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The Nordhavn 475 will be based on the hull of the Nordhavn 43 but she will be a much different boat, starting with a completely new deck and flybridge. The N475 represents the sleeker, elongated look of modern Nordhavns with the incorporation of an extended cockpit and boat deck, providing not only a more streamlined profile, but also allowing for greater space in the cockpit and more room up top for toys and a bigger tender.&nbsp;


Structure

 Hull lamination schedule per construction plan 
 Vinyl ester resin used in first laminations 
 All exterior gel coat – white Ferro Super Shield on superstructure and Arocoat brand on hull and non-skid 
 Deck lamination schedule per construction plan 
 Core: 
 Cabin side (vertical surfaces): Foam Klegcell R75 or equivalent cross-linked foam 
 Cabin top and deck (horizontal surfaces): End grain balsa 9-12 lbs. per sq foot Baltek 
 Hull interior: Solid series of laminates 
 Deck/hull joint: 
 Between deck and hull flange: 3M 5200 
 Inside of joint:&nbsp; Two (2) layers mat and woven roving 
 Mechanical fastening: 1/4″ (6 mm) x 20unc thru bolted on 6″ (15 cm) centers where accessible.&nbsp; In areas that cannot be accessed self-tapping machine screws used 
 Longitudinal Stringer: 
 Hull: Five (5) full length port and starboard, engine beds and floor stringers – topside stringers – longitudinal and vertical 
 Deck: Per design 
 Interior floors as done on N60 – above engine room (salon) using deck beams and 2″ (5.08 cm) insulation with aluminum screening over 
 Ballast: Internal lead – determined at time of launch (approx. 1/2 weight of fuel) 
 Gel coat Color (standard boat): 
 Hull: Arocoat #340 Gray 
 Deck: Ferro White Supershield 
 Non-skid: CCP #A139 Lt. Gray 
 Boot-top and stack stripes: Arocoat #348 Dark Blue 

Machinery

John Deere 4045AFM85 M2 180hp @ 2400 – 24v start
ZFW220 transmission with 3:96 to 1 reduction gear
Engine instrument panel: Deluxe with instrumentation for oil pressure, water temperature, voltage, RPM, hour meter, with alarms
Engine control levers Morse model #31001-001 Twin S
Control cables – Morse 33C Supreme length to suit
Keel cooler: Fernstrum BN1263B-E1
Alternator:&nbsp;&nbsp;One (1) x Balmar 190 amp 24V with external regulator (see DC system)
Propeller shaft: 2″&nbsp;&nbsp;(5.08cm) A22HS
Taper details: Standard S.A.E. taper
Propeller: 4-bladed bronze – size TBD
Stern tube: FRP
Fiberglass
Stuffing Box: Bronze
Fuel filters:&nbsp;&nbsp;Duplex 75-900 – Racor #900 MA plus engine mounted filter x one (1)
Dry exhaust: 4″ (10.2 cm) diameter stainless steel
Flexible section: Stainless steel ‘wrinkle belly’ as needed
In line cowl muffler
Exhaust runs to head of FRP stack
Drain valve and sump at turn of exhaust to drain off water while vessel is unattended
Flexible exhaust mounts as needed
Heat insulation material: Entire exhaust system wrapped with custom exhaust blanket
Engine cooling system filled with suitable mixture of coolant/antifreeze to ensure coolant does not freeze for winter shipment
Engine room floors: Fiberglass with non-skid – minimal wood structure used within engine room
Engine room finish: Grey molded fiberglass with non-skid finish and insulated with Technitron or equivalent fire proof foiled and leaded foam 2″ (5.08 cm) thick.&nbsp;&nbsp;All exposed insulated surfaces lined with perforated anodized aluminum sheets

Engine room blowers:

Two (2) 8″ axial fans
Two (2) Dayton exhaust blowers
Door from owner’s cabin to engine room is sound insulated with viewing port. White liner polyurethane finish. Teak veneer on stateroom side

Plumbing
Water tank:

Number and capacity: Three (3) tanks totaling 300 gallons (1135.6 liters)
Fiberglass construction using vinylester resin and FDA approved gel coat on inside of tank construction per plan – two poly tanks above
Inspection plates: Appropriately positioned for access
Two sight gauges to monitor water level in upper tanks
Each tank air tested: 4 lbs (1.81 kg) per sq. inch

Fuel tank:

