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Motor yachts > Jongert

Jongert 3900MY

This three deck, twin engine semi-displacement motor yacht is designed for world wide service. The hull, superstructure, dodger and radar arch will be built in aluminium.

Naval Architecture: Azure Naval Architects.
Styling: Guido de Groot Design
Interior design: Guido de Groot Design

Classification
 

Regulations

Rina, C HULL - •MACH - Ych (MCA) - AUT - UMS (Y) Short Range

MCA LY2
COLREG regulations 1972 edition and amendments,
MARPOL regulations 73/78 as far as applicable Hull, superstructure & radar arch: Aluminium

Sailing experience
The speed flexibility of the 3900MY is the most striking feature of this new Jongert yacht. ‘You go smoothly from full displacement to gliding across the water. Remarkable is also the fact that with a draught of two meters the yacht effortlessly achieves its top speed without first drawing its back deeply into the water. The master can choose from an unlimited range of speeds. Many gliders and half gliders have a relatively large speed range where you are as they say “climbing the mountain” causing unpleasant heavy stern waves and high fuel consumption.

The 3900MY is the first motor yacht of these dimensions ever built by Jongert. Much attention has been paid to comfort during the design of the yacht. The motor yacht line has been developed by the yard at the specific request of several customers who appreciate the design of the Jongert sailing yachts but prefer a motor yacht.

Main dimensions

Length over all: 39,00 m

Breadth: 7,80 m

Draught (half loaded): 2,04 m

Displacement half load: app. 210 t

Gross tonnage: app. 320

Tank capacity: Fuel oil: app. 46.500 l.

Lub. oil: app. 880 l.

Dirty oil: app. 880 l.

Fresh water: app. 7.400 l.

Black/grey water: app. 2.600 l.

Bilge water: app. 1.400 l.

Maximum speed: app. 28,0 kn

Cruising speed: app. 24,0 kn

Passage Speed: app. 12,0 kn

Range: app. 2.400 nm @ 12 kn, one generator running

 

Propulsion

Main engines: 2x “MTU” 16V4000 M90, 2.720 kW / 3.650 bhp @ 2.100 rpm each with Trailing pumps and Trolling

Gear boxes: 2x ZF model BW 7550 P Propellers/propeller shafts: 2x Water lubricated propeller shafts with fixed pitch 5 bladed propellers

Stabilizers: VT Naiad or equal trim/stabilization system

Bowthruster: Hydraulic app. 60 kW / 80

 

 

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Airconditioning and ventilation system

Interior ventilation system: Balanced mechanical ventilation system with fresh air supply at the Fan Coils and extraction in the shower cabins and day heads. In general fresh air supply amounts 25 m³ per person per hour in cabins and 6 air changes per hour for other living spaces. Utility spaces will be ventilated by natural ventilation.

Engine room ventilation: Mechanical ventilation system, laid out according DIN/ISO 8861

AC system: CruiseAir or equal, based on Florida conditions. Chilled water system with chillers in the engine room and Fan Coils in each cabin and living space

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