POLYTROPON II is one of the most succesful Nautor Custom Yachts, built by Nautor's Swan in 2008 measuring 25,11m (82') in length. POLYTROPON II is a high performance cruiser that offers exhilarating sailing thanks to the combination of quality Finnish construction with the renowned pedigree of naval architech German Frers.  An easy-sailing superyacht with distinctive and unique slim deckhouse, performing ultra-modern interior design by Lazzarini & Pickerings Studio.
 

This unique sailing yacht is offered in combination with her Escort Boat M/Y Polytrofon II. This original and innovative concept has much to offer and great appeal. M/Y Polytrofon II is a 30 knot Escort Boat, with a crew of four, who perform all daily routines on board, thus offering absolute solitude and privacy for S/Y Polytropon IIs guests whilst providing impeccable yet subtle five-star service.

HULL & APPENDAGES

Construction 

• Hull is constructed using a pre preg carbon fibre /epoxy sandwich laminate over Corecell foam core
• Laminated in a female mould to ensure excellent external finish
• Stiffeners, chain plates, mast step and bulkheads in Carbon Fibre pre preg using unidirectional fibres
• Hull windows on either side of Saloon, Owner’s Forward Cabin and Aft Guests Cabins
• Hydraulically operated transom door doubles as a bathing platform
• Large bathing area with cushions aft the two steering consoles.
• Wireless remote controls for transom door

Hull Finish

• Topsides and superstructure are finished in White Snow AwlGrip polyurethane paint.
• Bottom, below the waterline, is treated with epoxy primer then finished with International antifouling

Keel

• Hi-strength steel keel fin with 4.5% antimony hardened lead bulb
• AISI 329 hi-tensile keel bolts

Steering Systems 

• Twin sprocket and chain steering system with stainless steel cables, 3.2 turns end to end.
• The rudder supplied by Isotrop, carbon fibre skins on foam core and tubular carbon stock
• Rudder supported by two self-aligning bearings by JP3
• Composite steering pedestals with integrated instrument displays
• Twin 1200mm three-spoke carbon steering wheels white varnished.
• Emergency steering systems stowed in lazarette

DECK

• Deck is constructed in pre-preg sandwich using Corecell foam, hi-density core under hi-load areas 
• Composite surfaces are painted with Snow White AwlGrip paint system. 
• The side decks, fore deck, cockpit sole and seats are covered with 60 x 9 mm quarter cut teak battens with 5 mm caulking.
• Two built-in angled helmsman’s supports are located at the steering positions
• 30 mm high teak toe rail forward of the mast

Deck Equipment

• Hydraulically operated aluminium anchor arm stowed in bow locker
• Pulpit, pushpit and stanchions in polished stainless steel
• Stainless steel wire lifelines with spacing according to ISAF/ORC requirements
• Six Versari pop-up cleats (2x foredeck, 2x Midship, 2x aft)
• 2x roller fairleads on pushpit feet
• 2x Versari pop-up fairlead  at Midship
• Socket for flagpole on aft deck
• Composite mast collar designed for use with Spartite
• Long cockpit table with folding leaves, adjustable height to become sunbathing platform

Winches by Harken

• Primary winches – two x 1111.3 STCAC-HY three speed with carbon skirt and top, alloy drum
• Jib Self-Tackiing Jib connected hydraulic ram in the mast 
• Mainsheet winch – Cariboni Magic Trim
• Sanguinetti retractable capstan winch on foredeck
• Lewmar V6 hydraulic anchor windlass with wireless remote control

Sailing Hardware

• Hydraulic adjustable genoa cars
• Halyards and reef lines led aft, under deck to primary winches
• Harken deck hardware (blocks, cars, tracks, padeyes etc.)
• Spinlock jammers and clutches
• Assorted winch handles
• Bosun’s chair

Anchoring & Mooring

• One CQR 140lbs (66Kg) galvanized anchor on folding arm 
• One Fortress FX 85 aluminium anchor in bag, stowed below deck 
• 100m Lewmar 12mm anchor chain 
• 50m 24mm Nylon plaited anchor rhode
• Assorted mooring line
• Eight inflatable fenders
• Boat Hook
  
  
  

Deck Canvas

• Bimini over centre cockpit area
• Cockpit and aft deck cushions
• Covers for steering wheels and pedestals
• Cockpit table cove

INTERIOR

General

Polytropon II is performing ultra-modern interior design by Lazzarini & Pickerings Studio. Featuring a combination of white stained teak with Osmo wax finish, white painted and white leather panels.  Cabin sole is teak with holly trim with 100mm spacing

Practically all interior’s joinery, partitions and panels are foam core construction achieving a considerable weight saving.

