed: 650 miles
Fuel tank capacity: l 2000
Water tank capacity: l 900
Price: with standard specification and engines described: L. 625.000.000 plus VAT.

BUILDING SPECIFICATION

Hull: deep V planing hull
Construction and structures: vinylester fiberglass with termanto sandwich. Super-light bulkheads in marine ply and termanto
Deck: fiberglass with termanto sandwich; deck hardware: in stainless steel
Foredeck: sundeck, cleats and fairleads, anchor windlass, pulpit, lockers to stow ropes and fenders
Cockpit: two aft benches with lockers and opening for the aft platform, panelled with teak planks, two lateral lockers (one housing the gas bottle, both to stow ropes), teak hatch
Aft deck: recessed shower, shore power, hydraulic lazarette, swim ladder
Superstructures: window panels made of policarbonate and crystal (lateral windows are electrically operated), flying and roll-bar in fiberglass.
Flying-bridge: sundeck cushions, roll-bar with search lights, horn, radar, spars, complete instrument panel.

INTERIOR

Layout and specifications: forward double berth cabin with private heads, two two-berths guest cabins (starbord side one with an upper and lower berth, the port side one with twin berths) guest heads with double entrance; saloon made of Bahia wood, upholstery to the owner's choice
Below decks steering position: wheel and complete engine instruments, compass, VHF, eco-sounder, log, auto-pilot, rudder angle indicator, radar.
Galley: in the dining area with two facing U-shaped units, with sink, three burners, 120 lt. fridge, worktop, lockers.

OUR IMPRESSIONS

CONDITIONS DURING THE TRIAL
Wind: nil
Seas: calm

PERFORMANCE
Time to plane from standstill: 7" seconds, with engine at 1.600 rpm
Minimum planing rpm and speed: 1600 rpm, 15 knots
Maximum speed: 33 knots at HP 880 and 2300 rpm

PERFORMANCE EVALUATION

Sea quality: The boat can be steered with maximum ease, it is trustworthy and steadfast, shows no speed loss even in hard wave impact; turning is smooth, and even at tight radius, AM46 remains trimmed.
Helm response, trim and flap: the AM46Fly responds easily to the helm
Visibility in different conditions: excellent from the flying bridge, fair from the saloon
Docking manoeuvrability: very good, and made easier both by the easy access to the deck and the excellent deck equipment and solutions (i.e. the two aft lockers housing the ropes).

COMFORT AND FUNCTIONALITY EVALUATION

Deck: essential and uncluttered
Flying bridge: elegant and very easily accessible from the cockpit
Interior: excellent wooden finishing and a well-designed layout that offers a comfortable privacy to the six passengers
Passenger comfort: very good, both for the privacy and the boat's low noise levels
Steering position and comfort: excellent in the below decks steering position, where visibility though is just fair; very good comfort and visibility in the flying bridge.
Galley area: elegant and most of all very functional
Heads: comfortable and well-dimensioned; the double entrance for the guest heads is a good solution
Accessibility of the engine compartment: very good
Electrical equipment panel: well-positioned and made of good-quality materials.