Number and capacity: Two (2) main tanks totaling 1200 gallons (4542.5 liters) with one centerline aluminum ‘day tank’ at 40 gallons (151 Liters) which will gravity feed from main&nbsp;&nbsp;tanks
Fiberglass construction with vinylester resin per plan
Inspection plates appropriately positioned for interior access by average size man.&nbsp;&nbsp;Each internal baffle with a removable panel to allow access to entire interior of both fuel tanks
Fuel system includes an aluminum supply reservoir, which feeds by gravity from both fuel tanks.&nbsp;&nbsp;Top part of supply reservoir holds approximately two (2) gallons (7.5 liters) and is fitted with a sight gauge with a one (1) gallon (3.5&nbsp;&nbsp;liter) range and a 10th gallon (.4 liters) marks for fuel consumption checks (supply lines are turned off and fuel is consumed from reservoir).&nbsp;&nbsp;Bottom part of reservoir approximately 40 gallons (151 liters) fitted with a drain off at the bottom of the reservoir for water purging and with a water sensor – illuminating a light in wheel house if excessive water is present.&nbsp;&nbsp;Reservoir fitted with four draw spigot valves for main, generator, wing engine and spare – mounted at lower level of reservoir, but above water sensing probe.&nbsp;&nbsp;All returns from main, wing and generator plumbed into reservoir
Sight gauges provided for both fuel tanks and are vented into the main vent system for each tank
Each tank air tested to 4 lbs (1.81 kg) per sq. inch
Baffles on 24″ (61 cm) centers
A transfer manifold and Walboro (FRB13-2) fuel pump with timer switch and Racor 900 fuel filter which can transfer fuel from one tank to another and scrub fuel while transferring.&nbsp;&nbsp;Transfer is also used to fill top part of supply reservoir for consumption testing when main fuel tank level drops below the level of the testing part of the reservoir

Fuel pipe and hose:

Supply lines from tanks to supply reservoir are 3/4″ (1.9 cm) I.D. with Aeroquip brand fuel hose and swaged brass fittings
Fuel line from supply reservoir to main engine filter is 3/4″ (1.9 cm) I.D. with Aeroquip brand fuel hose and swaged brass fittings
Fuel lines from supply reservoir to optional generator and wing engine 1/2″ (1.27 cm) I.D. with Aeroquip brand fuel hose and swaged fittings
Vent lines are fuel certified, reinforced hose 3/4″ (1.9 cm) I.D.
Install fuel fills on side decks – as on N40 with vent lines inboard

Water hoses:

Cold water 1/2″ (1.27 cm) diameter Whale tubing system or equivalent with all Whale fittings
Hot water 1/2″ (1.27 cm) diameter Whale tubing with all Whale fittings
Sea water hoses: Trident reinforced rubber certified for marine use and provided with double stainless steel clamps below the water line
Water heater: Seaward #S1100 or Attwood (11 gallon ) (42 liters) 110 volt and heat exchanger operation
Thru hulls:&nbsp;&nbsp;Bronze body, stainless steel balls and Teflon seats
Grounding wire: #6 gauge green wire
Each thru hull to have a clearly visible tag indicating its function
Fresh water pressure pump: #VSD31755-0000 Jabsco Sensor Max – 24v
Plumbing fixtures:
Head sinks: Sea-Land #1620 oval color white x two (2)
Galley sink: double stainless steel Polar # 102110 with 3″ (7.6 cm) drain fittings
Head faucets: Grohe Eurosmart – chrome
Galley faucets: Grohe Alira – RealSteel®
Shower fixtures: Grohe Tempesta – chrome
Fresh water spigot on fore deck – cockpit – engine room

Gray water tank:

Galley sink, head sinks, shower sumps and washing machine drain to 50 gallon (189.3 liters) sump tank.&nbsp;&nbsp;Each drain to have an appropriate water trap to control odors.&nbsp;&nbsp;Sump includes Sealand Tank Watch 4 level indicator and a Sealand T24 waste pump fitted with an Ultra Jr. pump switch and auto/manual control panel.&nbsp;&nbsp;Whale/Henderson #BP0527 hand operated diaphragm bilge pump installed in line with Sealand T24 for manual pumping of gray water tank per design

Bilge pumps:

Electric: Par 34600-00 diaphragm- 24v -10.8 gallons (40.88 liters) per minute with Ultra switch auto switch
Manual: Edson model #638AL operable from main salon
High water bilge pump Rule 3700 – 24v – gallons (14,006 liters) per hour (55S) – mounted in bilge above normal bilge water height including Ultra Sr. pump switch and Ultra bilge alarm

Toilets:

Tecma Silence Plus head in owners stateroom head – 24v
Tecma Silence Plus head in guest stateroom head – 24v
Head fitted with a Par #45510-0000 Y valve allowing sewage to be pumped overboard or into holding tank
Holding tank: Fiberglass
Holding tank pump: Whale hand operated diaphragm
Holding tank fitted with a deck pump out
Sealand Tank Watch 4 monitoring system with tank master – 24v
All hoses throughout boat – Trident brand with CE approval – where practical
Two stage regulator #12301411
Trident ‘pig tail’ hoses x two (2) #1014140120
All necessary pipe fittings and adapters