• Overhead panels finished in white stained teak and fitted with flush mounted LED lighting
• Reading lights at the head of each berth and automatic lighting in each storage locker
• Oceanair retractable blinds and mosquito screens on all hatches
• Hull windows with blinds and curtains.

Forward Owner’s Cabin

• Centerline double berth with storage lockers beneath.
• Vanity desk with opening top and storage to port with folding seat
• Settee on both sides, with hanging locker aft.
• Ensuite head with separate shower compartment, washbasin, shower bidet, storage lockers and mirrors

Saloon

• Four-person settees on both sides with reading lights aft
• Flush drinks cabinet on port side and hidden TV on starboard side
• Eight-person dining table on both port and starboard side with folding chairs, table are telescopic and regulated in high, when in relax position they are merging with the sofa, creating a large bedding area with cuscions. 
• Storage lockers above settees on both sides

Galley

• Work surfaces finished in Corian ‘cameo white’
• Corian  ‘cameo white’ sink outboard 
• Storage lockers and drawers on aft and forward sides
• 2x 160-litre refrigerators aft
• 1x 130-litre freezer aft

Galley Equipment

• Two-burner gas stove
• Electric oven
• Microwave oven
• Miele 90cm electric extraction hood
• Nespresso machine
• Frigonautica Isotherm 24v DC refrigeration compressors

Starboard Aft Guest Cabin 

• Double berth outboard that extends via folding inboard Pullman berth, increases to 120cm wide
• Hanging lockers outboard and forward on both sides
• En suite head with separate shower compartment, marine WC, washbasin, mirrors and storage lockers

Port Aft Guest Cabin 

• Separate two double berth
• Hanging lockers outboard and aft sides
• En suite head with separate shower compartment, marine WC, washbasin, mirrors and storage lockers

Nav Station

• Located on port aft side of saloon
• Forward facing nav desk with open top chart table
• Recessed flush mounted instrument panels

Engine Room

• Engine room is located Centerline, beneath the centre cockpit
• Accessible from all three sides via removable hatches and under saloon steps
• Partitions and insulation to eliminate vibrations and reduce airborne sound.

ENGINE & SYSTEMS

• Main propulsion engine is a Cummings (210 Hp @ 3500 RPM)
• ZF 45-1 reduction gearbox
• 50.8mm shaft with four-blade Brunton Varifold propeller shaft 
• Four stainless steel fuel tanks with total capacity of 1760 litres
• Water separator exhaust system for engine and generator
• Reverso oil change pump for engine, generator and gearbox
• MaxPower 300/15 retractable bow thruster powered by hydraulic PTO on generator
• Pneumatic compressor in lazarette for transom door sealing and fender/dinghy inflation

Hydraulic System 

• Bosch Rexroth central DC power pack system with two electric pumps 
• Individual valve blocks in close proximity to hydraulic consumers 
• Quick release for vang on both steering pedestals

Hydraulic function

• Jib Furler 
• Inner forestay tension
• Jib car pullers
• Bow Thruster
• Self Tacking Jib
• Boom Vang Furling Boom
• Primary winches
• Main sheet winch
• Transom door
• Jib halyard tensioner
• Furling Boom
• Bow Thruster Up/down

Plumbing Systems 

• Hot and cold pressurized fresh water
• Four polyethylene water tanks with total capacity of 800 L 
• Two Gianneschi ECOJET 24v DC water pumps with 18L pressure vessels
• 100 Litre stainless steel water heater that can be heated via engine or AC power
• 18l pressure tank connected to hot water system
• Tecnicomar Modular Watermaker producing 150 lt/h

Ventilation System

• Forced ventilation system throughout interior with variable speeds and timers
• Engine room ventilation via extractor fans via water traps with remote controlled fire dampers
• Battery boxes with extraction and ducting into mast

Climate Control

• A central 230v 50Hz chilled/heated waterborne system by Condaria with total cooling capacity 72,000 BTU and total heating capacity 79,200 BT
• Individual fan coils with controls in each cabin 

