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that the boat model described in this article could be no more available and its price, if indicated, could be outdated as it refers to the Nautica Magazine paper issue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


Conam 40 Synthesi

Like all boats born from the innovative intuitions of Giuseppe Cimino and built with the professional accuracy and special construction technology of the Conam yard, the Synthesi 40 faithfully reflects the tradition of sporty motorboats. She features a special line, excellent performance, great seakeeping capabilities and comfortable, rational and ergonomic spaces on deck and belowdecks. She was born in 1990 as a "synthesis" of her bigger sister Theorema, so that the Conam clientele could pass from the Lupo di Mare to a boat with more comfortable interiors and excellent performance.

Nevertheless, the Synthesi had to adapt to the needs of the evolving market. In 1995, after thirty successfully built and actually sailing Sinthesi, the yard wanted to give a new thrust to this model. It renewed layout, fittings, waterlines, engine, transmission, etc. and it used new construction criteria. This is how the second version of the Synthesi 40 was born. We tested this new version: an extraordinary and fast boat that will certainly be commercially successful. Below a list of some of her distinguishing characteristics is reported. Aft the boat is totally renewed: the ample sunning area ends on a large swimming platform which includes the garage for the hydraulically lifted dinghy, a multi-function gangway, the covered swimming ladder and access to the engine room. Safety was a major concern: the self-inflating life raft was fitted on the side with a semi-automatic ejection system. Interior comfort was improved: the new boat includes two private bathrooms - one per cabin, a guest cabin amidships with a double bed and a single bed, convertible dinette, etc.

The boat is powered by 2x260hp Volvo Penta engines, with independent electronic controls, capable of propelling the Synthesi at a 30-knot cruising speed and at a 36- knot maximum speed. Overall, the boat is a synthesis of innovation and of rational safety, with excellent performance and construction characteristics that will astonish the Owner at all times. During the new millenium there will be much time to sail with Conam safety and sophisticated habitability.


Designer: Giuseppe Cimino
Yard: Conam Costruzioni Navali Meridionali, Via Provinciale Pianura (Località San Martino) 15, 80078 Pozzuoli (Naples, Italy); tel. +39-0815266192, fax +39-0815264426
Gross tonnage: t 11.89
Italian VAT: 20%
L.O.A.: 41'
Beam: 11'9"
Depth: 8'2
Draft from lower tip of propellers: 3'7"
Light displacement: 16,556 lbs.
Full boat displacement: 20,971 lbs.
Maximum passengers capacity: 10
Berths: 7 in 3 cabins
Test boat power: 2x260 hp Volvo Penta KAD TD stern drives
Total installed power: 520 hp
Total engine and reduction gears weight: 3,620 lbs.
Light displacement/installed power ratio: 14.42
Type of transmission: stern drive
Maximum declared speed at 3,850 rpm's: 36 knots
Cruising speed at 3,450 rpm's: 30 knots
Declared fuel consumption at cruising speed: 18.5 gallons/hr
Range at cruising speed: approx. 430 miles
Fuel capacity: 264 gallons
Freshwater capacity: 79 gallons
Price with standard equipment and test boat power: Lit. 410,000,000 ex VAT.


Hull: V-hull with longitudinal steps and variable transverse sections
Hull construction material: GRP
Deck materials and characteristics: GRP with corefoam sandwich
Bow area: anchor windlass with anchor and anchor chain, anchor locker, double hatch, pulpit, cushioned sunning area, forward mooring bitts with fairleads and covered mooring bitts amidships
Cockpit arrangement and fittings: helm station with pilot and co-pilot settee, roll bar, chart table, sliding access door to interior dinette, settee with table in the outside dinette, aft sunning area with mobile seatback, garage under the sunning area is fitted with hydraulic lifting for the dinghy, self-inflating life raft with semi-automatic ejection system, teak deck, covered mooring bitts
Characteristics of the aft platform: covered swimming ladder, multifunction hydro-electric gangway, shower and 220-V dockside cable connection
Superstructures and windows materials: deck fittings are in stainless steel, windows are in tempered glass.


Layout and characteristics: master stateroom is forward with double bed, hanging locker and private bathroom; the VIP stateroom is aft of the dinette, with a double bed and a single bed. Salon includes an L-shaped convertible settee, open galley opposite VIP bathroom; interior lining is with padded panels, interior bulkheads are in marine plywood, upholstery is on request
Helm station in cockpit: power wheel steering, full instruments and engine indicators, engine controls and electronic reduction gears, Ray Data Eco/Log, fuel level indicators
Chart table: either to the left of the helm station or outside or in the interior dinette
Galley: sink, refrigerator, two-burner range, cabinets and storeroom.


Standard fittings: water heater, rectifier and all equipment listed in the Technical Data section
Optional fittings: electronic instruments on request, air conditioning system, bow thruster, flaps, generating set.


Wind: none
Sea: calm

Time needed to reach planing speed: 5 seconds
Minimum planing speed at 1,800 rpm's: 12 knots
Maximum speed at 3,850 rpm's: 36.5 knots with 520 hp


Seakeeping ability, turning and behavior on waves: the Synthesis is extremely maneuverable and easy to control when turning on waves even at high speed. Under way, with head and cross waves formed by big commercial ships, the boat's trim was excellent
Wheel and flap response: very efficient and precise
Visibility in different wave conditions: excellent
Docking maneuverability: excellent.


Deck: excellent finishing and layout
Interiors: notwithstanding the excellent habitability for 7 passengers, privacy is also guaranteed
Passengers' comfort: excellent
Chart table: location is on request
Galley: rational layout and location; a larger galley is preferable
Bathrooms: rationally made and ample
Engine room: access is aft, engine room is ample and very well positioned
Electrical switchboard and plants: well positioned and fully fitted.