Interior Finish/Equipment
Galley

Refrigerator: U-lines: One (1) refrigerator U-1224RINT-00B all refrigerator (teak panel) + one (1) refrigerator with icemaker CO1224FINT-00B (teak panel)
Top load freezer: General Electric # FCM5SKWW or equivalent
Countertops – Surell ‘Frost’ FR02 – made by Formica
Flooring: Owner supplied tile
Cabinetry/paneling: Teak with a satin varnish
Miele electric induction cooktop and Miele single electric convection oven
Stove exhaust ss hood
Overhead: Individual padded vinyl panels secured in place with Velcro and easily removable for service
Locker interior finish: Varnished teak
Trash compactor: GE #UCG1680LSS or equivalent 15″ ss (38.1 cm)
Microwave: General Electric #PEM31SFSS ss
Overhead galley locker as shown on plans

Main salon

Floors: teak and spruce
Cabinetry/paneling: Teak with satin varnish
Dinette table: Teak
Furniture: Settees port and starboard as designed with all detail as shown in layout drawing – teak veneer with solid teak trim
Overhead: Individual padded vinyl panel secured in place with 3M industrial Velcro
Locker interior finish: Varnished teak
Cushions with vinyl upholstery
Teak valance over windows

Master cabin

Floors: teak and spruce
Cabinetry/paneling: Teak paneling – satin varnished with teak trim
Mirror on forward bulkhead
Overhead: Individual padded vinyl panels secured in place with 3M industrial Velcro
Locker interior finish: Varnished teak
Foam mattress with cotton mattress ticking

Heads

Floors: Owner supplied tile
Countertop: Surell ‘Frost’ FR02 – made by Formica
Mirrors with satin varnished frames
Shower floor: Molded fiberglass with non-skid finish
Overhead: Individual padded vinyl panels secured in place with Velcro and easily removable for service
Cabinetry/joiner work: Satin varnished teak
Locker interior finish: Varnished teak
Bi-fold shower door in owners head.&nbsp;&nbsp;White aluminum with glass panels
Bi-fold shower door in guest head
Single sliding pocket door into owners head
Owners Head – shower sump pump – Whale Gulper 220&nbsp;&nbsp;– 24v

Forepeak

Painted with gray gel coat
Drain to bilge through a PVC pipe installed during hull lamination
Pilothouse
Floors: teak and spruce
Cabinetry/joiner work satin varnished teak
Countertops: Black Formica
Overhead: Individual padded vinyl panels secured in place with 3M industrial Velcro
Table: Satin varnished teak
Locker interior finish: Varnished teak
Cushions with vinyl upholstery
Chart light: F4 Touch LED Task light with bulkhead base
Teak louvers on tops of console for ventilation of electronics
Chart drawer under settee

Guest cabin

Floors: teak and spruce
Cabinetry/paneling: satin varnished teak
Overhead: Individual padded vinyl panels secured in place with industrial Velcro
Locker interior finish: Varnished teak
Mattress: Foam with vinyl covering
Double berth to port / single berth to stbd
All locker doors have push button style latches
Stateroom doors teak – door hardware – Mobella

LED Lighting

Main overhead lighting throughout: Imtra ‘Hatteras PowerLED’ warm white with wall switches for each designated area (approx. 47 lights)
Bulkhead reading lights: Four (4) Imtra ‘Hobart LED’ – with switch warm white two (2) for guest stateroom and two (2) for salon
Engine room lights: Imtra LED IS60 – three (3) x 24″ (70 cm)&nbsp;&nbsp;(#ILIS60-12/24V)
Lazarette lights: Imtra LED IS15 – two (2) x 10″ (25.4 cm)&nbsp;&nbsp;(#ILIS15-12V)
Exterior lights: Imtra ‘Tacoma 155 LED’ cool white (2 on aft deck)
Navigation lights: Hella NaviLED Pro
Owners cabin reading lights&nbsp;&nbsp;Imtra ‘Venice LED’ chrome warm white with white shades.&nbsp;&nbsp;(2 total)
Courtesy lights: Imtra ‘Yukon LED’ cool white exterior and red interior
Overhead reading lights Imtra ‘Captiva LED’ with switch. Warm white (4 total)
All hand rails shown on drawing included


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Fiberglass

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Other

N51-th

Nordhavn

Euro

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Name	Value
Maker	Nordhavn
Maker website	https://www.nordhavn.com
Model	475
First built hull	2022
Boat type	Power
Category	Pilothouse Boats
Hull type	Other
Hull material	Other

Name	Value
Length overall	14.48 m
Length at waterline	13.03 m
Draft maximum	1.6 m

Name	Value
Engine A
Engine B

Name	Value
Hull Displacement Speed	8.76
Displacement to Length (D/L)	8.76

2022 Nordhavn 475

Boat Overview

Type

Maker

Hull type

Hull Material

Fiberglass

Category

Boat length (LOA)

14.48 m

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Overview

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Specs

Performance & Ratios