Sewage and Drainage System

• Grey water from washbasins, showers and air conditioning condensers is collected in grey water tanks, if necessary via transfer pumps
• Grey water tanks are discharged by 24v electric pumps or manual back up pumps
• All toilets connected to black water tanks, not possible to pump directly overboard
• All marine WC are Tecma Silence Plus 24v type. Owner’s head also features a bidet
• Two polyethylene black water tanks with total capacity 270L
• Black water tanks are discharged with 24v electric pumps, through deck suction or with manual back up pumps
• Four separate bilge areas – fore peak, accommodation, engine room and lazarette
• Each area is drained by a submersible DC powered pump
• 2x manual bilge pumps as back up

ELECTRICAL SYSTEM

• Extensive electrical drawings are provided for both DC and AC systems
• All cables are labelled with identification numbers at both ends

AC System

• 230V 50Hz single-phase three wire system powered by shore power or diesel generator
• Many systems may also be powered by DC/AC inverter
• 50A shore power system with 15m cable leading into dedicated hatch on transom
• 19Kw ONAM generator with sound shield

DC System

Battery Banks:

• Service batteries – 24v 1050 Ah / 5h consisting of 24 cells – 2v each 
• Handling batteries – 12v 225 Ah /20h consisting of 6 Optima, 75Ah each
• Radio batteries – 24v 300 Ah / 5h 
• Engine starting batteries – 12V 75Ah (charged via 90A alternator on engine)
• Generator starting batteries – 12V 75Ah (charged via 40A alternator on generator)
• Generator and engine batteries may be paralleled

Chargers/Inverters

• Two Mastervolt 24v 100 A Service battery chargers
• One Mastervolt 24v 80A Radio battery charger
• One Mastervolt 24/5000 inverter for general service

Monitoring System

Alarms are displayed on the touch screen and include the following functions:

• Bilge level high
• Black water tank level high 
• Black water tank full
• Grey water tank high
• Grey water tank full
• Water pressure pump run dry
• Deck wash pump run dry
• Water in fuel 
• Low battery voltage
• Navigation light failure
• LPG leakage
• Generator overload
• Engine room temperature
• Service battery box temper

ELECTRONIC SYSTEMS

Navigation Instruments

• B&G H5000 Performance Base Pack
• H5000 Motion central processor
• 1800mm masthead wind speed/direction sensor
• H3000 Speed/temperature sensor
• Depth transducer
• Halcyon 5000 gyro compass 
• 5 x H5000 Graphic Displays installed as follows:
• 2 x aft cockpit, 2 x Nav station, 1x crew cabin
• 2 x H5000 Analogue expansion
• 4 x H5000 30/30 displays on mast at gooseneck on carbon bracket
• B&G H5000 Autopilot system with dedicated 24V Marsili/Bosh Rexroth powerpack 
• H5000 Pilot Computer
• H5000 Pilot Controller 
• Twin hydraulic cylinders for autopilot 
• Raymarine E120W 4Kw radome antenna

Computer Systems

Dell compact computers with DVD drive installed in: 

• Navstation – navigation computer
• Navstation – utility computer

Communications Systems

• GMDSS Communication System
• Panasonic digital telephone system
• Inmarsat Mini-C from Thrane & Thrane
• Raymarine Ray 240E VHF system with handset at navstation
• Raymarine AIS500 Class B transceiver

Entertainment Systems

• Samsung 40” LED Television with European DVB tuner
• 2x B&W speakers in owner’s cabin
• Bose Lifestyle 48 DVD/CD/FM sterop system with harddive to store up to 300 hours of music
• Four Bose 131 speakers in cockpit

MAST & RIGGING 

• A Hall Spars three spreader fractional rig with discontinuous shrouds and 21 degree sweep on the spreaders
• Navtec Nitronic Rigging 
• Hall Spars Furling Boom painted white Awlgrip
• Single line reefing for two reefs
• Double groove genoa furling foil
• Extensive running rigging inventory for racing and cruising
• Hydraulic mast jack with manual pump

EQUIPMENT

General Equipment

• Custom rigid-inflatable tender 
• 25Hp 4-stroke Yamaha outboard engine 
• Bauer Dive compressor installed in lazarette 
• Assorted tools and spare parts

Safety Equipment

• Portable fire extinguishers installed in each cabin
• Fire blanket in galley
• Safety belts for navigator and cook
• Safety lines for deck

Price may be changed without notice

Boat is offered subject to still being available

The particulars are believed to be correct but not guaranteed